Process for isolating aqueous brine layers in underground gas-st

Details Process for isolating aqueous brine layers in underground gas-st Process for isolating aqueous brine layers in underground gas-st

1974-09-12

1976-04-13

Shapiro, Jacob

Wells

Receptacles

With separate air chamber having openable passage

166295, 260 25AT, B65G 500, E21F 1716

Patent

active

039495590

ABSTRACT:
Process for isolating aqueous brine layers in underground gas-storage caverns which comprises injecting into the said cavern a liquid polyurethane-resin-forming composition that is hardenable by reaction with water which, upon hardening, forms a resinous barrier between the brine and the gas-storage space thereabove that is essentially impervious to water vapor. The liquid hardenable polyurethane-resin-forming composition comprises a polyol and a polyisocyanate of an aromatic hydrocarbon.

REFERENCES:
patent: 2867278 (1959-01-01), Mallory et al.
patent: 2889883 (1959-06-01), Santora
patent: 2939884 (1960-06-01), Garrison
patent: 2939895 (1960-06-01), Hess et al.
patent: 2942424 (1960-06-01), Koble
patent: 3591532 (1971-07-01), Abercrombie et al.
patent: 3613378 (1971-10-01), Dunlap et al.
patent: 3812619 (1974-05-01), Wood et al.

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