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                    U.S. SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                     FORM 4

                 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
      Section 17(a) of the Public Utility Holding Company Act of 1935 or
              Section 30(f) of the Investment Company Act of 1940

[_]  Check box if no longer subject of Section 16. Form 4 or Form 5
obligations may continue. See Instruction 1(b).
______________________________________________________________________________
1. Name and Address of Reporting Person*

Flynn                              Edward                     L.
- ------------------------------------------------------------------------------
   (Last)                         (First)                 (Middle)

                            75-11 Myrtle Avenue
- ------------------------------------------------------------------------------
                                  (Street)

Glendale                             NY                     11385
- ------------------------------------------------------------------------------
    (City)                         (State)                 (Zip)
______________________________________________________________________________
2. Issuer Name and Ticker or Trading Symbol

   TGC Industries, Inc. ("TGCI")
______________________________________________________________________________
3. IRS Identification Number of Reporting Person, if an Entity (Voluntary)

    ###-##-####
______________________________________________________________________________
4. Statement for Month/Year

   January 2003
______________________________________________________________________________
5. If Amendment, Date of Original (Month/Year)

==============================================================================
6. Relationship of Reporting Person to Issuer
   (Check all applicable)

   [X] Director                       [X] 10% Owner
   [_] Officer (give title below)     [_] Other (specify below)
______________________________________________________________________________
7. 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 Acquired, Disposed of,
           or Beneficially Owned
=============================================================================
1. 2. 3. 4. Title of Security Transaction Transaction Securities (Instr. 3) Date Code Acquired (A) (mm/dd/yy) (Instr. 8) or Disposed of (D) (Instr. 3 4 and 5) ----------- ------------------- Code V Amount (A) Price or (D) - ----------------------------------------------------------------------------- Common Stock 01-15-03 P 10,000 A $0.09 - ----------------------------------------------------------------------------- Common Stock ============================================================================= 5. 6. 7. Amount of Ownership Nature Securities Form: of Beneficially Direct (D) Indirect Owned at Indirect (I) Beneficial End of Month Ownership (Instr. 3 and 4) (Instr. 4) (Instr. 4) - ----------------------------------------------------------------------------- 882,702 D - ----------------------------------------------------------------------------- 20,316 I By Wife (1) =============================================================================
* If the Form is filed by more than one Reporting Person, see Instruction 4(b)(v). Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over) FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ==============================================================================
1. 2. 3. 4. 5. Table of Conver- Trans- Trans- Number Derivative sion or action action of Deriv- Security Exercise Date Code ative (Instr. 3) Price of (Instr. Secur- Deriv- (Month/ 8) ities ative Date/ Acquired Security Year) (A) or Disposed of (D) (Instr. 3, 4, and 5) -------- --------- Code V (A) (D) - ----------------------------------------------------------------------------- Warrants 2/ $0.30 _ - ----------------------------------------------------------------------------- Warrants 2/ $0.20 _ - ----------------------------------------------------------------------------- Non-Statutory Stock Options $1.00 ============================================================================= 6. 7. 8. 9. 10. 11. Date Exer- Title and Price of Number Ownership Nature of cisable and Amount of Deriv- of Deriv- Form of Indirect Expiration Underlying ative ative Sec- Derivative Beneficial Date Securities Secur- urities Security: Ownership (Instr. 3 ity Benefi- Direct (D) (Instr. 4) (Month/Day/ and 4) (Instr. cially or Indirect Year) 5) Owned at (I) End of (Instr. 4) Month (Instr. 4) - ------ ------- ------- --------- Date Expir- Amount Exer- ation Title or cisable Date Number of Shares - ----------------------------------------------------------------------------- 3/ 7/31/09 Common _ Stock 200,000 200,000 D - ------------------------------------------------------------------------------ 3/ 9/10/ Common _ 2012 Stock 300,000 300,000 D - ------------------------------------------------------------------------------ 4/ 12/10 Common _ 2005 Stock 10,000 10,000 D ==============================================================================
Explanation of Responses: 1/ Reporting Person disclaims beneficial ownership of these securities owned _ by his wife. 2/ Warrants issued pursuant to a debt financing transaction between Reporting _ Person and Company; 3/ Currently exercisable; _ 4/ Non-Statutory Stock Options were granted on 12/11/00; are exercisable one- _ third at 12/11/01; two-thirds at 12/11/02; 100% at 12/11/03. /s/ Edward L. Flynn 01/15/03 - ---------------------------------------------- ---------------------- **Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Page 2 form4-flynn.txt