<SEC-DOCUMENT>0001193125-18-104949-index.html : 20180402
<SEC-HEADER>0001193125-18-104949.hdr.sgml : 20180402
<ACCEPTANCE-DATETIME>20180402170056
ACCESSION NUMBER:		0001193125-18-104949
CONFORMED SUBMISSION TYPE:	NT 10-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180402
DATE AS OF CHANGE:		20180402
EFFECTIVENESS DATE:		20180402

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PRIMEENERGY CORP
		CENTRAL INDEX KEY:			0000056868
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				840637348
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		NT 10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-07406
		FILM NUMBER:		18729862

	BUSINESS ADDRESS:	
		STREET 1:		9821 KATY FREEWAY
		STREET 2:		SUITE 1050
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024
		BUSINESS PHONE:		2033585700

	MAIL ADDRESS:	
		STREET 1:		9821 KATY FREEWAY
		STREET 2:		SUITE 1050
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KRM PETROLEUM CORP
		DATE OF NAME CHANGE:	19900614
</SEC-HEADER>
<DOCUMENT>
<TYPE>NT 10-K
<SEQUENCE>1
<FILENAME>d559610dnt10k.htm
<DESCRIPTION>NT 10-K
<TEXT>
Document 1 - file: d559610dnt10k.htm

</DOCUMENT>
</SEC-DOCUMENT>