E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/12 (2006.01)
Patent
CA 2633746
A method and system for the produc-tion of a gas hydrate including the steps of drilling into a subterranean gas hydrate formation and at least partially depressurizing the gas hydrate formation to permit separation of gas and water from the hydrate form. The gas and water is then pumped from the for-mation and recovered from the well. At least a portion of water pumped from the well is water that is intro-duced into the well from the surface or reintroduced by a feed back loop from the production operation.
L'invention concerne un procédé et un système de production d'un hydrate de gaz, ce procédé consistant à effectuer un forage dans un formation souterraine d'hydrates de gaz et à au moins dépressuriser partiellement la formation d'hydrates de gaz afin de pouvoir séparer le gaz et l'eau du moule d'hydrate; pomper ensuite le gaz et l'eau dans la formation et les récupérer dans le puits. Au moins une partie de l'eau pompée dans le puits est l'eau qui est introduite dans le puits depuis la surface ou réintroduite par un circuit de retour à partir de l'opération de production.
Al-Jubori Ahmed H.
Cho Brian W.
Fukuhara Masafumi
Onodera Shunetsu
Sugiyama Hitoshi
Al-Jubori Ahmed H.
Schlumberger Canada Limited
Smart & Biggar
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