    <SEC-DOCUMENT>0001193125-17-054204-index.html : 20170223
    <SEC-HEADER>0001193125-17-054204.hdr.sgml : 20170223
    <ACCEPTANCE-DATETIME>20170223172308
    ACCESSION NUMBER:		0001193125-17-054204
    CONFORMED SUBMISSION TYPE:	S-4/A
    PUBLIC DOCUMENT COUNT:		13
    FILED AS OF DATE:		20170223
    DATE AS OF CHANGE:		20170223

    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/A
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-215655
    		FILM NUMBER:		17633695

    	BUSINESS ADDRESS:
    		STREET 1:		4510 LAMESA HWY
    		STREET 2:		P O DRAWER 1416
    		CITY:			SNYDER
    		STATE:			TX
    		ZIP:			79549
    		BUSINESS PHONE:		9155731104

    	MAIL ADDRESS:
    		STREET 1:		P O DRAWER 1416
    		CITY:			SNYDER
    		STATE:			TX
    		ZIP:			79550

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	PATTERSON ENERGY INC
    		DATE OF NAME CHANGE:	19940228
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-4/A
    <SEQUENCE>1
    <FILENAME>d299283ds4a.htm
    <DESCRIPTION>AMENDMENT NO. 1 TO FORM S-4
    <TEXT>
    Document 1 - file: d299283ds4a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>2
    <FILENAME>d299283dex51.htm
    <DESCRIPTION>EX-5.1
    <TEXT>
    Document 2 - file: d299283dex51.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-8.1
    <SEQUENCE>3
    <FILENAME>d299283dex81.htm
    <DESCRIPTION>EX-8.1
    <TEXT>
    Document 3 - file: d299283dex81.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-8.2
    <SEQUENCE>4
    <FILENAME>d299283dex82.htm
    <DESCRIPTION>EX-8.2
    <TEXT>
    Document 4 - file: d299283dex82.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>5
    <FILENAME>d299283dex231.htm
    <DESCRIPTION>EX-23.1
    <TEXT>
    Document 5 - file: d299283dex231.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.2
    <SEQUENCE>6
    <FILENAME>d299283dex232.htm
    <DESCRIPTION>EX-23.2
    <TEXT>
    Document 6 - file: d299283dex232.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>7
    <FILENAME>d299283dex991.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 7 - file: d299283dex991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.4
    <SEQUENCE>8
    <FILENAME>d299283dex994.htm
    <DESCRIPTION>EX-99.4
    <TEXT>
    Document 8 - file: d299283dex994.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.5
    <SEQUENCE>9
    <FILENAME>d299283dex995.htm
    <DESCRIPTION>EX-99.5
    <TEXT>
    Document 9 - file: d299283dex995.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g2992831.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g2992831.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g2992832.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g2992832.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g299283g51z52.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g299283g51z52.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g299283g86t73.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g299283g86t73.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>