|   | (Date      of report)                  | January      20, 2010 |
|--------|----------------------------------------|-----------------------|
|   | (Date      of earliest event reported) | January      18, 2010 |

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

----

| Item 7.01 |   | Regulation FD Disclosure                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|-----------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|      |   |  On January 18, 2010, ONEOK, Inc.      announced it will present at the Credit Suisse Energy Summit on      Wednesday, February 3, 2010, in Vail, Colorado. John      Gibson, president and chief executive officer of ONEOK, Inc., and chairman      and chief executive officer of ONEOK Partners GP, L.L.C., our general      partner, will present at the conference at 11:10 a.m. Mountain Standard      Time (12:10 p.m. Central Standard Time). The      conference presentation will be webcast and will be accessible on ONEOK’s      Web site, www.oneok.com.  A replay of the webcast will be      archived for 30 days after the conference.  |
|      |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|      |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|      |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|      |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |

----

|   |                  |   | ONEOK      Partners, L.P.By:  ONEOK      Partners GP, L.L.C., General      Partner |
|--------|-----------------------|--------|----------------------------------------------------------------------------------------------|
|   |                  |   |                                                                                         |
| Date:  | January      20, 2010 | By:    | /s/ Curtis L. Dinan                                                                          |
|   |                  |   | Executive      Vice President -Chief      Financial Officer andTreasurer                |