Moderated borohydride-induced reservoir dewatering

Details Moderated borohydride-induced reservoir dewatering Moderated borohydride-induced reservoir dewatering

1983-03-10

1984-05-15

Novosad, Stephen J.

Wells

Processes

Chemical inter-reaction of two or more introduced materials

E21B 4325

Patent

active

044482531

ABSTRACT:
A productivity-impairing water-block is removed from a subterranean reservoir by injecting an aqueous alkaline solution containing both an alkali metal borohydride and an acid-yielding reactant which is relatively slowly reactive.

REFERENCES:
patent: 2748867 (1956-06-01), Lissant
patent: 2872982 (1959-02-01), Wade
patent: 2889884 (1959-06-01), Henderson et al.
patent: 3279541 (1966-10-01), Knox et al.

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