Insulating foam steam stimulation method

Wells – Processes – With indicating – testing – measuring or locating

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Details

166272, 166294, 166303, 166309, E21B 33138, E21B 4324, E21B 4706

Patent

active

044455739

ABSTRACT:
A method for recovering oil from a subterranean oil-bearing reservoir by steam stimulation where the reservoir includes a permeable zone and an oil-bearing strata utilizing a non-condensible, thermally insulating foam injected into the reservoir to substantially fill an expanse of the permeable zone in proximity with the portion of the oil-bearing strata to be stimulated.

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Bernard et al., "Effect of Foam on Permeability of Porous Media to Gas", Society of Petroleum Engineers Journal, Sep. 1964, pp. 267-274.

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