Improved system, method and apparatus for production of...

Details Improved system, method and apparatus for production of... Improved system, method and apparatus for production of...

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2139700

A system for improving production of crude oil from an underground reservoir by the injection of treatment fluids includes a well casing, a production tube located within said well casing and defining therewith an annular space for receiving treatment fluids, a packer located within said annular space for isolating said annular space from a reservoir, a pump disposed in said production tube and having an inlet valve for receiving fluids to be pumped and a mixing shoe for mixing treatment fluids from said annular space with crude oil from said reservoir so as to form a substantially homogeneous mixture of said oil and said fluids in said production tube below said inlet valve of said pump.

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