UNITED STATES


SECURITIES AND EXCHANGE COMMISSION


Washington, D.C. 20549





FORM 8-K





CURRENT REPORT


PURSUANT TO SECTION 13 OR 15(d) OF THE


SECURITIES EXCHANGE ACT OF 1934





(Date of report)March 5, 2013(Date of earliest event reported)March 4, 2013





ONEOK PARTNERS, L.P.


(Exact name of registrant as specified in its charter)





Delaware1-1220293-1120873(State or other jurisdiction(Commission(IRS Employerof incorporation)File Number)Identification No.)





100 West Fifth Street; Tulsa, OK


(Address of principal executive offices)





74103


(Zip code)





(918) 588-7000


(Registrant’s telephone number, including area code)





Not Applicable


(Former name or former address, if changed since last report)





Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:





[] Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)





[] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)





[] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))





[] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))







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Item 7.01Regulation FD DisclosureOn March 4, 2013, we and ONEOK, Inc. (ONEOK) announced we will participate in the Morgan Stanley MLP and Diversified Natural Gas Corporate Access Day and the Barclays Investment Grade Energy and Pipeline Conference on Wednesday, March 6, 2013, in New York City.  Copies of the news releases are attached as Exhibits 99.1 and 99.2 and are incorporated herein by reference.The materials utilized at the conferences will be accessible on the ONEOK and ONEOK Partners websites,www.oneok.comandwww.oneokpartners.com, on Wednesday, March 6, 2013, beginning at 8 a.m. Eastern Standard Time (7 a.m. Central Standard Time).The information disclosed in this Item 7.01, including Exhibits 99.1 and 99.2 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 9.01Financial Statements and ExhibitsExhibits99.1News release issued by ONEOK, Inc. and ONEOK Partners, L.P. dated March 4, 2013 - Morgan Stanley MLP and Diversified Natural Gas Corporate Access Day.99.2News release issued by ONEOK, Inc. and ONEOK Partners, L.P. dated March 4, 2013 - Barclays Investment Grade Energy and Pipeline Conference.


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SIGNATURE





Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.





ONEOK Partners, L.P.By:  ONEOK Partners GP, L.L.C.,General PartnerDate:March 5, 2013By:/s/ Derek S. ReinersDerek S. ReinersSenior Vice President,Chief Financial Officer andTreasurer





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