1 Exhibit 23.1 The Board of Directors ONEOK, Inc. We consent to the incorporation by reference herein of our report on the Consolidated Financial Statements of ONEOK, Inc. and subsidiaries as of August 31, 1999 and 1998, and for each of the years in the three-year period ended August 31, 1999, which report appears in the August 31, 1999, Annual Report on Form 10-K of ONEOK, Inc. and to the references to our firm under the headings "Experts" and "Selected Consolidated Financial Data" in the prospectus. /s/ KPMG LLP Tulsa, Oklahoma March 10, 2000