|   | (Date of report)                  | February 9, 2011 |
|--------|-----------------------------------|------------------|
|   | (Date of earliest event reported) | February 8, 2011 |

| 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 8, 2011, we announced we are canceling our presentation at the Credit Suisse Energy Summit on Thursday, February 10, 2011, in Vail, Colorado.  Due to inclement weather in Tulsa, Okla., ONEOK and ONEOK Partners management will be unable to travel to the conference.  A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference.   The materials that were to be utilized at the conference will still be accessible on the ONEOK and ONEOK Partners websites, www.oneok.com and www.oneokpartners.com, on Thursday, February 10, 2011, beginning at 7 a.m. Central Standard Time. 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, Inc. and ONEOK Partners, L.P. dated February 8, 2011.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|      |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |

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|   |             |   | ONEOK Partners, L.P.By:  ONEOK Partners GP, L.L.C., General Partner |
|--------|------------------|--------|-------------------------------------------------------------------------------|
|   |             |   |                                                                          |
| Date:  | February 9, 2011 | By:    | /s/ Curtis L. Dinan                                                           |
|   |             |   | Senior Vice President,Chief Financial Officer andTreasurer               |