E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/16 (2006.01) G05D 7/01 (2006.01)
Patent
CA 2711371
A method for injecting a fluid into an oil and or gas reservoir or formation, in which the fluid flows into the reservoir or formation through a plurality of autonomous valves or flow control devices (2) provided along an injector (24), the valves (2) having a substantially constant flow-through volume above a given differential pressure for autonomously adjusting the flow of the fluid in order to ensure a substantially constant volume rate from the injector (24) to the reservoir or formation along an injector length.
L'invention porte sur un procédé d'injection d'un fluide à l'intérieur d'un gisement ou d'une formation de gaz et/ou d'huile, le fluide s'écoulant dans le gisement ou la formation à travers une pluralité de soupapes autonomes ou de dispositifs de commande d'écoulement autonomes (2) disposés le long d'un injecteur (24), les soupapes (2) ayant un volume d'écoulement sensiblement constant au-dessus d'une pression différentielle donnée pour ajuster de façon autonome l'écoulement du fluide afin de garantir un débit volumique sensiblement constant de l'injecteur (24) au gisement ou à la formation le long d'une longueur d'injecteur.
Aakre Haavard
Mathiesen Vidar
Borden Ladner Gervais Llp
Statoil Asa
LandOfFree
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