Method of increasing porosity and permeability of subsurface roc

Details Method of increasing porosity and permeability of subsurface roc Method of increasing porosity and permeability of subsurface roc

1980-04-15

1981-12-22

Guynn, Herbert B.

Compositions

Leather or fur treating

166275, E21B 4322

Patent

active

043069827

ABSTRACT:
The permeability and porosity of subsurface rock formations are enhanced by injecting a fluid into the formation together with carbon dioxide, an ammonium ion source, and a catalyst system that includes a free chloride ion source, a free nitrate ion source, and an anionic hydrophile dissolved in a polar solvent.

REFERENCES:
patent: 1658305 (1928-02-01), Russell
patent: 3085063 (1963-04-01), Turbak
patent: 3087539 (1963-04-01), Maurer
patent: 3207217 (1965-09-01), Woertz
patent: 3227210 (1966-01-01), Trantham
patent: 3884831 (1975-05-01), Bloom
patent: 4110224 (1978-08-01), Allen

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