<SEC-DOCUMENT>0001193125-18-027615-index.html : 20180131
<SEC-HEADER>0001193125-18-027615.hdr.sgml : 20180131
<ACCEPTANCE-DATETIME>20180131171203
ACCESSION NUMBER:		0001193125-18-027615
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20180131
DATE AS OF CHANGE:		20180131
GROUP MEMBERS:		KEITH MEISTER
GROUP MEMBERS:		VINCENT J. INTRIERI

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENERGEN CORP
		CENTRAL INDEX KEY:			0000277595
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				630757759
		STATE OF INCORPORATION:			AL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-34699
		FILM NUMBER:		18563600

	BUSINESS ADDRESS:	
		STREET 1:		605 RICHARD ARRINGTON JR BLVD N
		CITY:			BIRMINGHAM
		STATE:			AL
		ZIP:			35203-2707
		BUSINESS PHONE:		2053262997

	MAIL ADDRESS:	
		STREET 1:		605 RICHARD ARRINGTON JR BLVD N
		CITY:			BIRMINGHAM
		STATE:			AL
		ZIP:			35203

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALAGASCO INC
		DATE OF NAME CHANGE:	19851002

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Corvex Management LP
		CENTRAL INDEX KEY:			0001535472
		IRS NUMBER:				274190685
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		667 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065
		BUSINESS PHONE:		(212) 474 6700

	MAIL ADDRESS:	
		STREET 1:		667 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>d532541dsc13da.htm
<DESCRIPTION>AMENDMENT NO. 9 TO SCHEDULE 13D
<TEXT>
Document 1 - file: d532541dsc13da.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.10
<SEQUENCE>2
<FILENAME>d532541dex9910.htm
<DESCRIPTION>EXHIBIT 10
<TEXT>
Document 2 - file: d532541dex9910.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.11
<SEQUENCE>3
<FILENAME>d532541dex9911.htm
<DESCRIPTION>EXHIBIT 11
<TEXT>
Document 3 - file: d532541dex9911.htm

</DOCUMENT>
</SEC-DOCUMENT>