Sodium hydroxide treatment of field water in a biopolymer comple

Details Sodium hydroxide treatment of field water in a biopolymer comple Sodium hydroxide treatment of field water in a biopolymer comple

1988-11-23

1990-12-18

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166275, 252 8554, E21B 4322

Patent

active

049779605

ABSTRACT:
A method for reducing the gelation time of a biopolysaccharide which utilizes a hydroxide of an alkaline earth metal in an aqueous solution containing said biopolysaccharide wherein the mixture is afterwards complexed with a polyvalent metal ion. The resultant stable gel can be injected into a hydrocarbonaceous fluid formation for the recovery of hydrocarbonaceous fluids.

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patent: 3301723 (1967-01-01), Chrisp
patent: 3301848 (1967-01-01), Halleck
patent: 3305016 (1967-02-01), Lindblom et al.
patent: 3383307 (1968-05-01), Goetz
patent: 3908760 (1975-09-01), Clampitt et al.
patent: 4574887 (1986-03-01), Abdo
patent: 4647312 (1987-03-01), Sampath
patent: 4667741 (1987-05-01), Phelps et al.

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