|                                                                                                                                                                                    | **United                  States**                                                                                                              |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    | **Securities                  and Exchange Commission**                                                                                         |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    | **Washington,                  D.C. 20549**                                                                                                     |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    | **Form                  10 QSB**                                                                                                                |
|                                                                                                                                                                                    |                                                                                                                                            |
| (Mark                  One)                                                                                                                                                             |
|                                                                                                                                                                                    |                                                                                                                                            |
| **R**                                                                                                                                                                                   | **QUARTERLY                  REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE                  ACT OF                  1934** |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    | For                  the quarterly period ended June 30, 2007                                                                                   |
|                                                                                                                                                                                    |                                                                                                                                            |
| o                                                                                                                                                                                       | **TRANSITION                  REPORT UNDER SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT                  OF                  1934**      |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    | For                  the transition period from _____ to _____                                                                                  |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    | Commission                  file number 0-52168                                                                                                 |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    | **ATLAS                  AMERICA PUBLIC #15-2006 (B) L.P.**                                                                                     |
|                                                                                                                                                                                    | (Name                  of small business issuer in its charter)                                                                                 |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    |                                                                                                                                            |
|                                                                                                                                                                                    |                                                                                                                                            |
| **Delaware**                                                                                                                                                                            | **20-3208390**                                                                                                                                  |
| (State                  or other jurisdiction ofincorporation                  or organization)                                                                                         | (I.R.S.                  EmployerIdentification                  No.)                                                                           |
|                                                                                                                                                                                    |                                                                                                                                            |
| Westpointe                  Corporate Center One                                                                                                                                        |                                                                                                                                            |
| 1550                  Coraopolis Heights Road, 2nd Floor                                                                                                                                |                                                                                                                                            |
| Moon                  Township, PA                                                                                                                                                      | 15108                                                                                                                                           |
| (Address                  of principal executive offices)                                                                                                                               | (zip                  code)                                                                                                                     |
|                                                                                                                                                                                    |                                                                                                                                            |
| Issuer’s                  telephone number, including area code: **(412)                  262-2830**                                                                              |
|                                                                                                                                                                                    |
| Indicate                  by check mark whether the registrant (1) filed all reports required                  to be                  filed by Section 13 or 15 (d) of the Exchange Act |
| during                  the past 12 months (or for such shorter period that the registrant                  was                  required to file such reports),                        |
| and                  (2) has been subject to such filing requirements for the past 90                  days.                  Yes** ****R**                  No o                  |
|                                                                                                                                                                                    |
| Indicate                  by check mark whether the registrant is a shell company (as defined                  in                  Rule 12b-2 of the Exchange                           |
| Act).Yes                  o                  No **R**                                                                                                                                   |
|                                                                                                                                                                                    |
| Transitional                  Small Business Disclosure Format (check one): Yes o                  No **R**                                                                             |

**ATLAS        AMERICA PUBLIC #15-2006 (B) L.P.**

**(A        Delaware Limited Partnership)**

**INDEX        TO QUARTERLY REPORT**

**ON        FORM 10-QSB**

| **PART                  I.**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   | **FINANCIAL                  INFORMATION**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | **PAGE** |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
| Item                  1:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   | Financial                  Statements                                                                                                                                                        |     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | Balance                  Sheets as of June 30, 2007 and December 31,                  2006                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 3        |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | Statements                  of Net Earnings for the Three Months and Six Months ended June                  30, 2007                  and the Period May 9, 2006 through June 30, 2006                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 4        |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | Statement                  of Partners’ Capital Accounts for the Six Months ended June 30,                  2007                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 5        |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | Statements                  of Cash Flows for the Six Months ended June 30, 2007 and the Period                  May 9,                  2006 through June 30, 2006                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 6        |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | Notes                  to Financial                  Statements                                                                                                                              | 7-13     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
| Item                  2:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   | Management’s                  Discussion and Analysis of Financial Condition or Plan of                  Operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 13-17    |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
| Item                  3:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   | Controls                  and                  Procedures                                                                                                                                    | 17       |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
| **PART                  II.**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   | **OTHER                  INFORMATION**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
| Item                  6:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   | Exhibits                                                                                                                                                                                     | 17       |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
| **SIGNATURES                                                                                                                                                  **     | 18     |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |     |
| **CERTIFICATIONS                                                                                                                                                  ** | 19-22  |

**PART        I**

**ITEM        1.                      FINANCIAL        STATEMENTS**

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**BALANCE        SHEETS**

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | **June                  30,** |        |   | **December                  31,** |   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------------------|-------------|--------|-----------------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | **2007**                      |        |   | **2006**                          |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | **(Unaudited)**               |        |   | **(Audited)**                     |   |
| **ASSETS**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |   |                          |        |   |                              |   |
| Current                  Assets:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |                          |        |   |                              |   |
| Cash                  and cash                  equivalents                                                                                                                           |   | $                             | 2,314,000   |   |                              | $      | 1,305,800 |   |
| Accounts                  receivable-affiliate                                                                                                                                        |   |                          | 12,622,500  |   |                              |   | 33,834,200 |   |
| Short-term                  hedge receivable due from                  affiliate                                                                                                      |   |                          | 3,158,200   |   |                              |   | 2,139,100 |   |
| Total                  current                  assets                                                                                                                                                                   |   |                          | 18,094,700  |   |                              |   | 37,279,100 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                          |        |   |                              |   |   |   |
| Oil                  and gas properties,                  net                                                                                                                         |   |                          | 166,847,700 |   |                              |   | 143,969,600 |   |
| Long-term                  hedge receivable due from                  affiliate                                                                                                       |   |                          | 1,664,800   |   |                              |   | 1,846,700 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | $                             | 186,607,200 |   |                              | $      | 183,095,400 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                          |        |   |                              |   |   |   |
| **LIABILITIES                  AND PARTNERS’ CAPITAL**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |                          |        |   |                              |   |   |   |
| Current                  liabilities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |   |                          |        |   |                              |   |   |   |
| Accrued                  liabilities                                                                                                                                                  |   | $                             | 21,600      |   |                              | $      | 18,000 |   |
| Short-term                  hedge liability due to                  affiliate                                                                                                         |   |                          | 317,400     |   |                              |   | 13,300 |   |
| Total                  current                  liabilities                                                                                                                                                                        |   |                          | 339,000     |   |                              |   | 31,300 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                          |        |   |                              |   |   |   |
| Asset                  retirement                  obligation                                                                                                                         |   |                          | 4,272,200   |   |                              |   | 3,653,400 |   |
| Long-term                  hedge liability due to                  affiliate                                                                                                          |   |                          | 3,710,200   |   |                              |   | 297,100 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |                          |        |   |                              |   |   |   |
| Partners’                  capital:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |                          |        |   |                              |   |   |   |
| Managing                  general                  partner                                                                                                                            |   |                          | 34,295,000  |   |                              |   | 27,715,500 |   |
| Investor                  partners (14,772.60                  units)                                                                                                                 |   |                          | 143,195,400 |   |                              |   | 147,722,700 |   |
| Accumulated                  other comprehensive                  income                                                                                                              |   |                          | 795,400     |   |                              |   | 3,675,400 |   |
| Total                  partners'                  capital                                                                                                                                                                               |   |                          | 178,285,800 |   |                              |   | 179,113,600 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | $                             | 186,607,200 |   |                              | $      | 183,095,400 |   |

**ATLAS        AMERICA PUBLIC #15-2006 (B) L.P.**

**STATEMENTS        OF NET EARNINGS**

**For        the period May 9, 2006 (date of formation)**

**through        June 30, 2006 and for three and six months ended June 30,        2007**

**(Unaudited)**

|                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   | **June                  30,** |       |   | **June                  30,** |   |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------------------|------------|--------|-------------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   | **2007**                      |       |   | **2006**                      |   |   | **2007** |   |   | **2006** |   |
| **REVENUES:**                                                                                                                                                                                                                                                                                                                                                                                                                                          |   |                          |       |   |                          |   |   |   |   |   |   |   |
| Natural                  gas and                  oil                                                                       |   | $                             | 10,641,400 |   |                          | $      | 31,300 |   |   | $ | 17,659,900 |   |   | $ | 31,300 |   |
| Interest                  income                                                                                            |   |                          | 15,700     |   |                          |   | — |   |   |   | 29,400 |   |   |   | — |   |
| Total                  revenues                                                                                                                                     |   |                          | 10,657,100 |   |                          |   | 31,300 |   |   |   | 17,689,300 |   |   |   | 31,300 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |                          |       |   |                          |   |   |   |   |   |   |   |   |   |   |   |
| **COSTS                  AND EXPENSES:**                                                                                                                                                                                                                                                                                                                                                                                                               |   |                          |       |   |                          |   |   |   |   |   |   |   |   |   |   |   |
| Production                                                                                                                  |   |                          | 2,026,100  |   |                          |   | 2,700 |   |   |   | 3,276,400 |   |   |   | 2,700 |   |
| Depletion                                                                                                                   |   |                          | 5,192,600  |   |                          |   | 13,500 |   |   |   | 9,472,700 |   |   |   | 13,500 |   |
| Accretion                  of asset retirement obligation                                                                                                                                                                                                                                                                                                                                                                                              |   |                          | 57,100     |   |                          |   | 900 |   |   |   | 118,500 |   |   |   | 900 |   |
| General                  and                  administrative                                                                |   |                          | 131,500    |   |                          |   | 800 |   |   |   | 225,600 |   |   |   | 800 |   |
| Total                  expenses                                                                                                                                     |   |                          | 7,407,300  |   |                          |   | 17,900 |   |   |   | 13,093,200 |   |   |   | 17,900 |   |
| **Net                  earnings                                                               **                            |   | $                             | 3,249,800  |   |                          | $      | 13,400 |   |   | $ | 4,596,100 |   |   | $ | 13,400 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                   |   |                          |       |   |                          |   |   |   |   |   |   |   |   |   |   |   |
| **Allocation                  of net earnings:**                                                                                                                                                                                                                                                                                                                                                                                                       |   |                          |       |   |                          |   |   |   |   |   |   |   |   |   |   |   |
| Managing                  general                  partner                                                                  |   | $                             | 2,104,000  |   |                          | $      | 7,600 |   |   | $ | 3,401,900 |   |   | $ | 7,600 |   |
| Investor                  partners                                                                                          |   | $                             | 1,145,800  |   |                          | $      | 5,800 |   |   | $ | 1,194,200 |   |   | $ | 5,800 |   |
| Net                  earnings per investor partnership unit                                                                                                                                                                                                                                                                                                                                                                                            |   | $                             | 78         |   |                          | $      | 1 |   |   | $ | 81 |   |   | $ | 1 |   |

**ATLAS        AMERICA PUBLIC #15-2006 (B) L.P.**

**STATEMENT        OF PARTNERS’ CAPITAL ACCOUNTS**

**FOR        THE SIX MONTHS ENDED JUNE 30, 2007**

**(Unaudited)**

|                                                                                                                                                                                                                                                                                                                                                                                                                                |   |         |       |   |         |   |        | **Accumulated**                    |   |   |       |   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------|------------|--------|--------------|--------|-------------|------------------------------------|--------|--------|------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   | **Managing** |       |   |         |   |        | **Other**                          |   |   |       |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   | **General**  |       |   | **Investor** |   |        | **Comprehensive**                  |   |   |       |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   | **Partner**  |       |   | **Partners** |   |        | **Income                  (Loss)** |   |   | **Total**  |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   |         |       |   |         |   |        |                               |   |   |       |   |
| **Balance                  at January 1, 2007**                                                                                                                                                                                                                                                                                                                                                                                     |   | $            | 27,715,500 |   |         | $      | 147,722,700 |                               |   | $      | 3,675,400  |   |   | $ | 179,113,600 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   |         |       |   |         |   |        |                               |   |   |       |   |   |   |   |   |
| Participation                  in revenues and expenses:                                                                                                                                                                                                                                                                                                                                                                            |   |         |       |   |         |   |        |                               |   |   |       |   |   |   |   |   |
| Net                  production                  revenues                                                                                        |   |         | 4,922,000  |   |         |   | 9,461,500   |                               |   |   | —    |   |   |   | 14,383,500 |   |
| Interest                  income                                                                                                                 |   |         | 10,100     |   |         |   | 19,300      |                               |   |   | —    |   |   |   | 29,400 |   |
| Depletion                                                                                                                                        |   |         | (1,412,400 | )      |         |   | (8,060,300  | )                                  |   |   | —    |   |   |   | (9,472,700 | ) |
| General                  and                  administrative                                                                                     |   |         | (77,200    | )      |         |   | (148,400    | )                                  |   |   | —    |   |   |   | (225,600 | ) |
| Accretion                  of asset retirement obligation                                                                                                                                                                                                                                                                                                                                                                           |   |         | (40,600    | )      |         |   | (77,900     | )                                  |   |   | —    |   |   |   | (118,500 | ) |
| Net                  earnings                                                                                                                                                  |   |         | 3,401,900  |   |         |   | 1,194,200   |                               |   |   | —    |   |   |   | 4,596,100 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   |         |       |   |         |   |        |                               |   |   |       |   |   |   |   |   |
| Other                  comprehensive                  loss                                                              |   |         | —    |   |         |   | —     |                               |   |   | (2,880,000 | )      |   |   | (2,880,000 | ) |
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   |         |       |   |         |   |        |                               |   |   |       |   |   |   |   |   |
| MGP                  adjusted asset contributions                                                                                                                                                                                                                                                                                                                                                                                   |   |         | 6,154,100  |   |         |   | —     |                               |   |   | —    |   |   |   | 6,154,100 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   |         |       |   |         |   |        |                               |   |   |       |   |   |   |   |   |
| Distributions                  to                  partners                                                             |   |         | (2,976,500 | )      |         |   | (5,721,500  | )                                  |   |   | —    |   |   |   | (8,698,000 | ) |
|                                                                                                                                                                                                                                                                                                                                                                                                                                |   |         |       |   |         |   |        |                               |   |   |       |   |   |   |   |   |
| **Balance                  at June 30, 2007**                                                                                                                                                                                                                                                                                                                                                                                       |   | $            | 34,295,000 |   |         | $      | 143,195,400 |                               |   | $      | 795,400    |   |   | $ | 178,285,800 |   |

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**STATEMENTS        OF CASH FLOWS**

**For        the period May 9, 2006 (date of formation)**

**through        June 30, 2006 and for six months ended June 30, 2007**

**(Unaudited)**

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   | **2007** |       |   | **2006** |   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|----------|------------|--------|----------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |
| **Cash                    flows from operating activities:**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |   |     |       |   |     |   |
| Net                    earnings                                                                                                                                                                 |   | $        | 4,596,100  |   |     | $      | 13,400 |   |
| Adjustments                    to reconcile net earnings to net cash provided by operating                    activities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |   |     |       |   |     |   |   |   |
| Depletion                                                                                                                                                                                                                |   |     | 9,472,700  |   |     |   | 13,500 |   |
| Accretion                    of asset retirement                    obligation                                                                                                                                           |   |     | 118,500    |   |     |   | 900 |   |
| (Increase)                    decrease in accounts receivable –                    affiliate                                                                                                                       |   |     | (4,484,700 | )      |     |   | 18,404,400 |   |
| Increase                    in accrued                    liabilities                                                                                                                                                    |   |     | 3,600      |   |     |   | — |   |
| Net                    cash provided by operating                    activities                                                                                                                 |   |     | 9,706,200  |   |     |   | 18,432,200 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |   |   |
| **Cash                    flows from investing activities:**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |   |     |       |   |     |   |   |   |
| Oil                    and gas well drilling contracts paid to                    MGP                                                                                                           |   |     | —    |   |     |   | (18,432,200 | ) |
| Net                    cash used in investing                    activities                                                                                                                     |   |     | —    |   |     |   | (18,432,200 | ) |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |   |   |
| **Cash                    flows from financing activities:**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |   |     |       |   |     |   |   |   |
| Distributions                    to                    partners                                                                                                                                 |   |     | (8,698,000 | )      |     |   | — |   |
| Net                    cash used in financing                    activities                                                                                                                     |   |     | (8,698,000 | )      |     |   | — |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |   |   |
| Net                    increase in cash and cash                    equivalents                                                                                                                 |   |     | 1,008,200  |   |     |   | — |   |
| Cash                    and cash equivalents at beginning of                    period                                                                                                          |   |     | 1,305,800  |   |     |   | — |   |
| Cash                    and cash equivalents at end of                    period                                                                                                                |   | $        | 2,314,000  |   |     | $      | — |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |   |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |   |   |
| **Supplemental                    schedule of non-cash investing and financing                    activities:**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   |     |       |   |     |   |   |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |   |   |
| Assets                    contributed by managing general partner:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |     |       |   |     |   |   |   |
| Tangible                    equipment included in oil and gas                    properties                                                                                                                              |   | $        | 5,629,000  |   |     | $      | 2,657,300 |   |
| Lease                    costs included in oil and gas                    properties                                                                                                                                     |   |     | 525,100    |   |     |   | 977,100 |   |
| Syndication                    and offering                    costs                                                                                                                                                     |   |     | —    |   |     |   | 13,710,200 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   | $        | 6,154,100  |   |     | $      | 17,344,600 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |   |   |
| Asset                    retirement                    obligation                                                                                                                                                        |   | $        | 500,300    |   |     | $      | 31,600 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |   |     |       |   |     |   |   |   |
| Additional                    asset contributions:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |     |       |   |     |   |   |   |
| Tangible                    equipment and intangible                    drilling                                                                                                                                         |   | $        | 25,696,400 |   |     | $      | 114,251,700 |   |

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**NOTES        TO FINANCIAL STATEMENTS**

**June        30, 2007**

**(Unaudited)**

**NOTE        1 - DESCRIPTION        OF BUSINESS**

**NOTE        2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES**

**Use        of Estimates**

**Receivables**

**Revenue        Recognition**

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**NOTES        TO FINANCIAL STATEMENTS (Continued)**

**June        30, 2007**

**(Unaudited)**

**NOTE        2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)**

**Asset        Retirement Obligation**

*Accounting for Asset Retirement        Obligations*
*, Accounting for Conditional Asset Retirement        Obligations.*

|                                                                                                                                                                                                                                                                                                                                                                                                    |   |                               |      |   | **Period                  Ended**  |   |    |                               |   |   | **Period                  Ended**  |   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|------------------------------------|-----------|--------|------------------------------------|--------|---------|------------------------------------|--------|--------|------------------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                    |   | **Three                  Months**  |      |   | **May                  9, 2006**   |   |    | **Six                  Months**    |   |   | **May                  9, 2006**   |   |
|                                                                                                                                                                                                                                                                                                                                                                                                    |   | **Ended**                          |      |   | **Through**                        |   |    | **Ended**                          |   |   | **Through**                        |   |
|                                                                                                                                                                                                                                                                                                                                                                                                    |   | **June                  30, 2007** |      |   | **June                  30, 2006** |   |    | **June                  30, 2007** |   |   | **June                  30, 2006** |   |
|                                                                                                                                                                                                                                                                                                                                                                                                    |   |                               |      |   |                               |   |    |                               |   |   |                               |   |
| Asset                  retirement obligation at beginning of period                                                                                                                                                                                                                                                                                                                                     |   | $                                  | 4,362,600 |   |                               | $      | — |                               |   | $      | 3,653,400                          |   |   | $ | — |   |
| Liabilities                  incurred from drilling wells                                                                                                                                                                                                                                                                                                                                               |   |                               | (147,500  | )      |                               |   | 31,600  |                               |   |   | 500,300                            |   |   |   | 31,600 |   |
| Accretion                  expense                                                                                   |   |                               | 57,100    |   |                               |   | 900     |                               |   |   | 118,500                            |   |   |   | 900 |   |
| Asset                  retirement obligation at end of period                                                        |   | $                                  | 4,272,200 |   |                               | $      | 32,500  |                               |   | $      | 4,272,200                          |   |   | $ | 32,500 |   |

**Property        and Equipment**

| Oil                  and gas properties consist of the following at the dates                  indicated:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   | **June                  30,** |        |   | **December                  31,** |   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------------------|-------------|--------|-----------------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   | **2007**                      |        |   | **2006**                          |   |
| Mineral                  interest in properties:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |                          |        |   |                              |   |
| Proved                  properties                                                                                                                                              |   | $                             | 4,144,500   |   |                              | $      | 3,619,400 |   |
| Wells                  and related                  equipment                                                                                                                   |   |                          | 175,565,300 |   |                              |   | 143,739,600 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   |                          | 179,709,800 |   |                              |   | 147,359,000 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   |                          |        |   |                              |   |   |   |
| Accumulated                  depletion of oil and gas                  properties                                                                                               |   |                          | (12,862,100 | )      |                              |   | (3,389,400 | ) |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   | $                             | 166,847,700 |   |                              | $      | 143,969,600 |   |

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**NOTES        TO FINANCIAL STATEMENTS (Continued)**

**June        30, 2007**

**(Unaudited)**

**NOTE        2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)**

**Recently        Issued Financial Accounting Standards**

*Offsetting of Amounts Related to Certain Contracts*

*The Fair Value Option for Financial        Assets and Financial Liabilities.  *

*Fair Value        Measurement.  *

**NOTE        3 -        TRANSACTIONS WITH ATLAS RESOURCES, LLC AND ITS AFFILIATES**

| ·   | Administrative                  costs which are included in general and administrative expenses                  in the                  Partnership’s Statements of Net Earnings are payable at $75 per well per                  month.  Administrative costs incurred for the three months and                  six months ended June 30, 2007 were $92,000 and $167,200,                  respectively.  Administrative costs incurred for the period                  ended June 30, 2006 were $400. |
|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Monthly                  well supervision fees which are included in production expenses                  in the                  Partnership’s Statements of Net Earnings are currently payable at $285 per                  well per month for operating and maintaining the wells.  Well                  supervision fees incurred for the three months and six months ended                  June                  30, 2007 were $349,800 and $635,500, respectively.  Well                  supervision fees incurred for the period ended June 30, 2006 were                  $1,600. |
|--------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Transportation                  fees which are included in production expenses in the Partnership’s                  Statements of Net Earnings are payable at rates ranging from $.29-$.35                  per                  one thousand cubic feet ("Mcf") to 13% of the natural gas sales                  price.  Transportation fees incurred for the three months and                  six months ended June 30, 2007 were $1,358,500 and $2,141,500,                  respectively.  Transportation fees incurred for the period ended                  June 30, 2006 were $1,100. |
|--------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**NOTES        TO FINANCIAL STATEMENTS (Continued)**

**June        30, 2007**

**(Unaudited)**

**NOTE        3 -        TRANSACTIONS WITH ATLAS RESOURCES, LLC AND ITS AFFILIATES        (Continued)**

| ·   | Adjusted                  asset contributions from the MGP which are reported in the Partnership's                  Statements of Cash Flows as a non-cash activity for the six months                  ended                  June 30, 2007 and the period ended June 30, 2006 were $6,154,100                  and                  $3,634,400, respectively. |
|--------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | As                  of June 30, 2007, the Partnership has funded $147,513,100 to the                  MGP for                  well drilling contracts of which $143,009,400 has been spent to                  date on                  well drilling costs and the remaining balance of $4,503,700 is                  shown as                  part of Accounts receivable-affiliate, due from the MGP, on the                  Partnership's Balance Sheet. |
|--------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Subordination        by Managing General Partner**

**NOTE        4 – COMPREHENSIVE INCOME**

|                                                                                                                                                                                                                                                                                                                                                                            |   |                               |      |   | **Period                  Ended**  |   |    |                               |   |   | **Period                  Ended**  |   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|------------------------------------|-----------|--------|------------------------------------|--------|---------|------------------------------------|--------|--------|------------------------------------|--------|
|                                                                                                                                                                                                                                                                                                                                                                            |   | **Three                  Months**  |      |   | **May                  9, 2006**   |   |    | **Six                  Months**    |   |   | **May                  9, 2006**   |   |
|                                                                                                                                                                                                                                                                                                                                                                            |   | **Ended**                          |      |   | **Through**                        |   |    | **Ended**                          |   |   | **Through**                        |   |
|                                                                                                                                                                                                                                                                                                                                                                            |   | **June                  30, 2007** |      |   | **June                  30, 2006** |   |    | **June                  30, 2007** |   |   | **June                  30, 2006** |   |
|                                                                                                                                                                                                                                                                                                                                                                            |   |                               |      |   |                               |   |    |                               |   |   |                               |   |
| Net                  earnings                                                                |   | $                                  | 3,249,800 |   |                               | $      | 13,400  |                               |   | $      | 4,596,100                          |   |   | $ | 13,400 |   |
| Other                  comprehensive (loss) income:                                                                                                                                                                                                                                                                                                                             |   |                               |      |   |                               |   |    |                               |   |   |                               |   |   |   |   |   |
| Unrealized                  holding gain (loss) on hedging contracts                                                                                                                                                                                                                                                                                                            |   |                               | 1,636,700 |   |                               |   | — |                               |   |   | (1,204,200                         | )      |   |   | — |   |
| Less:                  reclassification adjustment for gains realized in net                  earnings                                                                                                                                                                                                                                                                          |   |                               | (946,900  | )      |                               |   | — |                               |   |   | (1,675,800                         | )      |   |   | — |   |
|                                                                                                                                                                                                                                                                                                                                                                            |   |                               | 689,800   |   |                               |   | — |                               |   |   | (2,880,000                         | )      |   |   | — |   |
| Comprehensive                  income                                                        |   | $                                  | 3,939,600 |   |                               | $      | 13,400  |                               |   | $      | 1,716,100                          |   |   | $ | 13,400 |   |

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**NOTES        TO FINANCIAL STATEMENTS (Continued)**

**June        30, 2007**

**(Unaudited)**

**NOTE        5 – DERIVATIVE INSTRUMENTS**

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**NOTES        TO FINANCIAL STATEMENTS (Continued)**

**June        30, 2007**

**(Unaudited)**

**NOTE        5 – DERIVATIVE INSTRUMENTS (Continued)**

| **Fixed                  Price Swaps** |                               |   |                             |      |   |                             |                             |   |                            |       |
|----------------------------------------|------------------------------------|--------|----------------------------------|-----------|--------|----------------------------------|----------------------------------|--------|---------------------------------|------------|
|                                   |                               |   |                             |      |   |                             |                             |   | **Fair                  Value** |       |
|                                   | **Twelve                  Month**  |   | **Volumes**                      |      |   | **Average**                      |                             |   | **Asset**                       |       |
|                                   | **Period                  Ending** |   | **(per                  MMBTU)** |      |   | **Fixed                  Price** |                             |   | **(Liability)**                 |       |
|                                   | **June                  30,**      |   | ** **                       | **(1)**   |   |                             | **(per                  MMBTU)** |   |                            | ** ** | **(2)** |   |
|                                   |                               |   |                             |      |   |                             |                             |   |                            |       |   |   |
|                                   | 2008                               |   |                             | 3,376,700 |   |                             | $                                | 8.682  |                            |       | $ | 2,782,000 |   |
|                                   | 2009                               |   |                             | 3,302,200 |   |                             | $                                | 8.533  |                            |       |   | (20,100 | ) |
|                                   | 2010                               |   |                             | 2,557,300 |   |                             | $                                | 8.053  |                            |       |   | (786,900 | ) |
|                                   | 2011                               |   |                             | 1,427,600 |   |                             | $                                | 7.524  |                            |       |   | (781,900 | ) |
|                                   | 2012                               |   |                             | 496,600   |   |                             | $                                | 7.365  |                            |       |   | (197,200 | ) |
|                                   |                               |   |                             |      |   |                             |                             |   |                            |       | $ | 995,900 |   |

| **Costless                  Collars** |                               |                            |   |                             |    |   |                                 |                             |   |                            |       |
|---------------------------------------|------------------------------------|---------------------------------|--------|----------------------------------|---------|--------|--------------------------------------|----------------------------------|--------|---------------------------------|------------|
|                                  |                               |                            |   |                             |    |   |                                 |                             |   | **Fair                  Value** |       |
| **Company**                           | **Twelve                  Month**  |                            |   | **Volumes**                      |    |   | **Average**                          |                             |   | **Asset**                       |       |
|                                  | **Period                  Ending** | **Option**                      |   | **(per                  MMBTU)** |    |   | **Floor                  & Cap** |                             |   | **(Liability)**                 |       |
|                                  | **June                  30,**      | **Type**                        |   | ** **                       | **(1)** |   |                                 | **(per                  MMBTU)** |   |                            | ** ** | **(2)** |   |
|                                  |                               |                            |   |                             |    |   |                                 |                             |   |                            |       |   |   |
|                                  | 2008                               | Puts                  purchased |   |                             | 186,200 |   |                                 | $                                | 7.500  |                            |       | $ | 79,400 |   |
|                                  | 2008                               | Calls                  sold     |   |                             | 186,200 |   |                                 | $                                | 8.600  |                            |       |   | — |   |
|                                  | 2008                               | Puts                  purchased |   |                             | 161,400 |   |                                 | $                                | 7.500  |                            |       |   | — |   |
|                                  | 2008                               | Calls                  sold     |   |                             | 161,400 |   |                                 | $                                | 9.400  |                            |       |   | (20,600 | ) |
|                                  | 2009                               | Puts                  purchased |   |                             | 161,400 |   |                                 | $                                | 7.500  |                            |       |   | — |   |
|                                  | 2009                               | Calls                  sold     |   |                             | 161,400 |   |                                 | $                                | 9.400  |                            |       |   | (23,000 | ) |
|                                  | 2010                               | Puts                  purchased |   |                             | 297,900 |   |                                 | $                                | 7.750  |                            |       |   | — |   |
|                                  | 2010                               | Calls                  sold     |   |                             | 297,900 |   |                                 | $                                | 8.750  |                            |       |   | (76,500 | ) |
|                                  | 2011                               | Puts                  purchased |   |                             | 297,900 |   |                                 | $                                | 7.750  |                            |       |   | 400 |   |
|                                  | 2011                               | Calls                  sold     |   |                             | 297,900 |   |                                 | $                                | 8.750  |                            |       |   | — |   |
|                                  | 2011                               | Puts                  purchased |   |                             | 744,900 |   |                                 | $                                | 7.500  |                            |       |   | — |   |
|                                  | 2011                               | Calls                  sold     |   |                             | 744,900 |   |                                 | $                                | 8.450  |                            |       |   | (176,900 | ) |
|                                  | 2012                               | Puts                  purchased |   |                             | 744,900 |   |                                 | $                                | 7.500  |                            |       |   | 16,700 |   |
|                                  | 2012                               | Calls                  sold     |   |                             | 744,900 |   |                                 | $                                | 8.450  |                            |       |   | — |   |
|                                  |                               |                            |   |                             |    |   |                                 |                             |   |                            |       | $ | (200,500 | ) |
|                                  |                               |                            |   |                             |    |   |                                 |                             |   |                            |       |   |   |   |
|                                  |                               |                            |   |                             |    |   |                                 | Net                  Asset       |   |                            | $          | 795,400 |   |

| (1)   | MMBTU                  represents million British Thermal                  Units. |
|-----------------|-----------------------------------------------------------------------------------|

| (2)   | Fair                  value based on forward NYMEX natural gas                  prices. |
|-----------------|-----------------------------------------------------------------------------------------|

**ATLAS        AMERICA PUBLIC #15-2006(B) L.P.**

**NOTES        TO FINANCIAL STATEMENTS (Continued)**

**June        30, 2007**

**(Unaudited)**

**NOTE        5 – DERIVATIVE INSTRUMENTS (Continued)**

|                                                                                                                                                                                                                                                                                                            |   | **June                  30, 2007** |       |   | **December                  31, 2006** |   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|------------------------------------|------------|--------|----------------------------------------|--------|
|                                                                                                                                                                                                                                                                                                            |   | **Book                  Value**    |       |   | **Fair                  Value**        |   |   | **Book                  Value** |   |   | **Fair                  Value** |   |
| Assets                                                                                                                                                                                                                                                                                                          |   |                               |       |   |                                   |   |   |   |   |   |   |   |
| Derivative                  instruments                                             |   | $                                  | 4,823,000  |   |                                   | $      | 4,823,000 |   |   | $ | 3,985,800 |   |   | $ | 3,985,800 |   |
|                                                                                                                                                                                                                                                                                                            |   | $                                  | 4,823,000  |   |                                   | $      | 4,823,000 |   |   | $ | 3,985,800 |   |   | $ | 3,985,800 |   |
| Liabilities                                                                                                                                                                                                                                                                                                     |   |                               |       |   |                                   |   |   |   |   |   |   |   |   |   |   |   |
| Derivative                  instruments                                             |   | $                                  | (4,027,600 | )      |                                   | $      | (4,027,600 | ) |   | $ | (310,400 | ) |   | $ | (310,400 | ) |
|                                                                                                                                                                                                                                                                                                            |   | $                                  | 795,400    |   |                                   | $      | 795,400 |   |   | $ | 3,675,400 |   |   | $ | 3,675,400 |   |

**ITEM        2.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL        CONDITION OR PLAN OF OPERATIONS (UNAUDITED)**

**Forward-Looking        Statements**

*The        matters discussed within this report include forward-looking statements.        These        statements may be identified by the use of forward-looking terminology such        as“anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,”“may,” “might,” “plan,” “potential,” “predict,” “should,” or “will,” or the        negative thereof or other variations thereon or comparable terminology. In        particular, statements about our expectations, beliefs, plans, objectives,        assumptions or future events or performance contained in this report are        forward-looking statements. We have based these forward-looking statements        on        our current expectations, assumptions, estimates and projections. While we        believe these expectations, assumptions, estimates and projections are        reasonable, such forward-looking statements are only predictions and involve        known and unknown risks and uncertainties, many of which are beyond our control.        These and other important factors may cause our actual results, performance        or        achievements to differ materially from any future results, performance or        achievements expressed or implied by these forward-looking        statements.*

**General**

**Results        of Operations**

|                                                 |   |                               |   |   | **Period                  Ended**  |   |    |                               |   |   | **Period                  Ended**  |   |
|------------------------------------------------------|--------|------------------------------------|--------|--------|------------------------------------|--------|---------|------------------------------------|--------|--------|------------------------------------|--------|
|                                                 |   | **Three                  Months**  |   |   | **May                  9, 2006**   |   |    | **Six                  Months**    |   |   | **May                  9, 2006**   |   |
|                                                 |   | **Ended**                          |   |   | **Through**                        |   |    | **Ended**                          |   |   | **Through**                        |   |
|                                                 |   | **June                  30, 2007** |   |   | **June                  30, 2006** |   |    | **June                  30, 2007** |   |   | **June                  30, 2006** |   |
|                                                 |   |                               |   |   |                               |   |    |                               |   |   |                               |   |
| Production                  revenues (in thousands): |   |                               |   |   |                               |   |    |                               |   |   |                               |   |
| Gas                                                  |   | $                                  | 10,522 |   |                               | $      | 31      |                               |   | $      | 17,476                             |   |   | $ | 31 |   |
| Oil                                                  |   | $                                  | 119    |   |                               | $      | — |                               |   | $      | 184                                |   |   | $ | — |   |
| Total                                                |   | $                                  | 10,641 |   |                               | $      | 31      |                               |   | $      | 17,660                             |   |   | $ | 31 |   |
|                                                 |   |                               |   |   |                               |   |    |                               |   |   |                               |   |   |   |   |   |
| Production                  volumes:                 |   |                               |   |   |                               |   |    |                               |   |   |                               |   |   |   |   |   |
| Gas                  (mcf/day) (2)                   |   |                               | 12,824 |   |                               |   | 78      |                               |   |   | 10,905                             |   |   |   | 78 |   |
| Oil                  (bbls/day) (2)                  |   |                               | 23     |   |                               |   | — |                               |   |   | 18                                 |   |   |   | — |   |
| Total                  (mcfe/day) (2)                |   |                               | 12,962 |   |                               |   | 78      |                               |   |   | 11,013                             |   |   |   | 78 |   |
|                                                 |   |                               |   |   |                               |   |    |                               |   |   |                               |   |   |   |   |   |
| Average                  sales prices:               |   |                               |   |   |                               |   |    |                               |   |   |                               |   |   |   |   |   |
| Gas                  (per mcf) (1) (2)               |   | $                                  | 9.02   |   |                               | $      | 7.89    |                               |   | $      | 8.85                               |   |   | $ | 7.89 |   |
| Oil                  (per bbl) (2)                   |   | $                                  | 57.99  |   |                               | $      | — |                               |   | $      | 56.46                              |   |   | $ | — |   |
|                                                 |   |                               |   |   |                               |   |    |                               |   |   |                               |   |   |   |   |   |
| Average                  production costs:           |   |                               |   |   |                               |   |    |                               |   |   |                               |   |   |   |   |   |
| As                  a percent of sales               |   |                               | 19     | %      |                               |   | 9       | %                                  |   |   | 19                                 | %      |   |   | 9 | % |
| Per                  mcfe (2)                        |   | $                                  | 1.72   |   |                               | $      | .68     |                               |   | $      | 1.64                               |   |   | $ | .68 |   |
|                                                 |   |                               |   |   |                               |   |    |                               |   |   |                               |   |   |   |   |   |
| Depletion                  per mcfe                  |   | $                                  | 4.40   |   |                               | $      | 3.40    |                               |   | $      | 4.75                               |   |   | $ | 3.40 |   |

| (1)   | The                  average sales price per mcf before the effects of hedging was $8.21                  and                  $7.89 for the three months ended June 30, 2007 and the period ended                  June                  30, 2006, respectively; and $8.00 and $7.89 for the six months                  ended June                  30, 2007 and the period ended June 30, 2006,                  respectively. |
|-----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (2)   | “Mcf”                  means thousand cubic feet, “mcfe” means thousand cubic feet equivalent and                  “bbls” means barrels.  Bbls are converted to mcfe using the                  ratio of six mcfs to one bbl. |
|-----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Natural        Gas Revenues**

**Oil        Revenues**

**Expenses.  **

**Liquidity        and Capital Resources**

**Critical        Accounting Policies**

**Subordination        by Managing General Partner**

**Recently        Issued Financial Accounting Standards**

*Offsetting        of Amounts Related to Certain Contracts,*

*The Fair Value Option for Financial Assets and Financial        Liabilities*

*Fair Value *
*Measurement*

**ITEM        3.  CONTROLS AND PROCEDURES**

**Evaluation        of Disclosure Controls and Procedures**

**PART        II.                      OTHER        INFORMATION**

**ITEM        6.  Exhibits**

**EXHIBIT        INDEX**

| **Exhibit                  No.** |   | **Description**                                                                                                                                                           |
|----------------------------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                             |   |                                                                                                                                                                      |
| 31.1                             |   | Certification                  Pursuant to Rule 13a-14/15(d)-14                                                                                                           |
| 31.2                             |   | Certification                  Pursuant to Rule 13a-14/15(d)-14                                                                                                           |
| 32.1                             |   | Certification                  Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section                  906 of                  the Sarbanes-Oxley Act of 2002 |
| 32.2                             |   | Certification                  Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section                  906 of                  the Sarbanes-Oxley Act of 2002 |

**SIGNATURES**

| Pursuant                  to the requirements of the Securities of the Exchange Act of 1934,                  the                  registrant has duly caused this report to be signed on its behalf                  by the                  undersigned, thereunto duly authorized. |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                                                                                                  |
| Atlas                  America Public #15-2006 (B) L.P.                                                                                                                                                                                                                               |
|                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                  |   | Atlas                  Resources, LLC, Managing General Partner |
|                                                                                                                                                                                                                                                                                  |   |   |
| Date:  August                  14, 2007                                                                                                                                                                                                                                     |   | By:/s/                  Freddie M. Kotek |
|                                                                                                                                                                                                                                                                                  |   | Freddie                  M. Kotek, Chairman of the Board of Directors, Chief Executive                  Officer |
|                                                                                                                                                                                                                                                                                  |   | and                  President |
|                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                  |   |   |
| In                  accordance with the Exchange Act, this report has been signed by                  the                  following persons on behalf of the registrant and in the capacities                  and on                  the dates indicated.                          |
|                                                                                                                                                                                                                                                                                  |
|                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                  |   |   |
| Date:  August                  14, 2007                                                                                                                                                                                                                                     |   | By:/s/                  Freddie M. Kotek |
|                                                                                                                                                                                                                                                                                  |   | Freddie                  M. Kotek, Chairman of the Board of Directors, Chief                  Executive |
|                                                                                                                                                                                                                                                                                  |   | Officer                  and President |
|                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                  |   |   |
| Date:  August                  14, 2007                                                                                                                                                                                                                                     |   | By:/s/                  Matthew A. Jones |
|                                                                                                                                                                                                                                                                                  |   | Matthew                  A. Jones, Chief Financial Officer |
|                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                  |   |   |
| Date:  August                  14, 2007                                                                                                                                                                                                                                     |   | By:/s/                  Nancy J. McGurk |
|                                                                                                                                                                                                                                                                                  |   | Nancy                  J. McGurk, Vice President, Chief Accounting Officer |
|                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                  |   |   |
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