Method and apparatus for lessening the adverse effect of...

Details Method and apparatus for lessening the adverse effect of... Method and apparatus for lessening the adverse effect of...

E - Fixed Constructions

21

B

E21B 43/12 (2006.01) F04B 47/00 (2006.01) F04B 47/06 (2006.01) F15D 1/02 (2006.01)

Patent

CA 2687189

A method and apparatus for lessening the adverse effect of hydrostatic pressure on a down hole pump. The method involves injecting gas into a column of liquid being pumped to surface by a down hole pump. The gas serves to reduce hydrostatic pressure of the column of liquid.

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