SECURITIES AND EXCHANGE COMMISSION

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)

October 3, 2007

(Date of earliest event reported)

October 1, 2007

ONEOK, Inc.

(Exact name of registrant as specified in its charter)

Oklahoma

001-13643

73-1520922

(State or other jurisdiction

(Commission

(IRS Employer

of 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)

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

[] Soliciting material pursuant to Rule 14a-12 under the Securities 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))

Item 7.01

Regulation FD Disclosure

On October 1, 2007, we announced that ONEOK, Inc. and ONEOK Partners, L.P. will release our third-quarter 2007 earnings after the market closes on Wednesday, October 31, 2007. A joint conference call will be held the following day on Thursday, November 1, 2007, at 11 a.m. Eastern Daylight Time (10 a.m. Central Daylight Time). The conference call number is 866-814-1933, pass code 1109728. The call will also be carried live at www.oneok.com and www.oneokpartners.com. A replay will be available on both web sites for 30 days. A recording will be available by phone for seven days. The playback call may be accessed at 866-837-8032, pass code 1109728.

Item 9.01

Financial Statements and Exhibits

Exhibits

99.1 Press release issued by ONEOK, Inc. and ONEOK Partners, L. P. dated October 1, 2007.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

ONEOK, Inc.

Date:

October 3, 2007

By:

/s/ Curtis L. Dinan

Senior Vice President -

Chief Financial Officer and

Treasurer

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