Method and apparatus for pumping liquid from a well using wellbo

Details Method and apparatus for pumping liquid from a well using wellbo Method and apparatus for pumping liquid from a well using wellbo

1989-09-22

1991-04-09

Smith, Leonard E.

Pumps

Processes

Of pumping one fluid by contact or entrainment with another

417132, 417138, 417145, 166372, F04F 106

Patent

active

050060465

ABSTRACT:
There is provided a method and apparatus for removing liquid from a well using well bore pressurized gas. A U-shaped tube having a small orifice near the bottom thereof is received in the well. The upper portions of both legs of the tube are connected to well bore pressurized gas. A liquid sensor is received in one leg of the tube. When liquid flowing into the tube through the orifice rises to the level of the sensor, a valve, which is connected to one leg of the tube, is opened and the well head pressurized gas forces the liquid out of the tube and then out of the well.

REFERENCES:
patent: 1853269 (1932-04-01), Harris
patent: 2565616 (1951-08-01), Mennesson
patent: 3894814 (1975-07-01), Morgan
patent: 3991825 (1976-11-01), Morgan
patent: 4021147 (1977-05-01), Brekke
patent: 4181470 (1980-01-01), Gillett
patent: 4427345 (1984-01-01), Blann et al.
patent: 4527633 (1985-07-01), McLaughlin et al.
patent: 4726420 (1988-02-01), Weeks

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