E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/14 (2006.01)
Patent
CA 2645873
The invention relates to bore-hole systems for producing different fluid media, in particular for simultaneously extracting from several productive stratas. The inventive bore-hole system comprises a casing pipe and an oilwell tubing passing therethrough in such a way that individual closed cavities are formed therebetween. Each cavity communicates with a corresponding productive strata vis perforations. A hydraulic machine consisting of a motor and pump is connected to the oilwell tubing in each closed cavity, wherein the hydraulic machines are embodied in the different closed cavities in such a way that they are individually controllable. Said system makes it possible to simultaneously produce liquid media from different productive stratas and individually control said production in different productive stratas. A downhole hydraulic machine for producing liquid media is also disclosed.
L'invention concerne des systèmes de puits de forage destinés à l'extraction de différents milieux fluides, notamment à l'extraction effectuée simultanément à partir de plusieurs couches de production. Le système de puits de forage de l'invention comprend un tubage et un tuyau de pompe et compresseur monté à l'intérieur de ce tubage; des cavités séparées isolées sont formées entre le tubage et le tuyau. Chaque cavité communique via des perforations avec une couche de production correspondante. Dans chaque cavité isolée une machine hydraulique est raccordée au tuyau de pompe et compresseur, ladite machine étant constituée d'un moteur et d'une pompe. Ces machines hydrauliques dans les différentes cavités isolées peuvent être régulées de façon indépendante. Ce système permet l'extraction simultanée de milieux fluides à partir de couches de production différentes. L'invention concerne également une machine hydraulique immergée destinée à l'extraction de milieux fluides.
Orban Jacques
Orban Jacques
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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