-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MC6rB7bPdLe5PMUgJs7G4BngXeShzaihFA/9jJzXqG9PzUrZw9o1PiZ5Pojd9gbF
 s/a392mEusdn16usXG9WEg==

<SEC-DOCUMENT>0001104659-05-017018.txt : 20050419
<SEC-HEADER>0001104659-05-017018.hdr.sgml : 20050419
<ACCEPTANCE-DATETIME>20050419132950
ACCESSION NUMBER:		0001104659-05-017018
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20050414
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20050419
DATE AS OF CHANGE:		20050419

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TGC INDUSTRIES INC
		CENTRAL INDEX KEY:			0000799165
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL AND GAS FIELD EXPLORATION SERVICES [1382]
		IRS NUMBER:				742095844
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32472
		FILM NUMBER:		05758751

	BUSINESS ADDRESS:	
		STREET 1:		1304 SUMMIT AVE STE 2
		CITY:			PLANO
		STATE:			TX
		ZIP:			75074
		BUSINESS PHONE:		9728811099

	MAIL ADDRESS:	
		STREET 1:		1304 SUMMIT AVE
		STREET 2:		STE 2
		CITY:			PLANO
		STATE:			TX
		ZIP:			75074
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a05-6947_18k.htm
<DESCRIPTION>8-K
<TEXT>
<html>

<head>





</head>

<body lang="EN-US" link="blue" vlink="purple">

<div style="font-family:Times New Roman;">

<div style="border:none;border-top:double windowtext 9.0pt;padding:0in 0in 0in 0in;">

<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington,
D.C.&#160; 20549</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">PURSUANT TO SECTION&nbsp;13 OR 15(d)&nbsp;OF THE</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">SECURITIES EXCHANGE ACT OF 1934</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">DATE OF REPORT
(DATE OF EARLIEST EVENT REPORTED):</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">April&nbsp;14,
2005</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">TGC INDUSTRIES, INC.</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of
registrant as specified in its charter)</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Texas</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">0-14908</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">74-2095844</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State of
  incorporation)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission File
  No.)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(IRS Employer
  Identification No.)</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">1304
Summit Ave., Ste 2</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Plano,
TX&#160; 75074</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of
principal executive offices) (Zip Code)</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Registrant&#146;s
telephone number, including area code:&#160; <b><font style="font-weight:bold;">(972) 881-1099</font></b></font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box
below if the Form&nbsp;8-K filing is intended to simultaneously satisfy
the filing obligation of the registrant under any of the following provisions (<i><font style="font-style:italic;">see </font></i>General Instruction A.2. below):</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;&#160;&#160; Written communications pursuant to Rule&nbsp;425
under the Securities Act (17 CFR 230.425)</p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;&#160;&#160; Soliciting material pursuant to Rule&nbsp;14a-12
under the Exchange Act (17 CFR 240.14a-12)</p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;&#160;&#160; Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under
the Exchange Act (17 CFR 240.14d-2(b))</p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;&#160;&#160; Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under
the Exchange Act (17 CFR 240.13e-4(c))</p>

<div style="border:none;border-bottom:double windowtext 9.0pt;padding:0in 0in 0in 0in;">

<p style="border:none;margin:0in 0in .0001pt;padding:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

</div>
<!-- SEQ.=1,FOLIO='',FILE='C:\JMS\jmathew\05-6947-1\task400744\6947-1-ba.htm',USER='jmathew',CD='Apr 19 21:19 2005' -->


<br clear="all" style="page-break-before:always;">


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section 8 &#150; Other&#160; Events</font></b></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 8.01&#160; Other Events.</font></b></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On
April&nbsp;14, 2005, TGC Industries,&nbsp;Inc.&#160;
(&#147;TGC&#148; or the &#147;Company&#148;) issued a press release announcing the approval
for listing of the Company&#146;s Common Stock on the American Stock Exchange.&#160;&#160; A copy of this press release is being
furnished as Exhibit&nbsp;99.1 to this Current Report on Form&nbsp;8-K.</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;9 &#150; Financial
Statements and Exhibits</font></b></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 9.01&#160; Financial Statements and Exhibits.</font></b></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibits.</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;text-indent:1.0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The following exhibits are furnished with this Form&nbsp;8-K:</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt 1.5in;text-autospace:none;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font><font size="1" face="Times New Roman" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" face="Times New Roman" style="font-size:10.0pt;">Press release of the Company dated April&nbsp;14,
2005.</font></p>

<p style="margin:0in 0in .0001pt 1.5in;text-autospace:none;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt 1.5in;text-autospace:none;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-indent:0in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned hereunto duly authorized.</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="51%" valign="top" style="padding:0in 0in 0in 0in;width:51.08%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.92%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">TGC INDUSTRIES, INC.</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="51%" valign="top" style="padding:0in 0in 0in 0in;width:51.08%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.92%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="51%" valign="top" style="padding:0in 0in 0in 0in;width:51.08%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.92%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="51%" valign="top" style="padding:0in 0in 0in 0in;width:51.08%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date: April&nbsp;14, 2005</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="45%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:45.24%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Wayne A. Whitener</font></p>
  </td>
 </tr>
 <tr>
  <td width="51%" valign="top" style="padding:0in 0in 0in 0in;width:51.08%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="45%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:45.24%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Wayne A. Whitener</font></p>
  </td>
 </tr>
 <tr>
  <td width="51%" valign="top" style="padding:0in 0in 0in 0in;width:51.08%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="45%" valign="top" style="padding:0in 0in 0in 0in;width:45.24%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">President and CEO</font></p>
  </td>
 </tr>
 <tr>
  <td width="51%" valign="top" style="padding:0in 0in 0in 0in;width:51.08%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="45%" valign="top" style="padding:0in 0in 0in 0in;width:45.24%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="51%" valign="top" style="padding:0in 0in 0in 0in;width:51.08%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="45%" valign="top" style="padding:0in 0in 0in 0in;width:45.24%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Signing on behalf of the Registrant and as
  Principal<br>
  Executive Officer)</font></p>
  </td>
 </tr>
</table>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>

<div style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

</div>
<!-- SEQ.=1,FOLIO='2',FILE='C:\JMS\jmathew\05-6947-1\task400744\6947-1-ba.htm',USER='jmathew',CD='Apr 19 21:19 2005' -->


<br clear="all" style="page-break-before:always;">


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-indent:0in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EXHIBIT&nbsp;INDEX</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="8%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:8.34%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Exhibit&nbsp;No.</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.76%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="88%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:88.92%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Description</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:8.34%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.76%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="88%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:88.92%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0in 0in 0in 0in;width:8.34%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.76%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.92%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Press release of the Company dated April&nbsp;14,
  2005.</font></p>
  </td>
 </tr>
</table>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>

<div style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

</div>
<!-- SEQ.=1,FOLIO='3',FILE='C:\JMS\jmathew\05-6947-1\task400744\6947-1-ba.htm',USER='jmathew',CD='Apr 19 21:19 2005' -->


</body>

</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a05-6947_1ex99d1.htm
<DESCRIPTION>EX-99.1
<TEXT>
<html>

<head>





</head>

<body lang="EN-US" link="blue" vlink="purple">

<div>

<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit
99.1</font></b></p>

<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="26%" valign="top" style="padding:0in 0in 0in 0in;width:26.92%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">NEWS RELEASE</font></i></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.4%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="12%" valign="top" style="padding:0in 0in 0in 0in;width:12.66%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">CONTACTS:</font></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.0%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">Wayne Whitener</font></b></h3>
  </td>
 </tr>
 <tr>
  <td width="26%" valign="top" style="padding:0in 0in 0in 0in;width:26.92%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">&nbsp;</font></i></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.4%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="12%" valign="top" style="padding:0in 0in 0in 0in;width:12.66%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.0%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">&nbsp;</font></b></h3>
  </td>
 </tr>
 <tr>
  <td width="26%" valign="top" style="padding:0in 0in 0in 0in;width:26.92%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.4%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="12%" valign="top" style="padding:0in 0in 0in 0in;width:12.66%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.0%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">Chief
  Executive Officer</font></b></h3>
  </td>
 </tr>
 <tr>
  <td width="26%" valign="top" style="padding:0in 0in 0in 0in;width:26.92%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.4%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="12%" valign="top" style="padding:0in 0in 0in 0in;width:12.66%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.0%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">TGC Industries (972) 881-1099</font></b></h3>
  </td>
 </tr>
 <tr>
  <td width="26%" valign="top" style="padding:0in 0in 0in 0in;width:26.92%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.4%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="12%" valign="top" style="padding:0in 0in 0in 0in;width:12.66%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h3>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.0%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h3>
  </td>
 </tr>
 <tr>
  <td width="26%" valign="top" style="padding:0in 0in 0in 0in;width:26.92%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.4%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="12%" valign="top" style="padding:0in 0in 0in 0in;width:12.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Jack Lascar, Partner</font></p>
  </td>
 </tr>
 <tr>
  <td width="57%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:57.34%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">FOR IMMEDIATE RELEASE</font></b></p>
  </td>
  <td width="12%" valign="top" style="padding:0in 0in 0in 0in;width:12.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Karen Roan, SVP</font></p>
  </td>
 </tr>
 <tr>
  <td width="26%" valign="top" style="padding:0in 0in 0in 0in;width:26.92%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.4%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="12%" valign="top" style="padding:0in 0in 0in 0in;width:12.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.0%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">DRG&amp;E (713) 529-6600</font></b></p>
  </td>
 </tr>
</table>

<p align="center" style="font-style:italic;margin:0in 0in .0001pt;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></i></p>

<p align="center" style="font-style:italic;margin:0in 0in .0001pt;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;">TGC INDUSTRIES IS APPROVED FOR LISTING ON</font></i></p>

<p align="center" style="font-style:italic;margin:0in 0in .0001pt;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;">THE AMERICAN STOCK EXCHANGE</font></i></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">HOUSTON, Texas &#150; APRIL
14, 2005 &#150; TGC Industries, Inc. (OTC: TGCI) announced today that the Company&#146;s
common stock has been approved for listing on the American Stock Exchange
(AMEX). This approval is contingent upon the Company being in compliance with
all applicable listing standards on the date it begins trading on the Exchange,
and may be rescinded if the Company is not in compliance with such standards.</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">TGC expects that its stock will begin trading on the
AMEX on Monday, April 18, 2005 under the symbol TGE. Currently, TGC common
stock trades on the NASDAQ Over-The-Counter Bulletin Board.</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Wayne Whitener, President and CEO of TGC Industries,
said, &#147;We are very pleased to be listed on the AMEX. AMEX listing is an
important step forward for TGC Industries and its shareholders. In addition to
increasing our visibility with the financial community, our industry, and among
our current and potential customers, we expect the AMEX listing to increase
liquidity in our shares as we strive to execute on our growth strategy.&#148;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">TGC,
based in Plano, Texas, is a geophysical service company which primarily
provides 3-D seismic services to oil and gas companies. It also maintains a
geophysical gravity data bank.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This
press release includes &#147;forward-looking statements&#148; within the meaning of
section 27A of the Securities Act of 1933, as amended, and section 21E of the
Securities Exchange Act of 1934, as amended. All statements other than
statements of historical fact included in this press release regarding the
Company&#146;s stock liquidity, strategies and plans for growth are forward looking
statements. Although management believes that the expectations reflected in
such forward-looking statements are reasonable, it can give no assurance that
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&#146;s Securities and Exchange Commission filings, and include, but
are not limited to, the dependence upon energy industry spending for seismic
services, the unpredictable nature of forecasting weather, the potential for
contract delay or cancellation, the potential for fluctuations in oil and gas
prices, and the availability of capital resources. The forward-looking
statements contained herein reflect the current views of the Company&#146;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.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">##</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

</div>
<!-- SEQ.=1,FOLIO='',FILE='C:\JMS\jmathew\05-6947-1\task400744\6947-1-mm.htm',USER='jmathew',CD='Apr 19 21:18 2005' -->


</body>

</html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
