<SEC-DOCUMENT>0001258897-19-001180-index.html : 20190208 <SEC-HEADER>0001258897-19-001180.hdr.sgml : 20190208 <ACCEPTANCE-DATETIME>20190208082434 ACCESSION NUMBER: 0001258897-19-001180 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20190208 DATE AS OF CHANGE: 20190208 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SUPERIOR ENERGY SERVICES INC CENTRAL INDEX KEY: 0000886835 STANDARD INDUSTRIAL CLASSIFICATION: OIL, GAS FIELD SERVICES, NBC [1389] IRS NUMBER: 752379388 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-43588 FILM NUMBER: 19577673 BUSINESS ADDRESS: STREET 1: 1001 LOUISIANA STREET, SUITE 2900 CITY: HOUSTON STATE: TX ZIP: 77002 BUSINESS PHONE: (713) 654-2200 MAIL ADDRESS: STREET 1: 1001 LOUISIANA STREET, SUITE 2900 CITY: HOUSTON STATE: TX ZIP: 77002 FORMER COMPANY: FORMER CONFORMED NAME: SMALLS OILFIELD SERVICES CORP DATE OF NAME CHANGE: 19930328 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>dfs351.htm <DESCRIPTION>SCHEDULE 13G/A <TEXT> Document 1 - file: dfs351.htm
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