E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/13 (2006.01) E21B 19/06 (2006.01)
Patent
CA 2723815
A method of severing a well string that extends into an oil well from an oil platform with a deck includes supporting upper and lower sections of the well string, the lower section supported at the platform deck with a deck located string support. A shear mechanism cuts the well string at a position that can be above the deck located string support. The upper section is then lifted a selected distance and the deck located string support again supports the string at a position below the cut.
Selon linvention, un procédé de sectionnement dun train de forage qui sétend dans un puits de pétrole à partir dune plate-forme pétrolière avec un pont comprend le support des sections supérieure et inférieure du train de forage, la section inférieure supportée au niveau du pont de plate-forme avec un support de train situé sur le pont. Un mécanisme de cisaillement découpe le train de forage en une position qui peut être au-dessus du support de train situé sur le pont. La section supérieure est ensuite soulevée dune distance sélectionnée et le support de train situé sur le pont supporte à nouveau le train en une position sous la coupure.
Gowling Lafleur Henderson Llp
Gulfstream Services Inc.
LandOfFree
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