<SEC-DOCUMENT>0001104659-21-139708-index.html : 20211116
<SEC-HEADER>0001104659-21-139708.hdr.sgml : 20211116
<ACCEPTANCE-DATETIME>20211116084726
ACCESSION NUMBER:		0001104659-21-139708
CONFORMED SUBMISSION TYPE:	SC 14D9/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20211116
DATE AS OF CHANGE:		20211116

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DAWSON GEOPHYSICAL CO
		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:		SC 14D9/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-37717
		FILM NUMBER:		211414218

	BUSINESS ADDRESS:	
		STREET 1:		508 WEST WALL
		STREET 2:		SUITE 800
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
		BUSINESS PHONE:		4326843000

	MAIL ADDRESS:	
		STREET 1:		508 WEST WALL
		STREET 2:		SUITE 800
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TGC INDUSTRIES INC
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DAWSON GEOPHYSICAL CO
		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:		SC 14D9/A

	BUSINESS ADDRESS:	
		STREET 1:		508 WEST WALL
		STREET 2:		SUITE 800
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
		BUSINESS PHONE:		4326843000

	MAIL ADDRESS:	
		STREET 1:		508 WEST WALL
		STREET 2:		SUITE 800
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TGC INDUSTRIES INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 14D9/A
<SEQUENCE>1
<FILENAME>tm2133072d1_sc14d9a.htm
<DESCRIPTION>SC 14D9/A
<TEXT>
Document 1 - file: tm2133072d1_sc14d9a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(10)
<SEQUENCE>2
<FILENAME>tm2133072d1_ex99-a10.htm
<DESCRIPTION>EXHIBIT 99.(A)(10)
<TEXT>
Document 2 - file: tm2133072d1_ex99-a10.htm

</DOCUMENT>
</SEC-DOCUMENT>