Method for controlling water influx into underground cavities

Details Method for controlling water influx into underground cavities Method for controlling water influx into underground cavities

1984-06-13

1986-11-18

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Impermeabilization

166295, 405263, 405 57, C09K 1700

Patent

active

046232834

ABSTRACT:
Disclosed is a method for minimizing the entry of water into a mined cavity or underground formation which has thereabove a semi-permeable layer of a shaly material or rock directly below a source layer of water-saturated sand. By means of a borehole, a fluid such as air or oil is injected into a semi-permeable layer to displace water from it. The injected fluid acts as a barrier to reduce the downward leakage of water into the cavity.

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