Method and apparatus for accumulating liquid and initiating...

Details Method and apparatus for accumulating liquid and initiating... Method and apparatus for accumulating liquid and initiating...

E - Fixed Constructions

21

B

E21B 43/12 (2006.01) E21B 43/16 (2006.01)

Patent

CA 2583636

Liquid is accumulated above fluid displacement device which is moveable and sealed within a production chamber defined by a production tubing, and upward movement of the fluid displacement device is initiated to pump liquid and gas from a well, by different magnitudes of differential pressure created at the well bottom. Preferably the different magnitudes of differential pressure are created by fluid passageway is having different cross-sectional areas.

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