9999999995-15-000451.txt : 20150220 9999999995-15-000451.hdr.sgml : 20150220 20150220001509 ACCESSION NUMBER: 9999999995-15-000451 CONFORMED SUBMISSION TYPE: EFFECT PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20150219 DATE AS OF CHANGE: 20150220 EFFECTIVENESS DATE: 20150219 FILER: COMPANY DATA: COMPANY CONFORMED NAME: DAWSON OPERATING CO CENTRAL INDEX KEY: 0000351231 STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382] IRS NUMBER: 750970548 STATE OF INCORPORATION: TX FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-180563 FILM NUMBER: 15633598 BUSINESS ADDRESS: STREET 1: 508 WEST WALL STREET 2: SUITE 800 CITY: MIDLAND STATE: TX ZIP: 79701 BUSINESS PHONE: 4326843000 MAIL ADDRESS: STREET 1: 508 WEST WALL STREET 2: SUITE 800 CITY: MIDLAND STATE: TX ZIP: 79701 FORMER COMPANY: FORMER CONFORMED NAME: DAWSON GEOPHYSICAL CO DATE OF NAME CHANGE: 19920703 EFFECT 1 primary_doc.xml X0101 EFFECT 33 LIVE 2015-02-19 0001104659-15-009464 POS AM 0000351231 DAWSON OPERATING CO 333-180563