IN SITU RECOVERY OF EARTH MINERALS AND DERIVATIVE COMPOUNDS BY LASER
United States Patent 3493060
US Patent References:
Process for extracting oils and hydrocarbon material from shale and similar bituminous rocks
- - 1342741
Process of subterranean distillation of volatile mineral substances
- - 1510655
Method of making bore holes
- - 1898926
Method of making bore holes
- - 1993641
Pendant parting petro pyrolysis process
- - 2969226
Process for extracting oils and hydrocarbon material from shale and similar bituminous rocks
- - 1342741
Process of subterranean distillation of volatile mineral substances
- - 1510655
Method of making bore holes
- - 1898926
Method of making bore holes
- - 1993641
Pendant parting petro pyrolysis process
- - 2969226
Inventors:
Dyk, John Van C.
Publication Date:
02/03/1970
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Export Citation:
Assignee:
WOODS RES & DEV
Primary Class:
Other Classes:
219/121.260, 166/302, 299/7, 219/121.840, 299/14, 166/267, 219/121.600
International Classes:
B23K26/40; E21B7/15; E21B43/24; E21C41/00; B23K26/00; E21B7/14; E21B43/16; E21F7/00; E21C41/10
US Patent References: