<SEC-DOCUMENT>0001564590-18-008802-index.html : 20180424
<SEC-HEADER>0001564590-18-008802.hdr.sgml : 20180424
<ACCEPTANCE-DATETIME>20180424072424
ACCESSION NUMBER:		0001564590-18-008802
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180424
DATE AS OF CHANGE:		20180424
EFFECTIVENESS DATE:		20180424

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:		18770108

	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_20180614.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: pten-defa14a_20180614.htm

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g2018042100343908716652.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g2018042100343908716652.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g2018042100343906816651.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g2018042100343906816651.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g2018042100343904516650.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g2018042100343904516650.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g2018042100343902416649.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g2018042100343902416649.jpg

</DOCUMENT>
</SEC-DOCUMENT>