|   | (Date of report)                  | February 6, 2012 |
|--------|-----------------------------------|------------------|
|   | (Date of earliest event reported) | February 2, 2012 |

| 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 February 2, 2012, we announced we will present at the Credit Suisse Energy Summit in Vail, Colorado, on Tuesday, February 7, 2012.  A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference. Terry K. Spencer, president of ONEOK Partners GP, L.L.C., our general partner, will present at the conference at 12:55 p.m. Mountain Standard Time (1:55 p.m. Central Standard Time). The conference will be webcast and will be accessible on our website, www.oneokpartners.com.  A replay of the webcast will be archived for 30 days after the conference. The materials utilized at the conference will be accessible on our website, www.oneokpartners.com, that morning, beginning at 7:00 a.m. Central Standard Time. 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 (the Exchange Act), or otherwise subject to the liabilities under that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act 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 February 2, 2012.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |

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|   |             |   | ONEOK Partners, L.P.By:  ONEOK Partners GP, L.L.C., General Partner            |
|--------|------------------|--------|------------------------------------------------------------------------------------------|
|   |             |   |                                                                                     |
| Date:  | February 6, 2012 | By:    | /s/ Robert F. Martinovich                                                                |
|   |             |   | Robert F. MartinovichExecutive Vice President,Chief Financial Officer andTreasurer  |