E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/04 (2006.01) E21B 47/10 (2006.01)
Patent
CA 2284997
A method and device are provided for monitoring the interfaces between and other physical characteristics of fluids in the pore spaces of an underground formation. The device (4) comprises a sleeve (5) around which, when in use, an annular measuring chamber (8) is formed which is in fluid communication with the pore spaces of the surrounding formation but which is hydraulically isolated from other parts of the wellbore of a production or other well in which the device (4) is mounted. An array of capacitor or other sensors (11) is mounted in the measuring chamber (8) for measuring the interfaces between, or other physical characteristics of, the fluids in the measuring chamber (8).
L'invention porte sur un procédé et un dispositif d'observation des interfaces entre fluides et d'autres caractéristiques des fluides dans les intervalles entre pores d'une formation souterraine. Le dispositif (4) comporte un tube (5) autour duquel est disposée une chambre annulaire (8) de mesure qui communique avec lesdits intervalles de la formation environnante, mais est isolée des autres parties du puits de production ou d'autres puits où le dispositif (4) est placé. Un réseau de capacités et autres capteurs (11) est monté dans la chambre de mesure (8) pour y mesurer les interfaces entre fluides et d'autres caractéristiques des fluides.
Shell Canada Limited
Smart & Biggar
LandOfFree
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