<SEC-DOCUMENT>0001086364-15-000348-index.html : 20150115 <SEC-HEADER>0001086364-15-000348.hdr.sgml : 20150115 <ACCEPTANCE-DATETIME>20150115145722 ACCESSION NUMBER: 0001086364-15-000348 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20150115 DATE AS OF CHANGE: 20150115 SUBJECT COMPANY: 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: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-33018 FILM NUMBER: 15529713 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: BlackRock Inc. CENTRAL INDEX KEY: 0001364742 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211] IRS NUMBER: 320174431 STATE OF INCORPORATION: DE FISCAL YEAR END: 0226 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 55 EAST 52ND STREET CITY: NEW YORK STATE: NY ZIP: 10055 BUSINESS PHONE: 212-810-5300 MAIL ADDRESS: STREET 1: 55 EAST 52ND STREET CITY: NEW YORK STATE: NY ZIP: 10055 FORMER COMPANY: FORMER CONFORMED NAME: BlackRock, Inc. DATE OF NAME CHANGE: 20060929 FORMER COMPANY: FORMER CONFORMED NAME: New BlackRock, Inc. DATE OF NAME CHANGE: 20060601 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>pioneer.energy.services.txt <TEXT> Document 1 - file: pioneer.energy.services.txt
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