Refrigeration – Storage of solidified or liquified gas – Underground or underwater storage
Patent
1994-12-15
1996-04-16
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
Underground or underwater storage
62260, 165 45, 405 56, F25B 1900
Patent
active
055071490
ABSTRACT:
A method of making a nonporous, substantially liquid-impermeable cryogenic barrier within the Earth, and a nonporuous, substantially liquid-impermeable cryogenic barrier. A triple array of casings extends along respective sets of central axes from arrays of spaced apart locations on the surface of the Earth. A refrigerant is flowed through the two outer arrays of casings to form overlapping, continuous cold columnar regions extending along and about the respective central axes of the casings. The intermediate region between the two outer arrays of casings contains the central array of casings. A heat transtar agent is flowed through a selected subset of casings within the central array of casings to establish a relatively warm region between the continuous cold regions. Water is introduced into the relatively warm region through a second selected subset of casings within the central array of casings at a rate which permits freezing of the water upon entry into, and contact with, the adjacent continuous cold regions. When the relatively warm region is saturated with water, a flow of refrigerant is established in the first selected subset of casings in the central array to freeze the saturated region and form a nonporous, substantially liquid-impermeable barrier.
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Dash J. Gregory
Krieg Ronald K.
Leger Roger J.
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