E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/51
E21B 33/035 (2006.01) E02D 23/02 (2006.01) E02D 25/00 (2006.01)
Patent
CA 1050421
SUB-SEA WELL HEADS ABSTRACT OF DISCLOSURE A sub-sea well head comprising a connector and a christmas tree which is enclosed in a capsule is characterised in that a master valve is contained within a member forming the foot of the christmas tree, the member penetrating and being sealed into the bottom of the capsule and supporting the capsule, and in that the master valve is contained within a part of the member within the capsule.
286469
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