<SEC-DOCUMENT>0001258897-17-001453-index.html : 20170209 <SEC-HEADER>0001258897-17-001453.hdr.sgml : 20170209 <ACCEPTANCE-DATETIME>20170209104827 ACCESSION NUMBER: 0001258897-17-001453 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20170209 DATE AS OF CHANGE: 20170209 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: KEY ENERGY SERVICES INC CENTRAL INDEX KEY: 0000318996 STANDARD INDUSTRIAL CLASSIFICATION: OIL, GAS FIELD SERVICES, NBC [1389] IRS NUMBER: 042648081 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-34118 FILM NUMBER: 17585740 BUSINESS ADDRESS: STREET 1: 1301 MCKINNEY STREET STREET 2: SUITE 1800 CITY: HOUSTON STATE: TX ZIP: 77010 BUSINESS PHONE: 713-651-4300 MAIL ADDRESS: STREET 1: 1301 MCKINNEY STREET STREET 2: SUITE 1800 CITY: HOUSTON STATE: TX ZIP: 77010 FORMER COMPANY: FORMER CONFORMED NAME: KEY ENERGY GROUP INC DATE OF NAME CHANGE: 19950217 FORMER COMPANY: FORMER CONFORMED NAME: NATIONAL ENVIRONMENTAL GROUP INC DATE OF NAME CHANGE: 19921228 FORMER COMPANY: FORMER CONFORMED NAME: YANKEE COMPANIES INC DATE OF NAME CHANGE: 19891012 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: DIMENSIONAL FUND ADVISORS LP CENTRAL INDEX KEY: 0000354204 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 222370029 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 6300 BEE CAVE ROAD STREET 2: BUILDING ONE CITY: AUSTIN STATE: TX ZIP: 78746 BUSINESS PHONE: (512) 306-7400 MAIL ADDRESS: STREET 1: 6300 BEE CAVE ROAD STREET 2: BUILDING ONE CITY: AUSTIN STATE: TX ZIP: 78746 FORMER COMPANY: FORMER CONFORMED NAME: DIMENSIONAL FUND ADVISORS INC DATE OF NAME CHANGE: 19920929 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>dfs654.htm <DESCRIPTION>SCHEDULE 13G/A <TEXT> Document 1 - file: dfs654.htm
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