Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Mucha Jacek M	2. Date of Event Requiring Statement (MM/DD/YYYY) 9/16/2019	3. Issuer Name and Ticker or Trading Symbol TETRA TECHNOLOGIES INC [TTI]
(Last)        (First)        (Middle) 24955 INTERSTATE 45 N	4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                          _____ 10% Owner ___X___ Officer (give title below)        _____ Other (specify below) VP Finance, Treasurer /
(Street) THE WOODLANDS, TX 77380       (City)              (State)              (Zip)	5. If Amendment, Date Original Filed(MM/DD/YYYY)	6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	13310.00 (1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(3)	(3)	Common Stock	12915.00	(2)	D
Restricted Stock Unit	(5)	(5)	Common Stock	31027.00	(4)	D

Explanation of Responses:
(1)	The restricted stock award was granted pursuant to the TETRA Technologies, Inc. 2018 Equity Incentive Plan. The award will cliff-vest on November 6, 2021.
(2)	Each restricted stock unit ("RSU") represents the contingent right to receive one share of Issuer's common stock upon vesting of the unit. The closing price of the Issuer's common stock on the date of this RSU award was $2.50.
(3)	The RSU was granted pursuant to the TETRA Technologies, Inc. 2018 Equity Incentive Plan. One-third of the award will vest on February 21, 2020, and one-sixth at the completion of each six-month period thereafter until February 21, 2022, subject to continued service with the Issuer on each respective vesting date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the RSUs in cash, or a combination of shares and cash, in the Issuer's sole discretion.
(4)	Each restricted stock unit ("RSU") represents the contingent right to receive one share of Issuer's common stock upon vesting of the unit. The closing price of the Issuer's common stock on the date of this RSU award was $1.37.
(5)	The RSU was granted pursuant to the TETRA Technologies, Inc. 2018 Equity Incentive Plan. The award will cliff-vest on August 5, 2022, subject to continued service with the Issuer on the vesting date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the RSUs in cash, or a combination of shares and cash, in the Issuer's sole discretion.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Mucha Jacek M 24955 INTERSTATE 45 N THE WOODLANDS, TX 77380			VP Finance, Treasurer

Signatures
Kimberly M. O'Brien, attorney in fact		9/20/2019
**Signature of Reporting Person		Date