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 on Form 10-K of NEWPARK RESOURCES, INC., a
Delaware corporation ("Newpark"), for the period ended December 31, 2004, as
filed with the Securities and Exchange Commission on the date hereof (the
"Report"), I, Matthew W. Hardey, Vice President-Finance and Chief Financial
Officer of Newpark, hereby certify, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

(4)      The information contained in the Report fairly presents, in all
         material respects, the financial condition and results of
         operations of Newpark.



                                              /s/ Matthew W. Hardey
                                              --------------------------
                                              Matthew W. Hardey
                                              Vice President-Finance and
                                              Chief Financial Officer

                                              March 15, 2005