TGC INDUSTRIES INC
10KSB, 1998-03-31
PLASTICS, FOIL & COATED PAPER BAGS
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                  U.S. SECURITIES AND EXCHANGE COMMISSION
                         Washington, D.C.   20549

                                FORM 10-KSB

              ANNUAL REPORT UNDER SECTION 13 OF 15(d) OF THE
                      SECURITIES EXCHANGE ACT OF 1934

                For the Fiscal Year Ended December 31, 1997
                      Commission File Number 0-14908

                           TGC INDUSTRIES, INC.
              (Name of small business issuer of its charter)

               Texas                              74-2095844     
(State or other jurisdiction of               (I.R.S. Employer
 incorporation or organization)               Identification No.)

     1304 Summit, Suite 2
          Plano, Texas                                 75074          
(Address of principal executive offices)          (Zip Code)

Issuer's telephone number:    (972) 881-1099

Securities registered under Section 12(b) of the Exchange Act:  NONE
Securities registered under Section 12(g) of the Exchange Act:


Common Stock ($.10 Par Value)
Series C 8% Convertible Exchangeable Preferred Stock ($1.00 Par Value).

Check whether the issuer (1) filed all reports required to be filed by
Section 13 or 15(d) of the Exchange Act during the past 12 months (or for
such shorter period that the registrant was required to file such reports),
and (2) has been subject to such filing requirements for the past 90 days.  
          Yes    X        No   __

Check if there is no disclosure of delinquent filers in response to Item
405 of Regulation S-B contained in this form, and no disclosure will be
contained, to the best of registrant's knowledge, in definitive proxy or
information statements incorporated by reference in Part III of this Form
10-KSB or any amendment to this Form 10-KSB. (X)

State issuer's revenues (from continuing operations) for its most recent
fiscal year:                                                 $16,307,577

State the aggregate market value of the voting stock (Common Stock and
Series C Preferred Stock) held by non-affiliates computed by reference to
the price at which the stock was sold on March 10, 1998:     $11,710,491

State the number of shares outstanding of each of the issuer's classes of
common equity, as of the latest practicable date.

          Class                              Outstanding at March 10, 1998
Common Stock ($.10 Par Value)                          6,475,485

Documents Incorporated by Reference

          Document                      Part of the Form 10-KSB Into Which
Portions of the Proxy Statement         the Document is Incorporated
for Annual Meeting of shareholders        Items 9 through 12 of Part III
to be held on June 4, 1998



                                   Part I

ITEM 1.        DESCRIPTION OF BUSINESS.

     TGC Industries, Inc. ("TGC" or the "Company") is a Texas corporation
engaged in the geophysical service business, primarily conducting Three-D
("3-D") surveys for clients in the oil and gas business.  TGC's principal
business office is located at 1304 Summit Avenue, Suite 2, Plano, Texas
75074.  (Telephone: 972-881-1099).

History

     In April 1980, Supreme Industries, Inc., formerly ESI Industries,
Inc., ("Supreme") formed a wholly owned subsidiary that acquired certain
equipment, instruments, and related supplies of Tidelands Geophysical Co.,
Inc. ("Tidelands"), a Houston-based corporation that had been organized in
1967 and was engaged in the business of conducting seismic, gravity, and
magnetic surveys under contracts to companies in the exploration for oil
and gas.  In July 1986, Tidelands' name was changed to TGC Industries, Inc.
("TGC").  On June 30, 1986, the Board of Directors of Supreme and TGC
approved a spin-off whereby substantially all of the shares of TGC owned by
Supreme were distributed as a stock dividend to Supreme security holders.

     On July 30, 1993, TGC acquired, through a wholly owned subsidiary,
Chase Packaging Corporation ("Chase"), a specialty packaging business,
principally supplying products to the agricultural industry, through the
purchase of certain assets of the Chase Packaging division of Union Camp
Corporation.

     In June 1996, the Board of Directors of TGC approved the spin-off of
Chase, effective July 31, 1996, whereby all of the shares of Chase owned by
TGC were distributed as a stock dividend to the shareholders of TGC under
the terms of the spin-off transaction. Pursuant to the terms of the spin-
off, and following clearance by the Securities and Exchange Commission on
March 7, 1997, the holders of TGC's Common Stock and, on an as-if-converted
basis, the holders of TGC's Series C 8% Convertible Exchangeable Preferred
Stock received the dividend distribution of Chase Common Stock. Since July
31, 1996, Chase has operated as an independent company as a specialty
packaging business principally supplying products to the agricultural
industry.

     During July 1996, the Company issued 1,150,350 shares of Series C 8%
Convertible Exchangeable Preferred Stock in a private placement offering
with gross proceeds of approximately $5,800,000.

     The preferred stock sold in the private placement entitles the holder
to receive cumulative cash dividends as, when and if declared by the Board
of Directors at a rate of 8% per annum prior to any dividend or
distribution in cash or other property on any class or series of stock
junior to the preferred stock.  The dividends on the preferred stock are
payable as, when and if declared by the Board of Directors on January 1 and
July 1 of each year, commencing January 1, 1997.  The dividend on the
preferred stock is cumulative.
     
     From the proceeds of the private placement, TGC made a capital
contribution to Chase of $2,716,403 to facilitate the spin-off; and TGC
retained $2,000,000 for the purchase of state-of-the-art geophysical
recording equipment.  Under the terms of the spin-off, the effective date
of which was July, 31, 1996, TGC completed the spin-off of the business and
assets relating to the Chase operations, except TGC retained the Portland,
Oregon facility and canceled all inter-company debt owed by Chase to TGC. 
The distribution of Chase Stock was March 7, 1997.  On March 18, 1997, TGC
sold the Portland, Oregon facility for $2,430,000 and applied such proceeds
in satisfaction of the mortgage indebtedness with respect to such facility
and in satisfaction of a debt obligation owing by TGC to Chase to pay to
Chase any such proceeds in excess of the amount of the mortgage
indebtedness.

     As of July 31, 1996, the effective date of the spin-off, TGC
Industries, Inc.'s only business has been the geophysical service business,
primarily conducting Three-D ("3-D") surveys for clients in the oil and gas
business.  Since July 31, 1996, the Chase operation has been reported as
discontinued operations.

General Description of the Company's Business

Geophysical Business

     Since its formation, TGC has engaged in the domestic geophysical
services business principally through conducting seismic surveys and to a
lesser extent through sales of gravity information from the Company's Data
Bank to companies engaged in the exploration for oil and gas in the United
States.  Geophysics is the study of the structure and composition of the
earth's interior and involves the measuring and interpretation of the
earth's properties with appropriate instruments.  Such studies are
generally conducted by means of surveys performed by field crews employing
seismic, gravity, or magnetic instruments to acquire data that is then
interpreted by various means to obtain useful information for oil and gas
companies.  The two survey techniques used by the Company in acquiring
geophysical data are seismic and gravity.  Land seismic surveys are the
Company's principal method of data acquisition and are by far the most
widely used geophysical technique.  TGC's seismic crews use dynamite as the
primary energy source for such surveys.

     In July 1996, the Company purchased an Opseis Eagle 24-BIT 1500
channel recording system, cables and geophones for approximately
$2,900,000, using $2,000,000 from proceeds from the Company's preferred
stock private placement, a $750,000 equipment loan, and funds from internal
cash flow.  In late November 1996, the Company purchased a second 1000
channel Eagle system using the proceeds and trade-in from TGC's two older
systems along with equipment financing of $855,000 and internal cash flow. 
In 1997, TGC purchased an additional 1500 channels utilizing equipment
financing of $2,242,685.  At the present time, TGC is operating two Eagle
2000 channel crews.  The greater precision and improved subsurface
resolution obtainable from 3-D seismic data have enabled energy companies
in the U.S. to better evaluate important subsurface features.  The
processing and interpretation of seismic data acquired by TGC are
transmitted by the Company to data processing centers (not owned or
operated by the Company) designated by the clients for processing.

     The Company's Data Bank contains gravity data, and to a lesser extent
magnetic data, from many of the major oil and gas producing areas located
within the United States.  TGC does not have a seismic data bank.  Data
Bank information has been amassed through participatory surveys as well as
speculative surveys funded by TGC alone.  All data and interpretations may
be licensed to customers at a fraction of the cost of newly acquired data.

     As a service business, the Company's domestic geophysical services
business is not dependent upon the supply of raw materials or any other
products and, therefore, the Company does not have arrangements with any
raw material suppliers.

     The Company utilizes two seismic crews to perform its geophysical
services and, in any given period, these crews may generate a significant
portion of their respective revenues from one or more customers.  For the
year ended December 31, 1997, two customers accounted for thirty-one
percent (31%) and twenty eight percent (28%), of the Company's revenue,
respectively.  The Company enters into a general or master agreement with
each of its customers for the provision of geophysical services and a
supplementary agreement (which becomes a part of the general agreement)
with respect to each particular job that the Company performs for a
customer.  Under the terms of such agreements the Company generally
contracts to supply all personnel, transportation and equipment to perform
seismic surveys for a given prospect for a fixed price plus reimbursement
for certain third party charges.  The Company generally bills its customers
on a progressive basis over the term of the contract.  The Company is
generally obligated to maintain insurance against injury or damage to
persons or equipment arising from the performance of its services and to
indemnify its customers against all claims and liability arising therefrom. 
Management believes this insurance coverage is sufficient.

     Activity in the U.S. Geophysical Industry has increased with the
success and acceptance of 3-D surveys.  The improved cost effectiveness
gained from the data acquisition and processing of 3-D surveys has resulted
in increased profits for the U.S. operations of the major and independent
oil companies.  With these cost advantages and the uncertainty of foreign
operations, many of the major U.S. oil companies are increasing
participation in the domestic oil industry.

     Due to the recent acquisition of two state-of-the-art instruments by
the Company, management believes that TGC should experience an increase in
revenues and operating profits.  However, due to uncertainties related to
weather, the potential for contract delay or cancellation, and the
potential for fluctuations in oil and gas prices, there can be no
assurances that such improvement in revenue and operating profits can be
achieved.

     As of December 31, 1997, TGC employed 108 employees, supporting two
seismic crews with a total of 100 crewmembers and direct support members. 
The Company believes its relationship with its employees to be
satisfactory.

ITEM 2.   DESCRIPTION OF PROPERTY.

     The Company's headquarters are in leased facilities located in Plano,
Texas from which it conducts all its current operations.  These facilities
include 8,000 square feet of office and warehouse space and an outdoor
storage area of approximately 10,000 square feet.  The monthly rent is
$4,210.  This facility is used to house corporate offices and serves as the
headquarters for the geophysical business. The Company is not responsible
for insuring the facilities.  The condition of the Company's facilities is
good and TGC management believes that these properties are suitable and
adequate for the Company's foreseeable needs.
     
     In July 1996, the Company retained the Portland, Oregon facility from
the spin-off of the Company's wholly owned subsidiary, Chase Packaging
Corporation.  The facility is 88,000 square feet of office and
manufacturing space with outdoor resin silos and a parking lot.  Chase had
previously acquired the facility when Chase purchased certain assets of
Union Camp Corporation's packaging division in July 1993. On March 18,
1997, TGC sold the Portland, Oregon facility for $2,430,000 and applied
such proceeds in satisfaction of the mortgage indebtedness with respect to
such facility and in satisfaction of a debt obligation owing by TGC to
Chase to pay to Chase any such proceeds in excess of the amount of the
mortgage indebtedness.

ITEM 3.   LEGAL PROCEEDINGS.

     The Company is a defendant in various legal actions that arose out of
the normal course of business.  In the opinion of Management, none of the
actions will result in any significant loss to the Company.

ITEM 4.   SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.

     No matters were submitted by the Company, during the fourth quarter of
the fiscal year ended December 31, 1997, to a vote of the Company's
security holders, through the solicitation of proxies or otherwise.

                                  PART II

ITEM 5.   MARKET FOR COMMON EQUITY AND RELATED STOCKHOLDER MATTERS.

The Company's Common Stock has traded on the NASDAQ SmallCap Market under
the symbol "TGCI" since September 25, 1994.

The number of shareholders of record of TGCI's Common Stock as of March 10,
1998, was 413.  Due to the number of shares held in nominee or street name,
the Company believes that there are a significantly greater number of
beneficial owners of its Common Stock.  As of such date, CEDE & CO. held
2,509,100 shares in street name.  On March 10, 1998, TGC's Common Stock was
quoted at a closing bid price of $1.125.  High and low bid prices of TGC's
Common Stock for the period of January 1, 1996, to December 31, 1997, were
as follows:


<TABLE>
<C>     <C>  <C>      <C> <C>          <C>             <C>
                              
Date                                   High            Low
                              
October 1 -- December 31, 1997         1 1/2           1
                              
July 1 -- September 30, 1997           1 5/8           1
                              
April 1 -- June 30, 1997               1 1/4           7/8
                              
January 1 -- March 31, 1997            1 5/8           1
                              
October 1 -- December 31, 1996         1 1/2           1
                              
July 1 -- September 30, 1996           1               1
                              
April 1 -- June 30, 1996               1               3/8
                              
January 1 -- March 31, 1996            3/8             3/8

</TABLE>

The above bid quotations were furnished to TGC by the National Quotation
Bureau

     Dividends are payable on the Company's Common Stock at the discretion
of the Board of Directors.  In light of the working capital needs of the
Company, it is unlikely that cash dividends will be declared and paid on
the Company's Common Stock in the foreseeable future.





ITEM 6.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITIONS AND
          RESULTS OF OPERATIONS.

Results of operations

Geophysical Operation  (Continuing Operations)

     Revenues from continuing operations for the year ended December 31,
1997, increased 75% to $16,307,577 from revenue of $9,339,970 for the year
ended December 31, 1996.  Net earnings from continuing operations before
dividend requirements on preferred stock was $1,306,039 for the year ended
December 31, 1997.  Included in the 1997 net earnings was a $170,000 income
tax benefit.  Net earnings from continuing operations before dividend
requirements on preferred stock was $388,699 for the year ended December
31, 1996.  EBITDA from continuing operations was $2,764,014 or $.19 per
share on a fully diluted basis for the year ended December 31, 1997,
compared with $1,267,472 or $.12 per share on a fully diluted basis for the
year ended December 31, 1996.  The increase in revenue was the result of
the operation of state-of-the-art recording equipment which was acquired in
the second half of 1996 for the full year of 1997. In addition, a
diversified backlog which included seismic surveys with higher contract
prices contributed to the increase in the 1997 revenue.

     TGC's cost of services, as a percentage of revenue, was 86.1% in 1997,
compared with 86.5% in 1996.  Selling, general and administrative expense,
as a percentage of revenue, decreased from 8.7% in 1996 to 5.6% in 1997. 
Interest expense increased by $137,103 in 1997 when compared to 1996
primarily as a result of the financing of additional geophysical equipment
in the first half of 1997 and the financing of geophysical equipment
acquired in the second half of 1996.  Non-cash charges for depreciation
were $1,425,817 in 1997 compared with $813,718 in 1996.
     
     During 1997, TGC purchased approximately $3,900,000 of additional
equipment to better serve our clients in their pursuit of Three-D ("3-D")
seismic data acquisition.  With this additional recording capacity, TGC's
two crews are equipped with 24-Bit high resolution equipment capable of
recording up to 4,000 channels.  This additional equipment was financed
with a combination of equipment-related financing, internal cash flow and
insurance claim proceeds from the Company's equipment and business
interruption insurance policies.  

     For over thirty years TGC has successfully served the geophysical
industry and TGC crews are under contract through August 1998.  We are
currently working on securing contracts for the last part of 1998.  If the
1998 exploration budgets of oil and gas companies are reduced significantly
due to low oil prices, TGC's revenues and earnings may be adversely
affected.  However, a large portion of the Company's current contract
backlog is in natural gas exploration, which, due to higher natural gas
prices than a year ago, may soften the adverse impact of lower oil prices.

     This report contains forward-looking statements which reflect the view
of Company's management with respect to future events.  Although management
believes that the expectations reflected in such forward-looking statements
are reasonable, it can give no assurance that such expectations will prove
to have been correct.  Important factors that could cause actual results to
differ materially from such expectations are disclosed in the Company's
Securities and Exchange Commission filings, and include, without
limitation, the unpredictable nature of forecasting weather, the potential
for contract delay or cancellation, and the potential for fluctuations in
oil and gas prices.  The forward-looking statements contained herein
reflect the current views of the Company's management and the Company
assumes no obligation to update the forward-looking statements or to update
the reasons actual results could differ from those contemplated by such
forward-looking statements.  

     At December 31, 1997, the Company had net operating loss carry
forwards of approximately $4,400,000 available to offset future taxable
income, which expires at various dates through 2012.

Discontinued Operations

     The operations of the Company's former wholly owned subsidiary, Chase
Packaging Corporation ("Chase"), are reflected as discontinued operations
in the Company's financial statements.  The effective date of the spin-off
of Chase was July 31, 1996, and the date of the distribution of Chase
Packaging Corporation's stock was March 7, 1997.  In addition, on March 18,
1997, TGC sold the Portland, Oregon manufacturing facility of Chase for
approximately $2,430,000, and applied such proceeds in satisfaction of the
mortgage indebtedness with respect to such facility and in satisfaction of
a debt obligation owing by TGC to Chase to pay to Chase any such proceeds
in excess of the amount of the mortgage indebtedness.

Financial Condition

Geophysical Operations (Continuing Operations)

     Cash of $2,426,320 was provided by continuing operations for the
twelve months ended December 31, 1997, compared with cash provided by
continuing operations of $2,446,450 for the same period of the prior year. 
The funds generated in the first twelve months of 1997 were primarily
attributable to net earnings before non-cash depreciation charges for the
Company's geophysical operation.  Cash used in investing activities for
1997 was primarily for additions to equipment for geophysical field
operations.  In addition, during 1997, the Company financed the acquisition
of geophysical equipment through a note payable and capital leases in the
amounts of $1,366,029 and $876,656, respectively.   Cash used in financing
activities were primarily for the payment of dividends on the Company's
Series C 8% Convertible Exchangeable Preferred Stock in the amount of
$685,710 and principal payments on debt obligations in the amount of
$951,384.

     Working capital deficit increased $962,358 to $2,247,887 from the
December 31, 1996, balance of $1,285,529, primarily as a result of an
increase in billings in excess of costs and estimated earnings on
uncompleted contracts and debt incurred in the purchase of geophysical
equipment.  The Company's current ratio declined to .57 to 1.0 at December
31, 1997, compared to .65 to 1.0 at December 31, 1996.  Stockholders'
equity increased to $3,729,993 at December 31, 1997, from the December 31,
1996, balance of $3,017,306 due primarily to the net earnings of the
Company.

     During the fourth quarter of 1997, to support future growth of the
Company, a $1,000,000 revolving bank line of credit was secured from a
major bank.  The line of credit bears interest at prime plus 1.5%, is
collateralized by equipment and accounts receivable and requires the
maintenance of certain financial ratios.  At December 31, 1997, TGC was in
compliance with all the financial ratios.

     In July 1996, TGC closed the private placement of 8% Convertible
Exchangeable Preferred Stock.  TGC's geophysical operation received
approximately $2,000,000 from the private placement and utilized the
proceeds, together with outside financing of $750,000 and internally
generated funds, to purchase a state-of-the-art geophysical 1500 channel
recording system.  The Company placed this system into service in early
August 1996.  In late November 1996, the Company purchased a second 1000
channel system using the proceeds and a trade-in from TGC's two older
systems along with equipment financing of $855,000 and internal cash flow. 
This system was placed into service in December 1996.
     
     The Company anticipates that available funds, together with
anticipated cash flows generated from future operations and amounts
available under its revolving line of credit will be sufficient to meet the
Company's cash needs during 1998.

Discontinued Operations

     As previously discussed, the operations of Chase has been accounted
for as a discontinued operation in the accompanying financial statements
due to the July 31, 1996, spin-off of Chase to TGC shareholders.


ITEM 7.   FINANCIAL STATEMENTS

December 31, 1997 and 1996

CONTENTS

Report of Independent Certified Public Accountants ............... p. 11

Financial Statements
Balance Sheets.................................................... p. 12
Statements of Operations.......................................... p. 14
Statement of Stockholders' Equity................................. p. 15
Statements of Cash Flows.......................................... p. 17
Notes to Financial Statements..................................... p. 20













       Report of Independent Certified Public Accountants



Board of Directors and Stockholders
TGC Industries, Inc.


We have audited the accompanying balance sheets of TGC Industries, Inc. as
of December 31, 1997 and 1996, and the related statements of operations,
stockholders' equity and cash flows for the years then ended.  These
financial statements are the responsibility of the Company's management. 
Our responsibility is to express an opinion on these financial statements
based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards.  Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free
of material misstatement.  An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial
statements.  An audit also includes assessing the accounting principles
used and significant estimates made by management, as well as evaluating
the overall financial statement presentation.  We believe that our audits
provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of TGC Industries, Inc. as
of December 31, 1997 and 1996, and the results of its operations and its
cash flows for the years then ended, in conformity with generally accepted
accounting principles.


\s\ GRANT THORNTON LLP

Dallas, Texas
February 6, 1998

























                        TGC Industries, Inc.

                           BALANCE SHEETS

                            December 31,

<TABLE>
  <S>                                 <C>  <C>      <C>  <C>
          ASSETS                              1997          1996

CURRENT ASSETS
  Cash and cash equivalents           $    120,535  $    655,280
  Trade accounts receivable              2,501,882       758,193
  Costs and estimated earnings 
     in excess of billings
     on uncompleted contracts                 -          733,974
  Prepaid expenses and other               134,629       205,756
  Deferred income taxes                    170,000          -

             Total current assets        2,927,046     2,353,203

PROPERTY AND EQUIPMENT - at cost
  Machinery and equipment                9,876,691     6,587,807
  Automobiles and trucks                   672,515       567,901
  Furniture and fixtures                   317,167       294,822
                                        10,866,373     7,450,530
      Less accumulated depreciation     (3,258,778)   (2,257,126) 
                                         7,607,595     5,193,404
  Property held for sale                      -        1,329,000
                                         7,607,595     6,522,404

OTHER ASSETS                                35,232        31,392

                                       $10,569,873   $ 8,906,999
                                        ==========     =========


</TABLE>

















                        TGC Industries, Inc.

                    BALANCE SHEETS - CONTINUED

                            December 31,
<TABLE>
  <S>                                    <C>           <C>


  LIABILITIES AND STOCKHOLDERS' EQUITY        1997          1996   
CURRENT LIABILITIES
  Trade accounts payable                 $  1,410,668  $ 1,483,828
  Accrued liabilities                         213,667      424,929
  Billings in excess of costs and 
    estimated earnings
    on uncompleted contracts                2,225,711    1,238,379
  Current maturities of long-term 
    obligations                             1,324,887      491,596

          Total current liabilities         5,174,933    3,638,732

LONG-TERM OBLIGATIONS, 
  less current maturities                   1,664,947    1,025,937

NET LIABILITIES OF DISCONTINUED OPERATIONS       -       1,225,024

COMMITMENTS                                      -            -

STOCKHOLDERS' EQUITY
  Preferred stock, $1.00 par value; 
    4,000,000 shares authorized; 
    1,129,350 and 1,150,350 shares 
    issued and outstanding in 1997 
    and 1996, respectively                  1,129,350    1,150,350
  Common stock, $.10 par value; 
    25,000,000 shares authorized;
    6,571,317 and 6,338,652 shares 
    issued in 1997 and 1996,
    respectively                              657,132      633,865
  Additional paid-in capital                5,377,133    5,932,960
  Accumulated deficit                      (3,218,308)  (4,524,347)
  Treasury stock, at cost (95,832 and 
    71,057 shares in 1997 and
    1996, respectively)                      (215,314)    (175,522)
                                            3,729,993    3,017,306
      
                                          $10,569,873  $ 8,906,999
                                           ==========    =========

   The accompanying notes are an integral part of these statements.

</TABLE>



                         TGC Industries, Inc.

                       STATEMENTS OF OPERATIONS

                       Years ended December 31,

<TABLE>
<S>                                     <C>           <C>
                                           1997            1996   
        
Revenue                                 $16,307,577   $  9,339,970

Cost and expenses
  Cost of services                       14,048,852      8,076,520
  Selling, general and administrative       920,528        809,696
  Interest expense                          202,158         65,055
                                         15,171,538      8,951,271

       Income from continuing 
       operations before income taxes     1,136,039        388,699

Income tax benefit                          170,000           -  
        
       Income from continuing operations  1,306,039        388,699

Discontinued operations
  Loss from operations                         -        (1,402,706)

       Net earnings (loss)                1,306,039     (1,014,007)

Less dividend requirement 
  on preferred stock                       (455,640)      (230,070)

       Earnings (loss) allocable to 
       common stockholders            $     850,399    $(1,244,077)
                                            =======      =========

Basic earnings (loss) per common share
  Continuing operations                        $.13         $  .03
  Discontinued operations                        -            (.23)
    
       Earnings (loss) per common share        $.13         $ (.20)

Diluted earnings (loss) per common share
  Continuing operations                        $.09         $  .02
  Discontinued operations                        -            (.21)

       Earnings (loss) per common share        $.09         $ (.19)

Weighted average number of common shares
  Basic                                   6,356,806      6,196,142
  Diluted                                14,666,920      6,691,689

   The accompanying notes are an integral part of these statements.

</TABLE>

                                        TGC Industries, Inc.

                                  STATEMENT OF STOCKHOLDERS' EQUITY

<TABLE>
  <C>     <C>          <S> <C>   <S>  <C>       <C>      <C>        <C>          <C>        <C>

                                                        Additional     
                      Preferred Stock   Common Stock      paid-in   Accumulated   Treasury 
                     Shares    Amount  Shares    Amount   capital     deficit      stock      Total

Balances at 
  January 1, 1996      -   $     -    6,232,152 $623,215 $4,697,774 $(3,510,340) $(167,522) $1,643,127

Private placement, 
  net of expenses
  of $451,041     1,150,350 1,150,350      -        -     4,150,359        -          -      5,300,709

Capital 
  contribution 
  to Chase 
  Packaging 
  Corporation          -         -         -        -    (2,716,403)       -          -    (2,716,403)

Exercise of 
  warrants and 
  stock options        -         -       94,500    9,450     28,900        -        (8,000)     30,350

Cash dividends 
  declared on 
  preferred stock
  ($.20 per share)     -         -         -        -      (230,070)       -          -      (230,070)

Compensation paid 
  in common stock      -         -       12,000    1,200      2,400        -          -          3,600

Net loss               -         -         -        -          -     (1,014,007)      -    (1,014,007)


</TABLE>


                                           TGC Industries, Inc.

                              STATEMENT OF STOCKHOLDERS' EQUITY (CONTINUED)
<TABLE>
  <C>            <C>        <C>       <C>        <C>      <C>        <C>          <C>        <C>
Balances at 
  December 31, 
  1996           1,150,350  1,150,350 6,338,652  633,865  5,932,960  (4,524,347)  (175,522)  3,017,306

Conversion of 
  preferred stock  (21,000)   (21,000)  139,997   14,000      7,000        -          -           -  

Exercise of stock 
  options             -          -       92,668    9,267     30,525        -       (39,792)       -  

Spin-off of 
  Chase Packaging 
  Corporation         -          -         -        -      (103,976)       -          -      (103,976)

Expenses associated 
  with private 
  placement           -          -         -        -       (33,736)       -          -       (33,736)

Cash dividends on 
  preferred stock
  ($.40 per share)    -          -         -        -      (455,640)       -          -      (455,640)

Net earnings          -          -         -        -          -      1,306,039       -      1,306,039

Balances at 
  December 31, 
  1997           1,129,350 $1,129,350 6,571,317 $657,132 $5,377,133 $(3,218,308) $(215,314) $3,729,993
                 =========  ========= =========  =======  =========   =========    =======   =========


                     The accompanying notes are an integral part of these statements.

</TABLE>

                         TGC Industries, Inc.

                        STATEMENTS OF CASH FLOWS

                        Years ended December 31,

<TABLE>
  <S>          <C>                        <C>          <C>

                                             1997         1996 

Cash flows from operating activities
  Net earnings (loss)                     $ 1,306,039  $(1,014,007)
  Adjustments to reconcile 
      net earnings (loss) to net cash
      provided by operating activities
         Loss from discontinued operations       -       1,402,706
         Depreciation                       1,425,817      813,718
         Loss (gain) on disposal of 
           property and equipment            (126,088)     103,081
  Deferred income taxes                      (170,000)        -  
Changes in operating assets and liabilities
  Trade accounts receivable                (1,743,689)     277,142
  Billings in excess of costs 
     and estimated earnings
     on uncompleted contracts               1,721,306      671,207
  Prepaid expenses                             71,127     (158,032)
  Other assets                                 (3,840)        (194)
  Accounts payable                            (73,160)     627,723
  Accrued liabilities                          18,808     (276,894)

    Net cash provided by 
      continuing operations                 2,426,320    2,446,450
    Net cash used in discontinued 
      operations                                 -        (456,687)

    Net cash provided by 
      operating activities                  2,426,320    1,989,763

Cash flows from investing activities
  Capital expenditures                     (1,685,162)  (3,195,330)
  Proceeds from sale of
     property and equipment                   213,927      119,191
  Investing activities of 
     discontinued operations                     -         (92,442)

    Net cash used in investing 
      activities                           (1,471,235)  (3,168,581)
</TABLE>




                         


                         TGC Industries, Inc.

                  STATEMENTS OF CASH FLOWS (CONTINUED)

                        Years ended December 31,

<TABLE>
  <S>                                       <C>               <S>

                                             1997          1996 

Cash flows from financing activities
  Dividends paid                            (685,710)         -  
  Proceeds from issuance of debt             181,000       125,813
  Proceeds from issuance of stock, 
    net of expenses                             -        4,938,847
  Principal payments of debt obligations    (951,384)     (259,079)
  Capital contribution to Chase 
    Packaging Corporation                       -       (2,716,403)
  Financing activities of 
    discontinued operations                     -         (369,948)
  Other                                      (33,736)         -  

    Net cash provided by (used in)  
      financing activities                (1,489,830)    1,719,230

    Net increase (decrease) in cash 
      and cash equivalents                  (534,745)      540,412

Cash and cash equivalents at 
  beginning of year                          655,280       114,868

Cash and cash equivalents at 
  end of year                            $   120,535    $  655,280
                                             =======       =======

Supplemental cash flow information
  Cash paid for interest                 $   201,934    $   64,334
</TABLE>
Noncash investing and financing activities

  During 1996, the Company received 4,923 shares of common stock as payment
for the exercise of options.  The Company included these shares as treasury
stock at $1.63 per share, the fair market value of the Company's common stock
on the date of the transaction.

  During 1996, the Company financed the acquisition of equipment through a
note payable and capital leases in the amounts of $750,000 and $861,057,
respectively.







                         


                         TGC Industries, Inc.

                  STATEMENTS OF CASH FLOWS -  CONTINUED

                  Years ended December 31, 1997 and 1996


  During 1996, the Company issued 6,000 shares of the Company's Series C 8%
convertible exchangeable preferred stock in exchange for notes receivable
amounting to $30,000.  Subordinated convertible debt in the amount of
$365,812 was exchanged for 73,162 shares of the Company's preferred stock. 
The Company issued 45,938 shares of preferred stock for payment of commission
expenses totaling $229,690.

  During 1997, the Company received 14,025 and 10,750 shares of common stock,
respectively, as payments for the exercise of options.  The Company included
these shares as treasury stock at $1.69 and $1.50 per share, respectively,
the fair market value of the Company's common stock on the dates of the
transactions.

  During 1997, the Company financed the acquisition of equipment through a
note payable and capital leases in the amounts of $1,366,029 and $876,656,
respectively.

  During 1997, the Company sold a manufacturing facility of its former
wholly-owned Subsidiary, Chase Packaging Corporation (Chase).  All proceeds
were contributed to New Chase (Note C).

  During 1997, the Company spun-off New Chase (Note C) resulting in a stock
dividend to TGC stockholders amounting to $103,976.

  During 1997, holders of 21,000 shares of convertible exchangeable preferred
stock converted these shares into 139,997 shares of the Company's common
stock.

   The accompanying notes are an integral part of these statements.










                         





                         TGC Industries, Inc.

                     NOTES TO FINANCIAL STATEMENTS

                       December 31, 1997 and 1996

NOTE A - NATURE OF OPERATIONS

   TGC Industries, Inc. (TGC or the Company) is engaged in the
   domestic geophysical services business and primarily conducts
   seismic surveys and sells gravity data to companies engaged in
   exploration in the oil and gas industry.  The operations of its
   former wholly-owned subsidiary, Chase Packaging Corporation
   (Chase), which manufactures woven paper mesh and polypropylene
   mesh fabric bags for agricultural and industrial use, are
   reflected as discontinued in the accompanying financial
   statements.  (See Note C).
    
    
NOTE B - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
    
    Cash Equivalents
    
    The Company considers all highly liquid investments with
    original maturity dates of three months or less to be cash
    equivalents.
    
    Property and Equipment
    
    Property and equipment are stated at cost.  Depreciation is
    provided using the straight-line method over the estimated
    useful lives of the individual assets.
    
    Income Taxes
    
    Deferred income taxes reflect the impact of temporary
    differences between the amounts of assets and liabilities
    recognized for financial reporting purposes and such amounts
    recognized for tax purposes.
    
    Stock-Based Compensation
    
    Statement of Financial Accounting Standards No. 123 (SFAS 123),
    "Accounting for Stock-Based Compensation" encourages, but does
    not require, companies to record compensation cost for stock-
    based employee compensation plans at fair value.  The Company
    has chosen to continue to account for stock-based compensation
    using the intrinsic value method prescribed in Accounting
    Principles Board Opinion No. 25 (APB 25), "Accounting for Stock
    Issued to Employees" and provides the required pro forma
    disclosures prescribed by SFAS 123.


                        

                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996
    
NOTE B - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Continued

    Revenue Recognition
    
    Revenues from conducting seismic surveys are recognized over
    the term of the contract using the percentage-of-completion
    method.  Under this method, revenues are recognized on the
    units-of-production method.  Revenues for the sale of gravity
    data are recognized when services are rendered. 
    
    
    Earnings (Loss) Per Share
    
    For the year ended December 31, 1997, the Company adopted
    Statement of Financial Accounting Standards No. 128 (SFAS 128),
    "Earnings Per Share."  Under SFAS 128, basic earnings (loss)
    per common share is based upon the weighted average number of
    shares of common stock outstanding. Diluted earnings (loss) per
    share is based upon the weighted average number of common
    shares outstanding and, when dilutive, common shares issuable
    for stock options, warrants and convertible securities. 
    Earnings (loss) per share data for 1996 has been restated to
    conform to the provisions of SFAS 128.
    
    Use of Estimates
    
    The preparation of financial statements in conformity with
    generally accepted accounting principles requires management to
    make estimates and assumptions that affect the reported amounts
    of assets and liabilities and disclosure of contingent assets
    and liabilities at the date of the financial statements and the
    reported amounts of revenues and expenses during the reporting
    period.  Actual results could differ from those estimates.

NOTE C - REORGANIZATION PLAN

    In May 1996, a formal plan was adopted to reorganize TGC and
    Chase.  Pursuant to the plan, the following actions have been
    taken:
    
        (a) During July 1996, the Company issued 1,150,350 shares
            of Series C 8% convertible exchangeable preferred stock
            in a private placement offering with gross proceeds of
            approximately $5,800,000.  The preferred stock is, at
            the option of the Company, exchangeable into 8%
            subordinated convertible debentures.  The preferred

                        

                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


NOTE C - REORGANIZATION PLAN - Continued

            stock and debentures are convertible into shares of the
            Company's common stock for a period of four years and
            are convertible in years one and two at $.75 per share,
            year three at $1.25 and thereafter at $2.00.

        (b) Upon closing of the private placement, the Company
            contributed $2,716,403 as a capital contribution to
            Chase.

        (c) TGC liquidated its wholly-owned subsidiary, Chase
            Packaging Corporation (Old Chase), with TGC receiving
            all of Old Chase's properties and liabilities in
            cancellation of the Old Chase stock held by TGC.  TGC
            formed a new wholly-owned subsidiary, New Chase
            Corporation (New Chase), and subsequently changed the
            name to Chase Packaging Corporation.  TGC transferred
            all of the properties and liabilities received in the
            liquidation of Old Chase to New Chase, except TGC
            retained the manufacturing facility of Old Chase
            located in Portland, Oregon.  On March 18, 1997, TGC
            sold the facility for proceeds of approximately
            $2,400,000.  TGC applied such proceeds in satisfaction
            of the mortgage indebtedness with respect to such
            facility and in satisfaction of a debt obligation owing
            by TGC to New Chase to pay to New Chase any such
            proceeds in excess of the amount of the mortgage
            indebtedness.

        (d) During June 1996, the Board of Directors approved the
            spin-off of New Chase whereby all of the shares of New
            Chase would be distributed as a stock dividend to the
            shareholders of TGC common stock and, on an as if
            converted basis, TGC preferred stock, effective July
            31, 1996.  The New Chase common stock was distributed
            on March 7, 1997.

    The spin-off distribution of New Chase to TGC stockholders
    reduced stockholders' equity by $103,976, which represents the
    book value of the net assets of New Chase as of March 7, 1997.




                        

                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996

NOTE C - REORGANIZATION PLAN - Continued

    Accordingly, the operations of Chase have been classified as
    discontinued in the accompanying financial statements.  Summary
    operating results of the discontinued operations for the year
    ended December 31, 1996, were as follows:
<TABLE>
      <S>                                             <C>
    
      Revenues                                        $  5,517,914
      Costs and expenses                                 6,920,620
    
      Loss from discontinued operations                $(1,402,706)
                                                         =========
</TABLE>
    
    The net assets and liabilities relating to the discontinued
    operations have been segregated on the balance sheet at
    December 31, 1996, and are as follows:
<TABLE>
      <S>                                             <C>    <S>

      Cash                                            $      -  
      Accounts receivable, net                          1,446,247
      Inventories                                       2,375,400
      Prepaid expenses                                    132,252
      Property and equipment, net 
        of accumulated depreciation                     3,163,272
      Other assets                                         16,386
      
        Total assets                                    7,133,557

      Trade accounts payable                            1,477,971
      Accrued liabilities                                 486,461
      Advance billings                                     34,476
      Note payable                                      3,868,270
      Capital contribution from private placement       2,491,403

        Total liabilities                               8,358,581

      Net liabilities                                  $1,225,024
                                                        =========
</TABLE>







                        














                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996

NOTE D - COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS

    The components of uncompleted contracts are as follows:
<TABLE>
        <S>                               <C>           <C>
                                                December 31,
                                              1997        1996

    Costs incurred on uncompleted 
        contracts and
        estimated earnings                $  3,488,065  $2,481,507
    Less billings to date                    5,713,776   2,985,912

                                          $ (2,225,711) $ (504,405)
</TABLE>
    These components are included in the accompanying balance sheet
    under the following captions:

<TABLE>
        <S>                                 <C>         <C>

                                                December 31,
                                              1997         1996

    Costs and estimated earnings in 
        excess of billings
        on uncompleted contracts           $      -      $ 733,974
    Billings in excess of costs and 
        estimated earnings on
        uncompleted contracts               (2,225,771) (1,238,379)

                                           $(2,225,711) $ (504,405)
</TABLE>

NOTE E - ACCRUED LIABILITIES

  Accrued liabilities consist of the following:

<TABLE>
    <S>                                       <C>         <C>
                                                 December 31, 
                                              1997         1996    
    Compensation and payroll taxes            $137,751    $104,505
    Dividends payable                             -        230,070
    Insurance                                    8,424      36,769
    Other                                       67,492      53,585

                                              $213,667    $424,929            
                                               =======     =======
</TABLE>








                        

                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


NOTE F - LONG-TERM OBLIGATIONS

  Long-term obligations consist of the following:
<TABLE>
      <S>                               <C>            <C>   <S>

                                                 December 31, 
                                              1997         1996          
    Note payable, interest at 4%, due 
      in monthly installments of $552
      including interest; collateralized 
      by equipment and accounts
      receivable                        $  112,480     $     -  

    Note payable, interest at 4%, due 
      in monthly installments of $1,130
      including interest; collateralized 
      by equipment and accounts
      receivable                            63,288           -  

    Notes payable to a finance 
      company, interest at 11%, due 
      in monthly installments of 
      $41,367 including interest; 
      collateralized by equipment        1,173,393           -

    Note payable to a bank, 
        interest at 9.83%, due in 
        monthly installments
        of $22,959 including interest; 
        collateralized by equipment and 
        accounts receivable                498,384           -  

    Note payable to a finance company, 
       interest at 10%, due in monthly
       installments of $24,220 including 
       interest, collateralized 
       by equipment                           -           696,271

    Capital lease obligations            1,142,289        821,262
                                         2,989,834      1,517,533
          Less current maturities        1,324,887        491,596

                                        $1,664,947     $1,025,937
                                         =========      =========
</TABLE>

                        








                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


NOTE F - LONG-TERM OBLIGATIONS - Continued

    The Company has a revolving $1,000,000 bank line of credit
    which matures during November 1998.  The line of credit bears
    interest at prime plus 1.5% (10% at December 31, 1997), and is
    collateralized by equipment and accounts receivable.
    
    Some of the above notes have restrictive covenants which, among
    other things, require the maintenance of certain financial
    ratios.

    Capital Lease Obligations

    The Company has entered into lease agreements which have been
    accounted for as capital leases.  The assets and liabilities
    under capital leases have been recorded at the lower of the
    present value of the minimum lease payments or the fair value
    of the assets.  Outstanding leases at December 31, 1997 have
    terms ranging from 24 to 36 months.  The leases mature from
    April 1999 through October 1999, with interest rates ranging
    from 10% to 13%.  Some of these leases contain purchase
    options.


  Aggregate maturities of long-term obligations at December 31,
  1997 are as follows:
<TABLE>
      <C>               <C> <C>         <C> <C>         <C>
                                         Capital                              
                             Notes        lease    
                            payable     obligations      Total     
      1998              $   635,026     $   751,560     $1,386,586
      1999                  707,451         469,116      1,176,567
      2000                  369,963            -           369,963
      2001                   14,803            -            14,803
      2002                   15,475            -            15,475
      Thereafter            104,827            -           104,827
                          1,847,545       1,220,676      3,068,221
         Less amounts 
         representing 
         interest              -            (78,387)       (78,387)

                         $1,847,545      $1,142,289     $2,989,834
                          =========       =========      =========
</TABLE>







                        

                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


NOTE F - LONG-TERM OBLIGATIONS - Continued

    The following is a schedule of leased property under capital
    leases:

<TABLE>
      <S>                                     <C>         <C>
    
                                                 December 31, 
                                                1997        1996
    
      Machinery and equipment                 $1,732,066  $855,000
      Furniture and fixtures                        -        6,057
                                               1,732,066   861,057
          Less accumulated depreciation          221,330    10,179
    
                                              $1,510,736  $850,878
                                               =========   =======
</TABLE>
    The fair value of long-term debt is estimated using discounted
    cash flows based on the Company's incremental borrowing rate
    for similar types of borrowings.  A comparison of the carrying
    value and fair value of these instruments is as follows:

<TABLE>
      <S>                                    <C>         <C>
    
                                                  December 31,
                                                1997         1996
    
      Carrying value                         $2,989,834  $1,517,533
      Fair value                             $2,897,020  $1,551,423
    
</TABLE>















                        








                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996




NOTE G - STOCKHOLDERS' EQUITY

    Earnings Per Share
    
    A reconciliation of the numerators and denominators of the
    basic earnings per common share and diluted earnings per common
    share for the year ended December 31, 1997 is as follows:
    
<TABLE>
        <S>                        <C>        <C>            <C>
                                                        Per-share
                                  Income       Shares    amount
    
    Net earnings                $1,306,039  
      Less dividend requirement 
        on preferred stock        (455,640)  

    Basic earnings per common share  
      Income allocable to 
        common stockholders        850,399    6,356,806      $.13
                                                              === 

    Effect of dilutive securities
      Stock options                             124,214
      Warrants                                  561,689
      Convertible preferred stock  455,640    7,624,211

    Diluted earnings per common share
      Income available to common 
        stockholders plus
        assumed conversions     $1,306,039   14,666,920      $.09
                                 =========   ==========       ===

</TABLE>












                        






                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


NOTE G - STOCKHOLDERS' EQUITY - Continued
  
    A reconciliation of the numerators and denominators of the
    basic earnings per common share and diluted earnings per common
    share for the year ended December 31, 1996 is as follows:

<TABLE>

        <S>                      <C>         <C>           <C>
    
                                                        Per-share
                                  Income       Shares    amount
    
    Income from continuing 
      operations                 $ 388,699  
      Less dividend requirement 
        on preferred stock        (230,070)  

    Basic earnings per common share  
      Income allocable to 
        common stockholders        158,629   6,196,142     $.03
                                                            ===

    Effect of dilutive securities
      Stock options                             96,703
      Warrants                                 398,844
      
    Diluted earnings per common share
      Income available to common 
        stockholders plus
        assumed conversions      $ 158,629   6,691,689     $.02
                                   =======   =========      ===

</TABLE>

    Stock-Based Compensation Plans
    
    The Company's 1986 Incentive Stock Option Plan (the "1986
    Plan") expired during July 1996.  At December 31, 1997, options
    covering 37,000 shares of the Company's common stock were
    outstanding under the 1986 Plan.  All options were exercisable
    at December 31, 1997, and will remain outstanding until they
    are exercised or canceled.






                        


                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996




    NOTE G - STOCKHOLDERS' EQUITY - Continued

    The Company currently has in effect a 1993 Stock Option Plan
    (the "1993 Plan") covering a total of 750,000 shares of the
    Company's common stock, and options must be granted at prices
    at not less than the market price at the date of grant. 
    Options granted under the 1993 Plan must be exercised within
    five years from the date of grant.  Options covering 180,000
    shares are exercisable as follows:  (i) one-third of the shares
    after the first twelve-month period following the date of
    grant, (ii) up to two-thirds of the shares after the first
    twenty-four month period following the date of grant, and (iii)
    all of the shares of stock subject to the option at any time
    after the first thirty-six month period following the date of
    grant.  At December 31, 1997, outstanding options for 83,333
    shares were exercisable. Options covering 116,333 shares were
    available for future grant.
   
    In conjunction with the spin-off of New Chase, options held by
    employees of New Chase under the 1993 Plan were converted into
    a nonqualified plan.  Options covering 159,167 shares are
    exerciseable as follows: (i) 135,833 shares at date of grant,
    (ii) 11,666 shares after 18 months following the date of grant,
    and (iii) 11,668 after 30 months following the date of grant. 
    At December 31, 1997, outstanding options for 135,833 shares
    were exercisable.

















                        


                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996

    NOTE G - STOCKHOLDERS' EQUITY - Continued

    The Company has adopted only the disclosure provisions of SFAS
    123.  The Company will continue to apply APB 25 and related
    interpretations in accounting for its stock-based compensation
    plans.  Had compensation cost for the Company's 1997 and 1996
    stock grants for stock-based compensation plans been determined
    consistent with SFAS 123, the Company's net income (loss) and
    net earnings (loss) per common share for 1997 and 1996 would
    approximate the pro forma amounts indicated below:
     
<TABLE>
      <S>          <C>         <C>        <C> <C>        <C>
                           1997                     1996
                  As reported  Pro forma   As reported  Pro forma 
    
    Income from 
      continuing 
      operations   $1,306,039  $1,221,249 $   388,699    $ 120,909
    Loss from 
      discontinued 
      operations         -           -     (1,402,706)  (1,402,706)
    
        Net earnings 
          (loss)   $1,306,039  $1,221,249 $(1,014,007) $(1,281,797)
                    =========   =========   =========    =========
    
    Net earnings 
     (loss) 
     allocable 
     to common
     stockholders  $  850,399  $  765,609 $(1,244,077) $(1,511,867)
                      =======     =======   =========    =========    
</TABLE>

<TABLE>
          <S>            <C>         <C>       <C>           <C>
    Basic earnings 
    (loss) per 
    common share
       Continuing 
          operations     $.13        $.12      $  .03        $(.02)
       Discontinued 
          operations      -           -          (.23)        (.22)
    
        Earnings (loss) 
          per common 
          share          $.13        $.12       $(.20)       $(.24)
                          ===         ===         ===          ===
</TABLE>


                        


                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


    NOTE G - STOCKHOLDERS' EQUITY - Continued

<TABLE>
          <S>            <C>         <C>       <C>           <C>

                           1997                     1996
                  As reported  Pro forma   As reported  Pro forma 
    
      Diluted earnings 
      (loss) per 
      common share        
        Continuing 
          operations     $.09        $.08      $  .02        $(.02)
        Discontinued 
          operations      -           -          (.21)        (.21)
    
        Earnings (loss) 
          per common 
          share          $.09        $.08       $(.19)       $(.23)
                          ===         ===         ===          ===

</TABLE>
    The effects of applying SFAS 123 in this pro forma disclosure
    are not indicative of future disclosures because they do not
    take into effect pro forma compensation expense related to
    grants made before December 31, 1994.  The fair value of these
    options was estimated at the date of grant using the Black-
    Scholes option-pricing model with the following weighted
    average assumptions used for grants after January 1, 1995: 
    expected volatility of 150%; risk-free interest rate of 6.25%;
    and expected life of 4 years.  The weighted average fair value
    of options granted during 1996 was $.55.  No options were
    granted during 1997.












                        

                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


NOTE G - STOCKHOLDERS' EQUITY - Continued
    
    The following table summarizes activity under the Plans:
<TABLE>
      <S>        <C>     <C>             <C>              <C>
    
                                                       Weighted
                                     Shares under       average
                                        option       exercise price
    
      Balance at January 1, 1996         458,668          $  .86
        Granted                          774,167             .70
        Exercised                        (84,500)            .41
        Canceled                        (568,167)            .75
        
      Balance at December 31, 1996       580,168             .83
        Granted                             -                 -  
        Exercised                        (92,668)            .37
        Canceled                        (111,333)            .80
    
      Balance at December 31, 1997       376,167            $.91
                                         =======             ===
    
      Exercisable at December 31:
        1996                             235,835            $.81
        1997                             256,166            $.92
</TABLE>


    
    The following information applies to options outstanding at
    December 31, 1997:
<TABLE>
        <C>   <S><C>      <C>           <C> <S>          <C> <C>
    
                                       Weighted
                                       average    
                                       remaining       Weighted
           Range of       Number      contractual       average
       exercise prices  outstanding      life       exercise price
    
        $.375 to .40      25,000        3.3 years        $   .375
        $.80 to 1.00     316,167        3.0 years            .90
        $1.01 to 1.375    35,000        1.2 years           1.375
    
                         376,167                         $   .91
                         =======                             ===
</TABLE>




                        


                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


NOTE G - STOCKHOLDERS' EQUITY - Continued
    
    The following information applies to options exercisable at
    December 31, 1997:

<TABLE>
          <C>   <S><C>         <C>               <C>

    
            Range of          Number       Weighted average
         exercise prices    exercisable     exercise price    
    
          $.375 to .40         22,000            $  .375
          $.80 to 1.00        199,166               .89
          $1.01 to 1.375       35,000              1.375
    
                              256,166           $   .92
                              =======               ===   
</TABLE>


    Stock Warrants

    At December 31, 1997 and 1996, warrants to purchase 887,174
    common shares were outstanding.  Warrants covering 737,174
    shares, issued in a private placement during 1995 , are
    exercisable over a three year period and have a strike price of
    $.375 per share.  In connection with the issuance of
    subordinated notes payable during 1995, certain officers and
    directors received warrants covering 150,000 shares.  These
    warrants are exercisable over a five year period and have a
    strike price of $.80 per share.  All warrants were issued with
    exercises prices equal to the fair market value at the date of
    grant.
    
    Preferred Stock

    During 1996, the Company issued 1,150,350 shares of Series C 8%
    convertible exchangeable preferred stock at $5.00 per share in
    a private placement offering with gross proceeds of
    approximately $5,800,000.  The preferred stock is, at the
    option of the Company, exchangeable into 8% subordinated
    convertible debentures.  The preferred stock and debentures are
    convertible into shares of the Company's common stock for a
    period of four years and are convertible in years one and two
    at $.75 per share, year three at $1.25 and thereafter at $2.00.
    In connection with the private placement, officers and
    directors converted approximately $366,000 of subordinated
    notes payable to 73,162 additional shares of preferred stock. 
    The Company incurred expenses associated with the private
    placement of $451,041, of which $229,690 was paid by issuance
    of 45,938 shares of preferred stock.

                        

                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996


NOTE G - STOCKHOLDERS' EQUITY - Continued

    Dividends

    Holders of the Company's Series C 8% convertible exchangeable
    preferred stock will receive, when, as and if declared by the
    Board of Directors of the Company, dividends at a rate of 8%
    per annum.  The dividends are payable semi-annually during
    January and July of each year, commencing January 1997.
   

NOTE H - INCOME TAXES

    The income tax provision (benefit) 
    reconciled to the tax computed at the
    statutory Federal rate is as follows:
<TABLE>
      <S>                                   <C>          <C>

                                                  December 31,
                                               1997         1996      
Federal tax expense (benefit) 
      at statutory rate                     $ 386,253    $(344,762)
    Meals and entertainment                     7,135        6,860
    Tax effect of transfer of assets 
      from Old Chase (Note C)                    -         357,668
    Losses from Old and New Chase 
      not recorded by TGC                        -        (504,684)
    Other                                      71,328      (12,214)
    Change in valuation allowance            (634,716)     497,132

                                            $(170,000)    $   -
                                              =======      =======
</TABLE>


    Deferred tax assets and liabilities 
    consist of the following:

<TABLE>
      <S>                                  <C>         <C>
                                                  December 31,
                                               1997         1996   
    Deferred tax assets
      Net operating loss carryforwards     $1,493,587  $ 1,461,430
      Other                                     2,864        6,803
    Deferred tax liability
      Property and equipment                 (574,840)     (81,906)
                                              921,611    1,386,327
      Less valuation allowance               (751,611)  (1,386,327)
      
      Net deferred tax asset              $   170,000   $     -
                                              =======    =========
</TABLE>


                        
                         TGC Industries, Inc.

               NOTES TO FINANCIAL STATEMENTS - CONTINUED

                       December 31, 1997 and 1996

NOTE H - INCOME TAXES - Continued

    At December 31, 1997, the Company had net operating loss
    carryforwards of approximately $4,400,000 available to offset
    future taxable income, which expire at various dates through
    2012.  Future tax benefits, such as net operating loss
    carryforwards, are recognized to the extent that realization of
    such benefits are more likely than not.
  
NOTE I - 401(k) PLAN

    The Company has a 401(k) salary deferral plan which covers all
    employees who have reached the age of 20.5 years and have been
    employed by the Company for at least one year.  The covered
    employees may elect to have an amount deducted from their wages
    for investment in a retirement plan.  The Company matched
    contributions to the plan in 1996 at the following rates:   
    (1) 75% of each participant's salary reduction contributions to
    the plan up to a maximum of 3% of the participant's
    compensation; and (2)  50% of each participant's salary
    reduction contributions to the plan which are in excess of 3%
    of the participant's compensation but not in excess of 8% of
    the participant's compensation.  On January 1, 1997, the
    Company amended the plan to make contributions to the plan
    equal to 100% of each participant's salary reduction
    contributions to the plan up to 4.75% of the participant's
    compensation.  The Company's matching contribution to the plan
    was approximately $41,000 and $30,000 for the years ended
    December 31, 1997 and 1996, respectively.
   
NOTE J - CONCENTRATION OF CREDIT RISK

    The Company sells its geophysical services to large oil and gas
    companies operating in the United States.  The Company performs
    ongoing credit evaluations of its customer's financial
    condition and, generally, requires no collateral from its
    customers.  Three customers accounted for approximately 85% of
    accounts receivable at December 31, 1997.  At December 31,
    1996, one customer accounted for approximately 77% of accounts
    receivable.
    
    During 1997, two customers accounted for 31% and 28% of the
    sales of the Company, respectively.  During 1996, four
    customers accounted for 20%, 15%, 13% and 13% of the sales of
    the Company, respectively.  

                        
               
ITEM 8.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON
         ACCOUNTING AND FINANCIAL DISCLOSURE.

         Not Applicable.


                            PART III


ITEM 9.  DIRECTORS, EXECUTIVE OFFICERS, PROMOTERS AND CONTROL
         PERSONS, COMPLIANCE WITH SECTION 16(a) OF THE EXCHANGE
         ACT.

     Certain information required by Item 9 of the Form 10-KSB is hereby
incorporated by reference from the Company's definitive proxy statement,
which will be filed pursuant to Regulation 14A within 120 days after the
Company's year end for the year covered by this report, under the caption
"Nominees for Directors" in the proxy statement.


ITEM 10.  EXECUTIVE COMPENSATION.

     The information required by Item 10 of Form 10-KSB is hereby
incorporated by reference from the Company's definitive proxy statement,
which will be filed pursuant to Regulation 14A within 120 days after the
Company's year end for the year covered by this report, under the caption
"Executive Compensation" in the proxy statement.


ITEM 11.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND
          MANAGEMENT.

     The information required by Item 11 of Form 10-KSB is hereby
incorporated by reference from the Company's definitive proxy statement,
which will be filed pursuant to Regulation 14A within 120 days after the
Company's year end for the year covered by this report, under the caption
"Security Ownership of Certain Beneficial Owners and Management" in the 
proxy statement.


ITEM 12.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.

     The information provided by Item 12 of Form 10-KSB is hereby
incorporated by reference from the Company's definitive proxy statement,
which will be filed pursuant to Regulation 14A within 120 days after the
Company's year end for the year covered by this report, under the caption
"Transactions with Management" in the proxy statement.


ITEM 13.  EXHIBITS.

Item 13  (a).   The following is a list of exhibits to this Form 10-KSB:

                3.1   Restated Articles of Incorporation as of July 31,
                      1986, filed as Exhibit 3(a) to the Company's
                      Registration Statement on Form 10 (Registration 
                      No. 0-14908), filed with the Commission and
                      incorporated herein by reference.

                3.2   Certificate of Amendment to the Company's Restated
                      Articles of Incorporation, as of July 5, 1988, filed 
                      as Exhibit 3.2 to the Company's Annual Report on Form
                      10-K for the fiscal year ended December 31, 1988, and
                      incorporated herein by reference.

                3.3   First Amended Bylaws of the Company as amended, filed
                      as Exhibit 3.2 to the Company's annual report on Form
                      10-K for the fiscal year ended December 31, 1987, and
                      incorporated herein by reference.

                3.4   Amendment to the Company's First Amended Bylaws as   
                      adopted by the Board of Directors on March 7, 1988,  
                      filed as Exhibit 3.3 to the Company's Annual Report     
                      on Form 10-K for the fiscal year ended December 31,     
                      1987, and incorporated herein by reference.

                4.1   Statement of Resolution Establishing Series of 
                      Preferred Stock of TGC Industries, Inc. filed with      
                      the Secretary of State of Texas on July 16, 1993,
                      filed as Exhibit 2 to the Company's Current Report on   
                      Form 8-K dated August 11, 1993, and incorporated        
                      herein by reference.

                4.2   Statement of Resolution Establishing Series C 8%
                      Convertible Exchangeable Preferred Stock of TGC 
                      Industries, Inc. as filed with the Secretary of State
                      of Texas on July 9, 1996, filed as Exhibit B to the  
                      Company's current report on Form 8-K dated July 11,  
                      1996, filed with the Commission and incorporated        
                      herein by reference.

                4.3   Form of Debenture Agreement and Debenture for 8%
                      Subordinated Convertible Debentures, Series A, filed    
                      as Exhibit 4.2 to the Company's Registration            
                      Statement on Form SB-2 (Registration No. 333-12269),    
                      as amended, filed with the Commission and               
                      incorporated herein by reference.

                4.4   Form of Warrant Agreement dated July 28, 1995, as
                      amended, and Warrant, filed as Exhibit 4.3 to the
                      Company's Registration Statement on Form SB-2
                      (Registration No. 333-12269), as amended, filed with 
                      the Commission and incorporated herein by reference.

               10.1   Service Mark License Agreement dated as of July 31,  
                      1986, between the Company and Supreme Industries,
                      Inc. (formerly ESI Industries, Inc.), relating to
                      the use of the Company's logo, filed as Exhibit 10(b)
                      to the Company's Registration Statement on Form 10 
                      (Registration No. 0-14908), filed with the Commission   
                      and incorporated herein by reference.

               10.2   The Company's 1986 Incentive and Nonqualified Stock  
                      Option Plan, filed as Exhibit 10(c) to the Company's 
                      Registration Statement on Form 10 (Registration No.  
                      0-14908), filed with the Commission and incorporated 
                      herein by reference.

               10.3   Amendment Number One to the Company's 1986 Incentive 
                      and Nonqualified Stock Option Plan as adopted by the 
                      Board of Directors on May 1, 1987, filed as Exhibit  
                      10.4 to the Company's annual report on Form 10-K for 
                      the fiscal year ended December 31, 1987, and         
                      incorporated herein by reference.

               10.4   The Company's 1993 Stock Option Plan as adopted by
                      the Board of Directors on June 3, 1993, filed as        
                      Exhibit 10.4 to the Company's Registration Statement    
                      on Form S-2 (Registration No. 33-73216), filed
                      with the Commission and incorporated by reference.

               10.5   Master Contract for Geophysical Services-Onshore 
                      dated April 18, 1990 between Marathon Oil Co. and the   
                      Company together with a form of Supplementary           
                      Agreement thereto, filed as Exhibit 10.8 to the         
                      Company's Registration Statement on Form S-2
                      (Registration No. 33-73216), filed with the
                      Commission and incorporated herein by reference.

               10.6   Agreement for Geophysical Services dated May 19,
                      1992, between DLB Oil & Gas, Inc. and the Company
                      together with a form of Supplementary Agreement
                      thereto, filed as Exhibit 10.9 to the Company's
                      Registration Statement on Form S-2 (Registration No.
                      33-73216), filed with the Commission and incorporated
                      herein by reference.




               10.7   Agreement for Spin-off of Subsidiary Stock filed as  
                      Exhibit 1 to the Company's Form 8-K filed with the   
                      Commission on August 9, 1996 and incorporated herein    
                      by reference.


               10.8   Bill of Sale dated July 31, 1996 between TGC
                      Industries, Inc. and Chase Packaging Corporation,
                      filed as Exhibit 10.8 to the Company's annual report
                      on Form 10-KSB for the fiscal year ended December 31,
                      1996, and incorporated herein by reference.

               27.    Financial Data Schedule.



                             SIGNATURES

In accordance with Section 13 or 15(d) of the Exchange Act, the registrant
caused this report to be signed on its behalf by the undersigned, thereunto
duly authorized.

                              TGC INDUSTRIES, INC.


Date:  March 23, 1998   By:   /s/ Robert J. Campbell
                              Robert J. Campbell
                              Vice Chairman of the Board,
                              (Principal Executive Officer)



In accordance with the Exchange Act, this report has been signed below by the
following persons on behalf of the registrant and in the capacities and on
the dates indicated.


Date:  March 23, 1998  By:  /s/ Allen T. McInnes
                            Allen T. McInnes
                            Chairman of the Board
                            and Secretary
                            
Date:  March 23, 1998  By:  /s/ Robert J. Campbell
                            Robert J. Campbell
                            Vice-Chairman of the Board,
                           (Principal Executive Officer)
                            and Director
                            
Date:  March 23, 1998  By:  /s/ Wayne A. Whitener
                            Wayne A. Whitener
                            President, Chief Operating Officer
                            and Director
                            
Date:  March 23, 1998  By:  /s/ Kenneth Uselton
                            Kenneth Uselton
                            (Principal Financial and
                            Accounting Officer)
                            
Date:  March 23, 1998  By:  /s/ William J. Barrett
                            William J. Barrett
                            Director
                            
Date:  March 23, 1998  By:  /s/ Herbert M. Gardner
                            Herbert M. Gardner
                            Director

H:\DOCS6\T9140\001\4472.1

<TABLE> <S> <C>


<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                         120,535
<SECURITIES>                                         0
<RECEIVABLES>                                2,501,882
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                             2,927,046
<PP&E>                                      10,866,373
<DEPRECIATION>                               3,258,778
<TOTAL-ASSETS>                              10,569,873
<CURRENT-LIABILITIES>                        5,174,933
<BONDS>                                      1,664,947
<COMMON>                                       657,132
                                0
                                  1,129,350
<OTHER-SE>                                   1,943,511
<TOTAL-LIABILITY-AND-EQUITY>                10,569,873
<SALES>                                              0
<TOTAL-REVENUES>                            16,307,577
<CGS>                                                0
<TOTAL-COSTS>                               14,048,852
<OTHER-EXPENSES>                               920,528
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             202,158
<INCOME-PRETAX>                                680,399
<INCOME-TAX>                                 (170,000)
<INCOME-CONTINUING>                            850,399
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   850,399
<EPS-PRIMARY>                                     0.13
<EPS-DILUTED>                                     0.09
        

</TABLE>


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