ex23_4.htm

We hereby consent to the incorporation by reference in Registration Statement on Form S-8 of TETRA Technologies, Inc. to be filed with the Securities and Exchange Commission on or about May 5, 2010 of our letter dated January 11, 2010, prepared for Maritech Resources (“Maritech”), regarding our estimates of certain reserves attributable to Maritech included in TETRA Technologies, Inc.’s Annual Report on Form 10-K, filed with the Securities and Exchange Commission on March 1, 2010. Maritech Resources, Inc. is a wholly owned subsidiary of TETRA Technologies, Inc.