Subsea connection

Details Subsea connection Subsea connection

1996-06-12

1998-08-18

Tsay, Frank

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166344, 166380, E21B 43013

Patent

active

057947015

ABSTRACT:
A connection is disclosed which is particularly applicable to subsea wellheads. A female receptacle end is provided on the wellhead which has connections on it to an umbilical or a flowline. The male end has an orientation lug for rough orientation. Once rough orientation is made, the male end is advanced into the female end and the shaft rotated by a remotely operated vehicle (ROV) for alignment of lugs with a detent. Once the lugs advance past the detent, they are rotated so that a segment of the shaft on the male end of the connection can no longer turn. Further rotational movements by the ROV on another portion of the shaft advances a plate which makes up the connection, either for the umbilical or the flowline.

REFERENCES:
patent: 3586048 (1971-06-01), Arnold
patent: 4035005 (1977-07-01), DeVincent et al.
patent: 4566489 (1986-01-01), Knapp et al.
patent: 4730677 (1988-03-01), Pearce et al.
patent: 4943187 (1990-07-01), Hopper
patent: 5265980 (1993-11-01), Lugo et al.
patent: 5333691 (1994-08-01), Dan et al.
patent: 5466017 (1995-11-01), Szabo et al.

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