Apparatus for mixing gas and liquid at a downhole location

Details Apparatus for mixing gas and liquid at a downhole location Apparatus for mixing gas and liquid at a downhole location

1978-04-17

1980-02-12

Pate, III, William F.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Dissolving or chemical reaction

261119R, E21B 2328

Patent

active

041880684

ABSTRACT:
Apparatus for mixing a gas, e.g., oxygen, and a liquid, e.g., leach solution, at a downhole location in a well for treating a formation, e.g., in situ leaching of uranium. The apparatus comprises a mixing means which is adapted to be affixed to the lower end of the gas supply conduit and is lowered into and raised out of the well by means of the conduit. The mixing means is comprised of a solid, noncorrosive plate having a central opening into which the gas conduit is secured. The plate has a plurality of additional openings surrounding the central opening and has a gasket thereon to form a seal between the plate and the well bore. Liquid is flowed down the well and passes through the additional openings in the plate. At the same time, gas is supplied through the conduit and flows through the central opening in the plate. Due to the increased velocity of the liquid caused by the liquid as it flows through the additional openings in the plate, the gas is trapped to form a gas pocket below the plate. Liquid flows through the gas pocket and thereby becomes saturated with the gas.

REFERENCES:
patent: 3566963 (1971-03-01), Blackledge
patent: 3734179 (1973-05-01), Smedley
patent: 3826742 (1974-07-01), Kirk et al.
patent: 4068713 (1978-01-01), McGuire

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