<DOCUMENT>
<TYPE>EX-32
<SEQUENCE>5
<FILENAME>ex99-4form6k_081005.txt
<DESCRIPTION>EXHIBIT 99.4
<TEXT>
                                                                    EXHIBIT 99.4
                                                                    ------------

                                  CERTIFICATION


         In connection with the Current Report of Precision Drilling Corporation
(the "Company") on Form 6-K for the quarter ending June 30, 2005 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Michael J. McNulty, Senior Vice President Operations Finance of the Company,
certify that:

    1.   The Report fully complies with the requirements of section 13(a) or
         15(d) of the Securities Exchange Act of 1934; and

    2.   The information contained in the Report fairly presents, in all
         material respects, the financial condition and results of operations of
         the Company.


/s/ Michael J. Mcnulty
--------------------------
Michael J. McNulty
Senior Vice President Operations Finance


August 10, 2005


A signed original of this written statement required by Section 906 has been
provided to Precision Drilling Corporation and will be retained by Precision
Drilling Corporation and furnished to the Securities and Exchange Commission or
its staff upon request.

</TEXT>
</DOCUMENT>
