Tubing hanger landing and orienting tool

Details Tubing hanger landing and orienting tool Tubing hanger landing and orienting tool

1980-06-20

1983-06-07

Pate, III, William F.

Wells

Means for guiding insertable element laterally of well axis

166212, 166187, E21B 2304

Patent

active

043866565

ABSTRACT:
A tubing hanger landing and orienting tool for a subsea wellhead having a mandrel connected to the tubing hanger, a sleeve surrounding a portion of the mandrel and being axially movable thereon, a liquid filled chamber between the sleeve and the mandrel, a shoulder on the sleeve adapted to seat in the wellhead, relative movement of the sleeve and the mandrel after seating of the sleeve in the wellhead causing a change of volume in the chamber, means controlling the volume in the chamber to cushion the landing of the tubing hanger, pressure responsive extendible lug in the mandrel which when extended coacts with a cam and slot surface within an orienting spool to orient the tubing hanger in the wellhead, and means for applying pressure from said chamber to extend said lug after seating of the sleeve in the wellhead.

REFERENCES:
patent: 2881841 (1951-04-01), Page, Jr.
patent: 3075586 (1963-01-01), Schwab et al.

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