<SEC-DOCUMENT>0000902219-18-000363-index.html : 20180208 <SEC-HEADER>0000902219-18-000363.hdr.sgml : 20180208 <ACCEPTANCE-DATETIME>20180208120938 ACCESSION NUMBER: 0000902219-18-000363 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20180208 DATE AS OF CHANGE: 20180208 SUBJECT COMPANY: 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: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-44095 FILM NUMBER: 18584248 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WELLINGTON MANAGEMENT GROUP LLP CENTRAL INDEX KEY: 0000902219 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 042683227 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: C/O WELLINGTON MANAGEMENT COMPANY LLP STREET 2: 280 CONGRESS STREET CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 6179515000 MAIL ADDRESS: STREET 1: C/O WELLINGTON MANAGEMENT COMPANY LLP STREET 2: 280 CONGRESS STREET CITY: BOSTON STATE: MA ZIP: 02210 FORMER COMPANY: FORMER CONFORMED NAME: WELLINGTON MANAGEMENT CO LLP DATE OF NAME CHANGE: 19960930 FORMER COMPANY: FORMER CONFORMED NAME: WELLINGTON MANAGEMENT CO DATE OF NAME CHANGE: 19930426 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>SEC13G_Filing.htm <DESCRIPTION>SEC SCHEDULE 13G <TEXT> Document 1 - file: SEC13G_Filing.htm
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