<SEC-DOCUMENT>0001084991-17-000058-index.html : 20170907
<SEC-HEADER>0001084991-17-000058.hdr.sgml : 20170907
<ACCEPTANCE-DATETIME>20170906183238
ACCESSION NUMBER:		0001084991-17-000058
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20170831
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20170907
DATE AS OF CHANGE:		20170906

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATURAL GAS SERVICES GROUP INC
		CENTRAL INDEX KEY:			0001084991
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				752811855
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31398
		FILM NUMBER:		171072418

	BUSINESS ADDRESS:	
		STREET 1:		508 WEST WALL STREET
		STREET 2:		SUITE 550
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
		BUSINESS PHONE:		432-262-2700

	MAIL ADDRESS:	
		STREET 1:		508 WEST WALL STREET
		STREET 2:		SUITE 550
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a8kchase2017.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a8kchase2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>fourthamendmentofsecuritya.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
Document 2 - file: fourthamendmentofsecuritya.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.2
<SEQUENCE>3
<FILENAME>fifthamendmentofcreditagre.htm
<DESCRIPTION>EXHIBIT 10.2
<TEXT>
Document 3 - file: fifthamendmentofcreditagre.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.3
<SEQUENCE>4
<FILENAME>promissorynote.htm
<DESCRIPTION>EXHIBIT 10.3
<TEXT>
Document 4 - file: promissorynote.htm

</DOCUMENT>
</SEC-DOCUMENT>