    <SEC-DOCUMENT>0000950123-18-007190-index.html : 20180731
    <SEC-HEADER>0000950123-18-007190.hdr.sgml : 20180731
    <ACCEPTANCE-DATETIME>20180731160514
    ACCESSION NUMBER:		0000950123-18-007190
    CONFORMED SUBMISSION TYPE:	S-4
    PUBLIC DOCUMENT COUNT:		23
    FILED AS OF DATE:		20180731
    DATE AS OF CHANGE:		20180731

    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-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-226453
    		FILM NUMBER:		18981144

    	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-4
    <SEQUENCE>1
    <FILENAME>pten-s4.htm
    <DESCRIPTION>FORM S-4
    <TEXT>
    Document 1 - file: pten-s4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5
    <SEQUENCE>2
    <FILENAME>pten-ex51_13.htm
    <DESCRIPTION>EX-5.1
    <TEXT>
    Document 2 - file: pten-ex51_13.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-12
    <SEQUENCE>3
    <FILENAME>pten-ex121_12.htm
    <DESCRIPTION>EX-12.1
    <TEXT>
    Document 3 - file: pten-ex121_12.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23
    <SEQUENCE>4
    <FILENAME>pten-ex231_11.htm
    <DESCRIPTION>EX-23.1
    <TEXT>
    Document 4 - file: pten-ex231_11.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23
    <SEQUENCE>5
    <FILENAME>pten-ex232_10.htm
    <DESCRIPTION>EX-23.2
    <TEXT>
    Document 5 - file: pten-ex232_10.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25
    <SEQUENCE>6
    <FILENAME>pten-ex251_9.htm
    <DESCRIPTION>EX-25.1
    <TEXT>
    Document 6 - file: pten-ex251_9.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>7
    <FILENAME>pten-ex991_14.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 7 - file: pten-ex991_14.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>8
    <FILENAME>pten-ex992_8.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 8 - file: pten-ex992_8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>9
    <FILENAME>pten-ex993_6.htm
    <DESCRIPTION>EX-99.3
    <TEXT>
    Document 9 - file: pten-ex993_6.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>10
    <FILENAME>pten-ex994_7.htm
    <DESCRIPTION>EX-99.4
    <TEXT>
    Document 10 - file: pten-ex994_7.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>ggwzgoaw5on2000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: ggwzgoaw5on2000001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>ggwzgoaw5on2000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: ggwzgoaw5on2000002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>givivsfmxle5000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: givivsfmxle5000001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>givivsfmxle5000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: givivsfmxle5000002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>givivsfmxle5000003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: givivsfmxle5000003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>gngz2yct2jbz000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: gngz2yct2jbz000001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>gngz2yct2jbz000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: gngz2yct2jbz000002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>gvb0jzuwzdx3000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: gvb0jzuwzdx3000001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>gvb0jzuwzdx3000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: gvb0jzuwzdx3000002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>gvb0jzuwzdx3000003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: gvb0jzuwzdx3000003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>gvb0jzuwzdx3000004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: gvb0jzuwzdx3000004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>gvb0jzuwzdx3000005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: gvb0jzuwzdx3000005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>gvb0jzuwzdx3000006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: gvb0jzuwzdx3000006.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>