Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 27, 2015
0Patent Application Number
136781660
Date Filed
November 15, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A seal for sealing an annulus between an outer tubular wellhead member and an inner tubular wellhead member is described. The seal is an annular sealing ring that has a plurality of circumferentially spaced apart sealing ring grooves extending at least from a first end to a second end of the sealing surface of at least one of the wellhead members. When the seal is energized, fouling on the sealing surface is urged toward and then through the slot, axially away from the sealing surface.
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