Method for improving well quality

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 43/02 (2006.01) E21B 37/00 (2006.01) E21B 43/14 (2006.01) E21B 47/10 (2006.01)

Patent

CA 2404664

A method of improving the quality of liquid coming from a well that has a pump and pipe assembly. The method includes identifying a region of the well that is low in contamination and a region of the well that is high in contamination, and modifying the pump and pipe assembly so that suction of the assembly is enhanced in the region that is low in contamination and inhibited in the region that is high in contamination. The method also includes cleaning the well in the region of low contamination. Modifying the pump and pipe assembly includes coupling a suction control device to the pump and pipe assembly, and positioning the suction control device in the region of low contamination, and forming a barrier between the region of low contamination and the region of high contamination by attaching a flow control disk to the pump and pipe assembly.

L'invention concerne un procédé d'amélioration de la qualité du liquide provenant d'un puits qui utilise une pompe et un ensemble de tuyaux. Ce procédé consiste à identifier une région de puits à faible contamination et une région de puits à contamination élevée, et à modifier la pompe et l'ensemble de tuyaux de sorte que l'aspiration de l'ensemble est améliorée dans la région à faible contamination et inhibée dans la région à contamination élevée. Le procédé consiste également à nettoyer la région de puits à faible contamination. La modification de la pompe et de l'ensemble de tuyaux peut également consister à coupler un dispositif de commande d'aspiration à la pompe et à l'ensemble de tuyaux, à placer ledit dispositif de commande d'aspiration dans la région à faible contamination, et à former une barrière entre la région à faible contamination et la région à contamination élevée par fixation d'un disque de commande d'écoulement à la pompe et à l'ensemble de tuyaux.

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