Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent
1995-11-13
1997-08-19
Tsay, Frank
Wells
Submerged well
Connection or disconnection of submerged members remotely...
166345, 4051951, E21B 1701, E21B 1706
Patent
active
056578237
ABSTRACT:
An offshore marine structure for drilling wells into the ocean floor including a floating vessel which carries the necessary drilling equipment. A riser which extends from the vessel to a well head at the ocean floor, encloses a drill string and permits circulation of the drilling mud and fluids. The riser is comprised of at least two detachably connectable segments, one of which can be moved with the floating vessel, while the other remains buoyantly in place until such time as the two segments are reconnected. A riser system used for production activities where the riser comprises at least two detachable segments is also provided.
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Hayashi Hiroichi
Kogure Eiji
Mackie Michael J.
McCalla Jeffrey M.
Buskop Wendy
Seal Cynthia G.
Tsay Frank
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