Method for stimulation of liquid flow in a well

Details Method for stimulation of liquid flow in a well Method for stimulation of liquid flow in a well

1993-11-02

1995-03-07

Suchfield, George A.

Wells

Processes

Heating, cooling or insulating

166307, 166312, E21B 3600, E21B 3700, E21B 4327

Patent

active

053949420

ABSTRACT:
A method of stimulating a flow of water into a well from water pools in strata surrounding the well. The well is sealed in a manner such that pressurization of the well can be accomplished. Liquified carbon dioxide is introduced into the well at a down hole pressure such that the liquified carbon dioxide solidifies within the well forming solid carbon dioxide and introduction of the solid carbon dioxide is continued into the well until a desired level of filling of the well is attained. The sealed well containing solid carbon dioxide is allowed to stand for a time sufficient to sublime the solid carbon dioxide contained in the sealed well and the residual pressure is released in the sealed well and the seal removed from the well.

REFERENCES:
patent: 1843002 (1932-01-01), Small
patent: 3076762 (1963-02-01), Dill
patent: 3386511 (1968-06-01), Messina
patent: 4250965 (1981-02-01), Wiseman, Jr.
patent: 4534413 (1985-08-01), Jaworowsky
patent: 5261490 (1993-11-01), Ebinuma

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