Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent
1989-08-30
1990-09-25
Massie, Jerome W.
Wells
Submerged well
Connection or disconnection of submerged members remotely...
166 88, 166 97, 166338, 166344, 2851332, E21B 33043, E21B 3414
Patent
active
049586866
ABSTRACT:
A subsea well completion system having an improved tubing hanger that includes passageways through the hanger to one or more of the tubing annulus, the casing annulus and seals. The passageways may include vertically extending seal bores which are normally closed by check valves which may be operated to the open position. A tree adapter is connected to the tubing hanger and includes passageways coacting with the hanger passageways and includes externally connected side ports. The check valves may be selectively and remotely controlled externally of the completion system for monitoring the various annulus. The system may be abandoned by pumping cement through the passageways to seal them off and thereafter severing the completion system without the aid of a drilling rig.
REFERENCES:
patent: 3693714 (1972-09-01), Baugh
patent: 3893717 (1975-07-01), Nelson
patent: 4077472 (1978-03-01), Gano
patent: 4125155 (1978-11-01), Brock, Jr.
patent: 4623020 (1986-11-01), Nichols
A Maximum Safety Platform Completion System, by James M. Adams et al.; OTC Paper No. 1527, May, 1972.
An advertisement, date unknown, entitled "A Koomey Triple-S System".
Massie Jerome W.
Nelson Norman A.
Sante Ezio D.
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