<SEC-DOCUMENT>0001564590-17-011240-index.html : 20170518
<SEC-HEADER>0001564590-17-011240.hdr.sgml : 20170518
<ACCEPTANCE-DATETIME>20170518060554
ACCESSION NUMBER:		0001564590-17-011240
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20170518
DATE AS OF CHANGE:		20170518
EFFECTIVENESS DATE:		20170518

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:		17853424

	BUSINESS ADDRESS:	
		STREET 1:		10713 WEST SAM HOUSTON PARKWAY NORTH
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77064
		BUSINESS PHONE:		2817657100

	MAIL ADDRESS:	
		STREET 1:		10713 WEST SAM HOUSTON PARKWAY NORTH
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77064

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PATTERSON ENERGY INC
		DATE OF NAME CHANGE:	19940228
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>pten-defa14a_20170512.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: pten-defa14a_20170512.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g201705162326004891711.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g201705162326004891711.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g201705162326004641710.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g201705162326004641710.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g201705162326005301713.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g201705162326005301713.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g201705162326005111712.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g201705162326005111712.jpg

</DOCUMENT>
</SEC-DOCUMENT>