Carbon dioxide stimulated oil recovery process

Details Carbon dioxide stimulated oil recovery process Carbon dioxide stimulated oil recovery process

1981-04-03

1983-06-28

Novosad, Stephen J.

Wells

Processes

Separating material entering well

166305R, E21B 4322, E21B 4340

Patent

active

043900682

ABSTRACT:
A process of stimulating oil recovery utilizing carbon dioxide in the liquid state is disclosed. The carbon dioxide is introduced into an underground formation where it partially dissolves in the crude oil present therein. A back pressure in the range of atmospheric to approximately 300 psi is maintained on the formation while the oil containing carbon dioxide is withdrawn. The carbon dioxide is thereafter separated from the oil.

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Beeson et al., "Laboratory Investigation of the Water-Driven Carbon Dioxide Process for Oil Recovery", Journal of Petroleum Technology, Apr. 1959, pp. 63-66.
Holm, "Carbon Dioxide Solvent Flooding for Increased Oil Recovery", Petroleum Transactions, AIME, vol. 216, 1959, pp. 225-231.

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