CO.sub.2 -enhanced hydrocarbon recovery with corrosion-resistant

Details CO.sub.2 -enhanced hydrocarbon recovery with corrosion-resistant CO.sub.2 -enhanced hydrocarbon recovery with corrosion-resistant

1985-07-26

1987-01-13

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166 90L, 166292, 106 97, E21C 3314, E21C 4102

Patent

active

046357246

ABSTRACT:
In a hydrocarbon recovery system including CO.sub.2 pressurization of an underground formation, a sealing cement comprised of Portland cement and Class C fly ash.

REFERENCES:
patent: 2875831 (1959-03-01), Martin et al.
patent: 3064957 (1962-11-01), Jacoby
patent: 3298438 (1967-01-01), Anthony et al.
patent: 4210457 (1980-07-01), Dodson et al.

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