Underwater wellhead connector

Details Underwater wellhead connector Underwater wellhead connector

1980-11-03

1983-10-25

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Guide and support

285119, 285131, 339 16R, 339 42, F16L 3500

Patent

active

044114540

ABSTRACT:
The invention pertains to apparatus for connecting to a wellhead structure. Lower and upper female bodies define first and second receptacles disposed generally in coaxially aligned, end-to-end, communicative 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.

REFERENCES:
patent: 3326579 (1967-06-01), Fowler
patent: 3534984 (1970-10-01), Shuey
patent: 3701549 (1972-10-01), Koomey
patent: 3820600 (1974-06-01), Baugh
patent: 3839608 (1974-10-01), Devries
patent: 3840071 (1974-10-01), Baugh et al.
patent: 3946805 (1976-03-01), Peterman
patent: 3966235 (1976-06-01), Lewis
patent: 4223920 (1980-09-01), Bilderbeck

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