|   | (Date of report)                  | January 20, 2011 |
|--------|-----------------------------------|------------------|
|   | (Date of earliest event reported) | January 18, 2011 |

| Delaware                     |   | 1-12202      |   | 93-1120873          |
|------------------------------|--------|--------------|--------|---------------------|
| (State or other jurisdiction |   | (Commission  |   | (IRS Employer       |
| of incorporation)            |   | File Number) |   | Identification No.) |

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| Item 2.02  |   | Results of Operations and Financial Condition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|-----------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|            |   | See discussion below under Item 7.01, Regulation FD Disclosure.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| Item 7.01       |   | Regulation FD Disclosure                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|            |   |  On Jan. 18, 2011, we released our 2011 earnings guidance and increased our 2010 earnings guidance.  On Jan. 19, 2011, we corrected an error in the paragraph on commodity price sensitivities in the Natural Gas Gathering and Processing section of the news release.  A copy of the corrected news release is attached, as Exhibit 99.1, and is incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information disclosed in this Item 7.01, including Exhibit 99.1 hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.  |
| Item 9.01       |   | Financial Statements and Exhibits                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|            |   |  Exhibits                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|            |   | 99.1   News release issued by ONEOK Partners, L.P. dated Jan. 18, 2011, as corrected.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|            |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |

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|   |             |   | ONEOK Partners, L.P.By:  ONEOK Partners GP, L.L.C., General Partner |
|--------|------------------|--------|-------------------------------------------------------------------------------|
|   |             |   |                                                                          |
| Date:  | January 20, 2011 | By:    | /s/ Curtis L. Dinan                                                           |
|   |             |   | Senior Vice President,Chief Financial Officer andTreasurer               |