<SEC-DOCUMENT>0000320575-20-000008-index.html : 20200428 <SEC-HEADER>0000320575-20-000008.hdr.sgml : 20200428 <ACCEPTANCE-DATETIME>20200428155200 ACCESSION NUMBER: 0000320575-20-000008 CONFORMED SUBMISSION TYPE: 10-K/A PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20191231 FILED AS OF DATE: 20200428 DATE AS OF CHANGE: 20200428 FILER: COMPANY DATA: COMPANY CONFORMED NAME: PIONEER ENERGY SERVICES CORP CENTRAL INDEX KEY: 0000320575 STANDARD INDUSTRIAL CLASSIFICATION: DRILLING OIL & GAS WELLS [1381] IRS NUMBER: 742088619 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 10-K/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-08182 FILM NUMBER: 20824745 BUSINESS ADDRESS: STREET 1: 1250 N.E. LOOP 410 STREET 2: SUITE 1000 CITY: SAN ANTONIO STATE: TX ZIP: 78209 BUSINESS PHONE: 2108287689 MAIL ADDRESS: STREET 1: 1250 N.E. LOOP 410 STREET 2: SUITE 1000 CITY: SAN ANTONIO STATE: TX ZIP: 78209 FORMER COMPANY: FORMER CONFORMED NAME: PIONEER DRILLING CO DATE OF NAME CHANGE: 20011102 FORMER COMPANY: FORMER CONFORMED NAME: SOUTH TEXAS DRILLING & EXPLORATION INC DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: SOUTH TEXAS DRILLING CO DATE OF NAME CHANGE: 19810715 </SEC-HEADER> <DOCUMENT> <TYPE>10-K/A <SEQUENCE>1 <FILENAME>form10-ka2019.htm <DESCRIPTION>10-K/A <TEXT> Document 1 - file: form10-ka2019.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.3 <SEQUENCE>2 <FILENAME>exhibit313.htm <DESCRIPTION>EXHIBIT 31.3 <TEXT> Document 2 - file: exhibit313.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.4 <SEQUENCE>3 <FILENAME>exhibit314.htm <DESCRIPTION>EXHIBIT 31.4 <TEXT> Document 3 - file: exhibit314.htm
</DOCUMENT> </SEC-DOCUMENT>