Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate
2006-08-08
2006-08-08
Gay, Jennifer H. (Department: 3672)
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
C166S361000, C166S368000, C166S086300
Reexamination Certificate
active
07086467
ABSTRACT:
A subsea production system includes a blowout preventer stack that is adapted to seal and contain pressure in a well. The blowout preventer stack has a passageway through which a tubular string may extend into the well. The subsea production system includes a subsea wellhead and a safety shut-in system that has a valve assembly that is adapted to control flow and adapted to allow tools to be lowered therethrough on tubing. The subsea production system includes a cutting module that is adapted to be run into the passageway to allow tools to be lowered therethrough on tubing. The cutting module is further adapted to activate to shear the tubing that is lowered therethrough.
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Nixon Vance
Rytlewski Gary
Schlegelmilch Tye
Castaño Jaime A.
Galloway Bryan P.
Gay Jennifer H.
Schlumberger Technology Corporation
Trap, Pruner & Hu, P.C.
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