<SEC-DOCUMENT>0001193125-19-286718-index.html : 20191107
<SEC-HEADER>0001193125-19-286718.hdr.sgml : 20191107
<ACCEPTANCE-DATETIME>20191107090353
ACCESSION NUMBER:		0001193125-19-286718
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		15
FILED AS OF DATE:		20191107
DATE AS OF CHANGE:		20191107
EFFECTIVENESS DATE:		20191107

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-234555
		FILM NUMBER:		191198331

	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>S-3ASR
<SEQUENCE>1
<FILENAME>d811107ds3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: d811107ds3asr.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.6 <SEQUENCE>2 <FILENAME>d811107dex46.htm <DESCRIPTION>EX-4.6 <TEXT> Document 2 - file: d811107dex46.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>3 <FILENAME>d811107dex51.htm <DESCRIPTION>EX-5.1 <TEXT> Document 3 - file: d811107dex51.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>4 <FILENAME>d811107dex231.htm <DESCRIPTION>EX-23.1 <TEXT> Document 4 - file: d811107dex231.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-25.1 <SEQUENCE>5 <FILENAME>d811107dex251.htm <DESCRIPTION>EX-25.1 <TEXT> Document 5 - file: d811107dex251.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g811107g05b72.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g811107g05b72.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g811107g16x60.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g811107g16x60.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g811107g17h50.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g811107g17h50.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g811107g20o89.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g811107g20o89.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g811107g21x07.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g811107g21x07.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g811107g23p10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g811107g23p10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g811107g25v15.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g811107g25v15.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g811107g28z44.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g811107g28z44.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g811107g41h73.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g811107g41h73.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g811107g65b38.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g811107g65b38.jpg
</DOCUMENT> </SEC-DOCUMENT>