E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/26 (2006.01) C09K 8/64 (2006.01) C09K 8/68 (2006.01)
Patent
CA 2371003
The present Invention relates to hydrocarbon well stimulation, and more particularly to methods and compositions to remove (or more generally to transfer) fluid introduced into the subsurface. For instance, preferred methods involve creating then exploiting a capillary pressure gradient at the fracture face to induce fluid flow from the fracture into the formation thereby increasing effective fracture length, and then improving fracture conductivity.
La présente invention concerne une stimulation de puits d'hydrocarbures, et plus particulièrement des procédés et des compositions destinés à extraire (ou plus généralement à transférer) un fluide introduit dans la subsurface. Par exemple, des procédés préférés consistent à produire puis à exploiter un gradient de pression capillaire sur la surface de fracturation afin de provoquer un flux fluidique depuis la fracturation jusqu'à la formation, d'où une augmentation de la longueur de fracturation effective, puis à améliorer la conductivité de la fracturation.
England Kevin W.
Hinkel Jerald J.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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