E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/27
E21B 43/18 (2006.01)
Patent
CA 1167760
A B S T R A C T The invention refers to an improved mechanical system used to extract water in gas producing wells, so as to re- establish their production, of the type which comprehends a combination of a reciprocating surface pump connected to a ball check type pump through a convention rod and string and an apparatus through which gas pressure is used to drive the pistons which actuate the ball check pump so as to extract the water which prevents gas flow from the well.
362331
Gowling Lafleur Henderson Llp
Prather Ricardo S.
LandOfFree
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