Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                                December 21, 2001
                        (Date of earliest event reported)

                                   ONEOK, Inc.
             (Exact name of registrant as specified in its charter)

         Oklahoma                           1-2572              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)

                                   (Zip code)

                                 (918) 588-7000
              (Registrant's telephone number, including area code)

                                 Not Applicable
          (Former name or former address, if changed since last report)

Item 5.   Other Events

          On December 20, 2001, ONEOK, Inc. announced it has revised its
          earnings guidance. Net income excluding the effect of the Oklahoma
          Corporation Commission (OCC) charge is estimated to be in the range of
          $1.20 per diluted share of common stock. This revision in guidance is
          prompted primarily by lower commodity prices and margins coming from
          the company's natural gas gathering and processing segment and the
          impact of warmer-than-normal weather on energy prices and the
          distribution segment. Net income is estimated to be in the range of
          $1.02 per diluted share of common stock including the impact of the
          OCC charge.

          In addition, ONEOK, Inc. updated its exposure to Enron. ONEOK had
          previously announced the company's estimated exposure to Enron to be
          less than $40 million. ONEOK has not received payment from Enron on
          $14 million of November and December 2001 commodity transactions that
          were to settle in late November and early December 2001. Enron's
          filing of the voluntary bankruptcy proceeding may also have created an
          event of technical default related to various financing leases tied to
          ONEOK's Bushton gas processing plant. Enron is one of three guarantors
          of these Busthon plant leases. However, ONEOK is the primary guarantor
          and will continue to make all payments due under the leases. ONEOK has
          notified the lessor and indenture trustee under the leases of the
          potential technical default.

Item 7.   Financial Statements and Exhibits

99.a      Press Release Issued by ONEOK, Inc. dated December 20, 2001



     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, on this 21st day of December 2001.

                                            ONEOK, Inc.

                                        By:  /s/ Jim Kneale
                                           Jim Kneale
                                           Senior Vice President, Treasurer
                                           and Chief Financial Officer
                                           (Principal Financial Officer)