Exhibit 23
CONSENT OF INDEPENDENT AUDITORS
We consent to the incorporation by reference in the following Registration Statements previously filed by TETRA Technologies, Inc. of our report dated February 24, 2003, with respect to the consolidated financial statements and schedule of TETRA Technologies, Inc. included in the Annual Report (Form 10-K) for the year ended December 31, 2002:
Form S-8 (No. 333-40509) 1996 Stock Option Plan for Non-Executive Employees and Consultants
Form S-8 (No. 33-41337) 401(k) Retirement Plan
Form S-8 (No. 33-35750) 1990 Stock Option Plan
Form S-8 (No. 33-76804) 1993 Director Stock Option Plan
Form S-8 (No. 33-76806) 1990 Stock Option Plan
Form S-8 (No. 333-04284) 401(k) Retirement Plan
Form S-8 (No. 333-09889) 1990 Stock Option Plan
Form S-8 (No. 333-61988) 1990 Stock Option Plan, as amended, and TETRA Technologies, Inc. 1996 Stock Option Plan for Non-Executive Employees and Consultants
Form S-8 (No. 333-84444) Non-Qualified Stock Option
Form S-8 (No. 333-76039) 1998 Director Stock Option Plan
ERNST &YOUNG LLP
Houston, Texas
March 27, 2003