<SEC-DOCUMENT>0001193125-15-135772-index.html : 20150417
<SEC-HEADER>0001193125-15-135772.hdr.sgml : 20150417
<ACCEPTANCE-DATETIME>20150417161234
ACCESSION NUMBER:		0001193125-15-135772
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20150417
DATE AS OF CHANGE:		20150417
EFFECTIVENESS DATE:		20150417

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PATTERSON UTI ENERGY INC
		CENTRAL INDEX KEY:			0000889900
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				752504748
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22664
		FILM NUMBER:		15778210

	BUSINESS ADDRESS:	
		STREET 1:		4510 LAMESA HWY
		STREET 2:		P O DRAWER 1416
		CITY:			SNYDER
		STATE:			TX
		ZIP:			79549
		BUSINESS PHONE:		9155731104

	MAIL ADDRESS:	
		STREET 1:		P O DRAWER 1416
		CITY:			SNYDER
		STATE:			TX
		ZIP:			79550

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PATTERSON ENERGY INC
		DATE OF NAME CHANGE:	19940228
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d864560ddefa14a.htm
<DESCRIPTION>DEFA 14A
<TEXT>
Document 1 - file: d864560ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g864560image001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g864560image001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g864560img2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g864560img2.jpg

</DOCUMENT>
</SEC-DOCUMENT>