There is described a stabilization device for a wellhead wherein an upper portion (121) of a wellhead casing (12) extends up above a seabed (4), the upper wellhead casing portion (121) being sideways supported in a suction substructure (5), and wherein a wellhead valve (2) extending up from the upper portion (121) of the wellhead casing (12) is provided with multiple supporting elements (6) abutting supportingly an edge portion (54) of an end cover (52) on the suction substructure (5). Also described is a method for stabilizing a wellhead wherein an upper portion (121) of a wellhead casing (12) extends up above a seabed (4) and is sideways supported in a suction substructure (5) surrounding the wellhead casing portion (121) and extends downward in an uncompacted material (41).
Device and method for stablization of a wellhead, and also use of a suction substructure for support of a wellhead
2015-04-09
Patent
Elektronische Ressource
Englisch
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