Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
James A. Rose0
Date of Patent
January 7, 2020
0Patent Application Number
146120070
Date Filed
February 2, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A casing hanger assembly includes a landing ring secured to a containment well cellar or the conductor pipe. A casing hanger welded to the external surface of the last section of surface casing seats into the landing ring. Optionally, a lock down mechanism can be used to prevent buoyancy and hydraulic forces from causing the well to pack off.
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