<SEC-DOCUMENT>0001512590-19-000001-index.html : 20190318
<SEC-HEADER>0001512590-19-000001.hdr.sgml : 20190318
<ACCEPTANCE-DATETIME>20190318124033
ACCESSION NUMBER:		0001512590-19-000001
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190318
DATE AS OF CHANGE:		20190318

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78868
		FILM NUMBER:		19687492

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Oslo Asset Management AS
		CENTRAL INDEX KEY:			0001512590
		IRS NUMBER:				986221530
		STATE OF INCORPORATION:			Q8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		HENRIK IBSENS GATE 20
		CITY:			OSLO
		STATE:			Q8
		ZIP:			0255
		BUSINESS PHONE:		47-24130071

	MAIL ADDRESS:	
		STREET 1:		HENRIK IBSENS GATE 20
		CITY:			OSLO
		STATE:			Q8
		ZIP:			0255

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Oslo Asset Management ASA
		DATE OF NAME CHANGE:	20110209
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>SC13GA_NGS12312018.txt
<DESCRIPTION>ANNUAL AMENDMENT
<TEXT>
Document 1 - file: SC13GA_NGS12312018.txt

</DOCUMENT>
</SEC-DOCUMENT>