Wellhead connecting apparatus

Details Wellhead connecting apparatus Wellhead connecting apparatus

E - Fixed Constructions

21

B

166/47

E21B 33/03 (2006.01) E21B 33/035 (2006.01) E21B 33/038 (2006.01)

Patent

CA 1252384

ABSTRACT A coupling assembly for detachably connecting a pair of wellhead members, includes couplable first and second coupling members. Each coupling member has a central axial bore for accommodating a drill string, and each coupling member is adapted for axially aligned connection to a wellhead member. The first coupling member is axially rotatable relative to the second coupling member, into locking engagement therewith. The coupling also includes sealing means disposed between the coupling members, and means for rotating the first member relative to the second member.

478521

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