<SEC-DOCUMENT>0000930413-18-000460-index.html : 20180214
<SEC-HEADER>0000930413-18-000460.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214121806
ACCESSION NUMBER:		0000930413-18-000460
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Chaparral Energy, Inc.
		CENTRAL INDEX KEY:			0001346980
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				731590941
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-90375
		FILM NUMBER:		18609667

	BUSINESS ADDRESS:	
		STREET 1:		701 CEDAR LAKE BOULEVARD
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73114
		BUSINESS PHONE:		(405) 478-8770

	MAIL ADDRESS:	
		STREET 1:		701 CEDAR LAKE BOULEVARD
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73114

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LORD, ABBETT & CO. LLC
		CENTRAL INDEX KEY:			0000728100
		IRS NUMBER:				135620131
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		90 HUDSON STREET
		STREET 2:		10TH FLOOR
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07302
		BUSINESS PHONE:		201-395-2000

	MAIL ADDRESS:	
		STREET 1:		90 HUDSON STREET
		STREET 2:		10TH FLOOR
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07302

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LORD ABBETT & CO LLC
		DATE OF NAME CHANGE:	20050608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LORD ABBETT & CO
		DATE OF NAME CHANGE:	19940808
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>c90503_sc13g.htm
<TEXT>
Document 1 - file: c90503_sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>