E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/12 (2006.01)
Patent
CA 2667535
Provided are an oil extracting system, which is enabled to extract oil efficiently by utilizing a pump-off signal in secondary and tertiary extractions, and an oil extraction monitoring system. The oil extracting system comprises a sucker rod pump (10) disposed in an oil well (2) for sucking crude oil, a signal detecting unit (12) for detecting an pump-off signal of the sucker rod pump (10), and a press-in pump (20) disposed in a press-in well (3) for pressing in a fluid to be used for the secondary extraction or the tertiary extraction. The press-in pump (20) is run on the basis of the pump-off signal detected by the signal detecting unit (12).
L'invention concerne un système d'extraction de pétrole fonctionnant efficacement au moyen d'un signal d'épuisement dans l' extraction secondaire et tertiaire, ainsi qu'un système de surveillance de l'extraction de pétrole. Le système d'extraction du pétrole comprend une pompe à tiges (10) installée dans un puits de pétrole (2) et destinée à aspirer le pétrole brut, une unité de détection de signal (12) destinée à détecter le signal d'épuisement de la pompe à tiges (10) et une pompe d'injection (20) installée dans un puits d'injection (3) et destinée à injecter un fluide qui sera utilisé lors de l'extraction secondaire ou tertiaire. La pompe d'injection (20) fonctionne par détection, par l'unité de détection du signal (12), du signal d'épuisement.
Imanaka Takayuki
Kawamoto Koji
Tsuruta Tatsumi
Kabushiki Kaisha Yaskawa Denki
Riches Mckenzie & Herbert Llp
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