METHOD FOR LOOSENING OF FROZEN ROCKS Russian patent published in 1994 - IPC

Abstract RU 2012790 C1

FIELD: mining. SUBSTANCE: method includes determination of temperature of frozen rocks by intervals over well entire depth. Intervals are hydrofracked by injection of hydrochloric acid whose concentration is varied inversely proportional to values of temperature. EFFECT: higher efficiency.

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RU 2 012 790 C1

Authors

Shtele V.I.

Dates

1994-05-15—Published

1991-01-31—Filed