Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Oystein Mogedal0
Paulo Cezar Silva Paulo0
Andy Dyson0
Charles Li0
Nick Newlands0
Date of Patent
September 4, 2012
Patent Application Number
12543929
Date Filed
August 19, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A tubing hanger for use in a wellhead. The wellhead includes a throughbore, a landing seat positioned in the throughbore, a landing groove positioned above the landing seat in the throughbore, and a locking groove in the throughbore. The tubing hanger comprises an expandable landing ring positioned on the tubing hanger for engaging the landing groove and a landing mechanism for expanding the landing ring radially outward from the tubing hanger. A locking ring for engaging the locking groove can be positioned on the tubing hanger. The tubing hanger can further include a locking mechanism for expanding the locking ring radially outward from the tubing hanger body and locking it into the locking groove.
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