Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
George B. Geary0
Eugene J. Mannella0
Date of Patent
December 13, 2011
0Patent Application Number
120208440
Date Filed
January 28, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A threaded casing connection for use in drilling-with-casing operations includes an integral, sacrificial wear sleeve on the downhole end of the coupling which has additional wear protection on portions of its outer wall and leading face.
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