Exhibit 32
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                                  CERTIFICATION
  PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (SUBSECTIONS (A)
      AND (B) OF SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE)

     Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a)
and (b) of section 1350, chapter 63 of title 18, United States Code), each of
the undersigned officers of Unit Corporation a Delaware corporation (the
"Company"), does hereby certify, to such officer's knowledge, that:

     The Quarterly Report on Form 10-Q for the quarter ended March 31, 2005 (the
"Form 10-Q") of the Company fully complies with the requirements of section
13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained
in the Form 10-Q fairly presents, in all material respects, the financial
condition and results of operations of the Company as of March 31, 2005 and
March 31, 2004 and for the quarters ended March 31, 2005 and 2004.


Dated: May 3, 2005

By: /s/ Larry D. Pinkston
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Larry D. Pinkston
Chief Executive Officer


Dated: May 3, 2005

By: /s/ David T. Merrill
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David T. Merrill
Chief Financial Officer and
Treasurer


     The foregoing certification is being furnished solely pursuant to section
906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350,
chapter 63 of title 18, United States Code) and is not being filed as part of
the Form 10-Q or as a separate disclosure document.

     A signed original of this written statement required by Section 906 of the
Sarbanes-Oxley Act of 2002 has been provided to Unit Corporation and will be
retained by Unit Corporation and furnished to the Securities and Exchange
Commission or its staff on request.