<SEC-DOCUMENT>0001084991-18-000064-index.html : 20181113
<SEC-HEADER>0001084991-18-000064.hdr.sgml : 20181113
<ACCEPTANCE-DATETIME>20181113161808
ACCESSION NUMBER:		0001084991-18-000064
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20181113
DATE AS OF CHANGE:		20181113

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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228350
		FILM NUMBER:		181178204

	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>S-3
<SEQUENCE>1
<FILENAME>s-3111218.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: s-3111218.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>ngs-formsx3xexhibit41senio.htm
<DESCRIPTION>EXHIBIT 4.1
<TEXT>
Document 2 - file: ngs-formsx3xexhibit41senio.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>3
<FILENAME>ngs-formsx3xexhibit43subor.htm
<DESCRIPTION>EXHIBIT 4.3
<TEXT>
Document 3 - file: ngs-formsx3xexhibit43subor.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>a2018shelfs-3xexhibit51xle.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 4 - file: a2018shelfs-3xexhibit51xle.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>bdoconsent.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 5 - file: bdoconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>a2018shelfs3exhibit51_image1.gif
<TEXT>
Document 6 - file: a2018shelfs3exhibit51_image1.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>ngslogo1a31.jpg
<TEXT>
Document 7 - file: ngslogo1a31.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ngslogo1a32.jpg
<TEXT>
Document 8 - file: ngslogo1a32.jpg

</DOCUMENT>
</SEC-DOCUMENT>