Wells – Submerged well – Means removably connected to permanent well structure
Patent
1991-06-27
1992-11-10
Neuder, William P.
Wells
Submerged well
Means removably connected to permanent well structure
166367, 166368, E21B 1701
Patent
active
051616203
ABSTRACT:
A concentric riser parallel bore subsea well assembly for controlling production from a subsea wellhead to a floating production facility. The invention utilizes a concentric riser and tubing string in combination with a dual parallel bore production tree. The production tree communicates with a parallel bore tubing hanger that communicates with the production tubing string and the casing annulus.
REFERENCES:
patent: 3189097 (1965-06-01), Haeber
patent: 4068729 (1978-01-01), Peevey
patent: 4363567 (1982-12-01), Van der Graaf
patent: 4770247 (1988-09-01), Wilkins
Neuder William P.
Shell Offshore Inc.
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