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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>9999999997-07-046403.txt : 20071031
<SEC-HEADER>9999999997-07-046403.hdr.sgml : 20071030
<ACCEPTANCE-DATETIME>20071031154205
<PAPER>
ACCESSION NUMBER:		9999999997-07-046403
CONFORMED SUBMISSION TYPE:	REGDEX/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		
FILED AS OF DATE:		20071029
DATE AS OF CHANGE:		20071031
EFFECTIVENESS DATE:		20071029

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Natural Gas Partners IX LP
		CENTRAL INDEX KEY:			0001408123
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		REGDEX/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	021-106712
		FILM NUMBER:		07081821

	BUSINESS ADDRESS:	
		STREET 1:		125 East John Capenter Fwy.
		STREET 2:		Suite 600
		CITY:			Irving
		STATE:			TX
		ZIP:			75062

	MAIL ADDRESS:	
		STREET 1:		125 East John Capenter Fwy.
		STREET 2:		Suite 600
		CITY:			Irving
		STATE:			TX
		ZIP:			75062
</SEC-HEADER>
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<TYPE>REGDEX/A
<SEQUENCE>1
<FILENAME>9999999997-07-046403.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
<TEXT>
This document was generated as part of a paper submission.
Please reference the Document Control Number 07081821 for access to the original document.
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