Method and apparatus for recovering liquids from a well bore

Details Method and apparatus for recovering liquids from a well bore Method and apparatus for recovering liquids from a well bore

1985-06-20

1987-10-20

Novosad, Stephen J.

Wells

Processes

Producing the well

166325, 166373, 417121, E21B 3408, E21B 4312

Patent

active

047007834

ABSTRACT:
A well bore is provided with novel and improved apparatus for practice of an improved method for recovery of liquids from the well wherein a quantity of liquid is elevated by repeated discrete steps upwardly through the well bore under the impetus of gas pressure with the size of the elevation steps being determined by the magnitude of gas pressure available in the well and wherein each level or step in the well is substantially continuously exposed to ambient atmospheric pressure whereby no substantial resistance to the stepwise upward flow of liquid is encountered.

REFERENCES:
patent: 3371717 (1968-03-01), Chenoweth
patent: 3474859 (1969-10-01), Chenoweth
patent: 4273186 (1981-06-01), Pearce et al.

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