<SEC-DOCUMENT>0000892712-15-000281-index.html : 20150213
<SEC-HEADER>0000892712-15-000281.hdr.sgml : 20150213
<ACCEPTANCE-DATETIME>20150213111229
ACCESSION NUMBER:		0000892712-15-000281
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150213
DATE AS OF CHANGE:		20150213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNIT CORP
		CENTRAL INDEX KEY:			0000798949
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				731283193
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-38944
		FILM NUMBER:		15611001

	BUSINESS ADDRESS:	
		STREET 1:		1000 KENSINGTON TOWER
		STREET 2:		7130 SO LEWIS STE 1000
		CITY:			TULSA
		STATE:			OK
		ZIP:			74136
		BUSINESS PHONE:		9184937700

	MAIL ADDRESS:	
		STREET 1:		1000 KENSINGTON TOWER
		STREET 2:		7130 SO LEWIS STE 1000
		CITY:			TULSA
		STATE:			OK
		ZIP:			74136

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEARTLAND ADVISORS INC
		CENTRAL INDEX KEY:			0000937394
		IRS NUMBER:				391078128
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		789 N WATER STREET
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
		BUSINESS PHONE:		414-347-7777

	MAIL ADDRESS:	
		STREET 1:		789 N WATER STREET
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>heartlandunit13ga.htm
<DESCRIPTION>AMENDMENT NO. 2 TO SCHEDULE 13G
<TEXT>
Document 1 - file: heartlandunit13ga.htm
</DOCUMENT> </SEC-DOCUMENT>