|   | (Date of report)                  | December 17, 2010 |
|--------|-----------------------------------|-------------------|
|   | (Date of earliest event reported) | December 15, 2010 |

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

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| Item 7.01 |   | Regulation FD Disclosure On Dec. 15, 2010, we announced plans to invest $180 million to $240 million between now and the first half of 2012 for natural gas liquids projects in the Cana-Woodford Shale and Granite Wash plays.  A copy of the 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 December 15, 2010.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |

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|   |              |   | ONEOK Partners, L.P.By:  ONEOK Partners GP, L.L.C., General Partner |
|--------|-------------------|--------|-------------------------------------------------------------------------------|
|   |              |   |                                                                          |
| Date:  | December 17, 2010 | By:    | /s/ Curtis L. Dinan                                                           |
|   |              |   | Senior Vice President,Chief Financial Officerand Treasurer                    |
|   |              |   |                                                                          |