Process for gas-lifting liquid from a well by injecting liquid i

Details Process for gas-lifting liquid from a well by injecting liquid i Process for gas-lifting liquid from a well by injecting liquid i

1980-10-24

1983-10-18

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166300, 166312, 166372, E21B 2100, E21B 4322, E21B 4706

Patent

active

044100418

ABSTRACT:
A reservoir encountered by a drilling fluid-containing borehole can be sampled and/or a liquid can be removed from within a borehole by arranging conduits and a packer for isolating the reservoir or a selected fluid-removal location and then gas-lifting liquid by injecting an aqueous liquid solution which generates nitrogen gas within the borehole, with the depth of the injection and the rates of fluid inflow and outflow being adjusted to maintain a selected drawdown at the depth of the fluid-removal location.

REFERENCES:
patent: 1888315 (1932-11-01), Gault
patent: 1901141 (1933-03-01), Battelle
patent: 2061865 (1936-11-01), Wells
patent: 2293196 (1942-08-01), Crump
patent: 2632513 (1953-03-01), Bennett
patent: 3421449 (1969-01-01), Cochran
patent: 3746088 (1973-07-01), Haskin et al.
patent: 3750753 (1973-08-01), Bernard
patent: 4178993 (1979-12-01), Richardson et al.
patent: 4219083 (1980-08-01), Richardson et al.
patent: 4265312 (1981-05-01), Thein

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