Blocking agent for rock cracks and method of blocking rock crack

Details Blocking agent for rock cracks and method of blocking rock crack Blocking agent for rock cracks and method of blocking rock crack

1997-07-23

1998-08-04

Suchfield, George A.

Hydraulic and earth engineering

Earth treatment or control

Chemical

106900, 166248, 166292, 405266, E02D 312, E21B 33138

Patent

active

057884218

ABSTRACT:
Underground rock cracks are blocked by using a slurry of blocking agent containing hectorite raw materials in an amount of 1 to 10 wt %, which comprises an acidic precipitate of water glass and magnesium chloride, sodium hydroxide, and lithium hydroxide and water, through the steps of injecting the slurry, allowing the slurry to flow into the cracks produced in rocks, and allowing hectorite synthesized from the raw materials contained in the slurry to gel under high temperature conditions of underground.

REFERENCES:
patent: 3522066 (1970-07-01), Forsyth
patent: 3936383 (1976-02-01), Daimon et al.
patent: 4455171 (1984-06-01), Spensley et al.
patent: 4737306 (1988-04-01), Wichelhaus et al.
patent: 5221497 (1993-06-01), Watanabe et al.
patent: 5569323 (1996-10-01), Frouin et al.

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