Gas foam for improved recovery from gas condensate reservoirs

Details Gas foam for improved recovery from gas condensate reservoirs Gas foam for improved recovery from gas condensate reservoirs

1991-07-31

1993-01-12

Suchfield, George A.

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With indicating, testing, measuring or locating

166268, 166275, 166309, E21B 4322

Patent

active

051782170

ABSTRACT:
Gas-condensate having an API gravity value greater than 55.degree. is produced by injecting (1) a light noncondensable gas and (2) a foaming agent comprising a surfactant and water into a subterranean formation containing the gas condensate.

REFERENCES:
patent: 2720265 (1955-10-01), Tracht
patent: 3149668 (1964-09-01), Arendt
patent: 4393936 (1983-07-01), Josendal
patent: 4548267 (1985-10-01), Sheffield et al.
patent: 5046560 (1991-09-01), Teletzke et al.
patent: 5052487 (1991-10-01), Wall

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