Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bernard Herman Van Bilderbeek0
Craig Hendrie0
Date of Patent
June 22, 2010
0Patent Application Number
119037150
Date Filed
September 24, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and apparatus for installing casing hangers in a wellbore utilizing an externally activated gripping system to temporarily bind wearbushings secured to casing and tubing hangers in order to lock-down such hangers during various wellbore drilling activities, thereby minimizing the size of landing shoulders and eliminating additional lock down equipment and simplifying running procedures.
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