US Patent 7451819 Openhole perforating
Patent 7451819 was granted and assigned to Schlumberger on November, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 22, 2005
Date of Patent
November 18, 2008
Patent Application Number
10907148
Patent Inventor Names
Keng Seng Chan
0
Frank F. Chang
0
Ian C. Walton
0
Lawrence A. Behrmann
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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