<SEC-DOCUMENT>0001564590-19-011503-index.html : 20190412
<SEC-HEADER>0001564590-19-011503.hdr.sgml : 20190412
<ACCEPTANCE-DATETIME>20190412161229
ACCESSION NUMBER:		0001564590-19-011503
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20190412
DATE AS OF CHANGE:		20190412
EFFECTIVENESS DATE:		20190412

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:		19746422

	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_20181231.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: pten-defa14a_20181231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>gfno2w14ujgk000002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: gfno2w14ujgk000002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>gfno2w14ujgk000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: gfno2w14ujgk000001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>gfno2w14ujgk000003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: gfno2w14ujgk000003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>gfno2w14ujgk000004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: gfno2w14ujgk000004.jpg

</DOCUMENT>
</SEC-DOCUMENT>