Method of sealing the rock around a rock chamber intended for a

Details Method of sealing the rock around a rock chamber intended for a Method of sealing the rock around a rock chamber intended for a

1974-07-11

1976-01-27

Taylor, Dennis L.

61 36, B65G 500, E21F 1716, E21B 3313

Patent

active

039344207

ABSTRACT:
Rock chambers are used for storing liquids and gases, e.g. natural gas, at low temperatures. To prevent leakage through cracks in the rock surrounding the rock chamber the invention provides a method of sealing the rock by injecting a sealing agent through drill holes in the rock. The sealing agent solidifies owing to the lower temperature of the rock and/or stored medium. The injection is continued as long as the cracks change owing to changes of temperature. Some of the drill holes or parts thereof are placed outside the zone where the sealing agent solidifies.

REFERENCES:
patent: 528367 (1894-10-01), Harris
patent: 2928247 (1960-03-01), Hubbell
patent: 2932170 (1960-04-01), Patterson et al.
patent: 2947146 (1960-08-01), Loofbourow
patent: 3026096 (1962-03-01), Love
patent: 3058316 (1962-10-01), Toche
patent: 3063246 (1962-11-01), Dougherty
patent: 3094846 (1963-06-01), Peeler
patent: 3468129 (1969-09-01), Knutson
patent: 3649574 (1972-03-01), Cole
patent: 3667236 (1972-06-01), Rosene

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