CO 2 foamed well treatments

Details CO 2 foamed well treatments CO 2 foamed well treatments

2005-07-07

2008-12-16

Gay, Jennifer H (Department: 3676)

Wells

Processes

Cyclic injection then production of a single well

Reexamination Certificate

active

07464754

ABSTRACT:
A composition and a method for treating a subterranean formation with an injection liquid containing liquid carbon dioxide, a treating liquid and optionally a foaming agent and/or methanol. The treating liquid may be an acid, a corrosion inhibitor, a solvent or a scale inhibitor.

REFERENCES:
patent: 4650000 (1987-03-01), Andreasson et al.
patent: 4737296 (1988-04-01), Watkins
patent: 5069283 (1991-12-01), Mack
patent: 5207778 (1993-05-01), Jennings, Jr.
patent: 6555505 (2003-04-01), King et al.

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