E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/00 (2006.01) B01D 17/00 (2006.01) B01D 17/035 (2006.01) B04C 5/26 (2006.01) E21B 43/38 (2006.01) E21B 43/40 (2006.01)
Patent
CA 2231543
A method of separating oil, water and sand in a production fluid. The production fluid is fed through a downhole liquid/liquid hydrocyclone (9). An oil enriched stream from the hydrocyclone (9) is pumped to the surface, while an oil depleted stream is fed to a downhole solid/liquid hydrocyclone (12). Here, the bulk of the solids are separated from the water, so that water which is substantially free of solids can be transported to a downhole disposal site (14).
Procédé de séparation de l'huile, de l'eau et du sable, dans un fluide de production. Le fluide de production est amené dans un hydrocyclone liquide/liquide (9) de fond. Un courant enrichi en huile est pompé de l'hydrocyclone (9) vers la surface, et un courant appauvri en huile est envoyé dans un hydrocyclone solide/liquide (12) positionné vers le bas. En ce point, la majeure partie des solides est séparée de l'eau de sorte que l'eau sensiblement débarrassée de solides peut être transférée dans un site d'évacuation (14) de fond.
Baker Hughes Limited
Gowling Lafleur Henderson Llp
LandOfFree
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