Exhibit 23.1

            Consent of Independent Registered Public Accounting Firm

We consent to the  incorporation by reference in the  Registration  Statement on
Form S-8 (File No. 333-118140) of our reports dated March 15, 2005, with respect
to Newpark  Resources,  Inc.'s  consolidated  financial  statements  and Newpark
Resources, Inc. management's assessment of the effectiveness of internal control
over financial  reporting of Newpark  Resources,  Inc., and the effectiveness of
internal  control  over  financial  reporting,  which were  included  in Newpark
Resources,  Inc.'s  Annual  Report on Form 10-K for the year ended  December 31,
2004.

                                                           /s/ Ernst & Young LLP

New Orleans, Louisiana
November 9, 2005