Underwater wellhead connector

Details Underwater wellhead connector Underwater wellhead connector

E - Fixed Constructions

21

B

166/51

E21B 17/01 (2006.01) E21B 33/038 (2006.01)

Patent

CA 1168577

-40- Abstract of the Disclosure The invention pertains to apparatus for con- necting to a wellhead structure. Lower and upper female bodies define first and second receptacles disposed generally in coaxially aligned, end-to-end, communicativ2 relation. A male body is received in both receptacles. The male body and upper female body have respective sets of inductive electric couplers matched in one-to-one relation. Several features facilitate effective use of such couplers: the couplers themselves have the edges of their heads chamfered from a point located just outwardly of the O.D.'s of their cores; an improved mounting arrangement aligns the two female bodies in stacked relation without the lower female body interfering with proper seating of the male body in the upper female body; an improved compensator system enhances play of one female body for precise centering with the other.

388715

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