Exhibit 32.2

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                       AS ADOPTED PURSUANT TO SECTION 906
                        OF THE SARBANES-OXLEY ACT OF 2002

         In connection with the Annual Report of PetroQuest Energy, Inc. (the
"Company") on Form 10-K for the period ending December 31, 2003 (the "Report"),
as filed with the Securities and Exchange Commission on the date hereof, I,
Michael O. Aldridge, Chief Financial Officer of the Company, certify, pursuant
to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

         1.       The Report fully complies with the requirements of section
13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; 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 O. Aldridge
- ---------------------------
Michael O. Aldridge
Chief Financial Officer
March 12, 2004

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