|  (Date of      report)                  |  January 15,      2009                         |
|----------------------------------------------|-----------------------------------------------------|
|  (Date of earliest event      reported) |      January 13,      2009 |

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

----

| Item      8.01 |   | Other      Events                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|----------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|           |   |  On January 13,      2009, the board of directors of our general partner, ONEOK Partners GP, L.L.C., announced a quarterly cash      distribution of$1.08      per unit, effective for the fourth quarter 2008, resulting      in an annualized cash distribution of $4.32      per unit.  The fourth-quarter distribution is payable on      February 13,      2009, to unitholders of record as of January 30,      2009.  The quarterly cash distribution remains      unchanged from the previous      quarter. |
|           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Item      9.01 |   | Financial      Statements and Exhibits                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|           |   |  Exhibits                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|           |   | 99.1 News      release issued by ONEOK Partners, L. P. dated January 13,      2009.                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|           |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |

----

|   |                       |   | ONEOK      Partners, L.P.By:  ONEOK      Partners GP, L.L.C., General Partner |
|--------|----------------------------|--------|-----------------------------------------------------------------------------------------|
|   |                       |   |                                                                                    |
| Date:  | January      15,      2009 | By:    | /s/      Curtis L. Dinan                                                                |
|   |                       |   | Executive      Vice President -Chief      Financial Officerand      Treasurer      |
|   |                       |   |                                                                                    |

----