CUSIP NUMBER
88162F105

(Check One):  [X]  Form 10-K  [ ]  Form 20-F   [ ]  Form 11-K  [ ]  Form 10-Q [ ]  Form 10-D  [ ]  Form N-SAR [ ]  Form N-CSR

For Period Ended: December 31, 2012

[    ] Transition Report on Form 10-K

[    ] Transition Report on Form 20-F

[    ] Transition Report on Form 11-K

[    ] Transition Report on Form 10-Q

[    ] Transition Report on Form N-SAR

For the Transition Period Ended:________________________________________

Read Instructions (on back page) Before Preparing Form.  Please Print or Type.

Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:  Not Applicable

PART I —REGISTRANT INFORMATION

TETRA Technologies, Inc.

Full Name of Registrant

N/A

Former Name if Applicable

24955 Interstate 45 North

Address of Principal Executive Office (Street and Number)

The Woodlands, Texas  77380

City, State and Zip Code

PART II — RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b‑25(b), the following should be completed.  (Check box if appropriate)

(a) The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;

(b)The subject annual report, semi-annual report, transition report of Form 10-K, Form 20-F, Form 11-K, Form N‑SAR or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and

(c)  The accountant’s statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

PART III — NARRATIVE

State below in reasonable detail the reasons why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-SAR, N-CSR or the transition report or portion thereof, could not be filed within the prescribed time period.

The Registrant was unable to file its Annual Report on Form 10‑K for the year ended December 31, 2012 (the “Form 10‑K”) within the prescribed time period due to unexpected problems with the Registrant’s EDGAR filing software relating to the XBRL exhibits.  The Registrant represents that the Form 10‑K will be filed within the period prescribed under Rule 12b‑25(b)(ii).

PART IV — OTHER INFORMATION

(1)Name and telephone number of person to contact in regard to this notification.

Bass C. Wallace, Jr.

281

364-2241

(Name)

(Area Code)

(Telephone Number)

(2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? 

If answer is no, identify report(s).

 [X] Yes  [ ] No

(3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?

[ ] Yes   [X]  No

If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.

TETRA Technologies, Inc.

(Name of Registrant as Specified in Charter)

has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 4, 2013

TETRA TECHNOLOGIES, INC.

/s/Bass C. Wallace, Jr.        

Name: Bass C. Wallace, Jr.

Title: Senior Vice President and General Counsel

ATTENTION

Intentional misstatements or omissions of fact constitute
Federal Criminal Violations (See 18 U.S.C. 1001).