Method for fracturing of oil shale

Details Method for fracturing of oil shale Method for fracturing of oil shale

1980-02-25

1985-06-11

Suchfield, George A.

Wells

Processes

Placing fluid into the formation

166308, 208 11R, E21B 4327, C10B 5306

Patent

active

045222657

ABSTRACT:
Oil shale, particularly shale having high organic content and/or shallow burial, is fractured by contact with an amino compound, exemplified by ammonia (NH.sub.3) and hydrazine (H.sub.2 NNH.sub.2).

REFERENCES:
patent: 3309211 (1967-03-01), Weiss
patent: 3508613 (1970-04-01), Huff
patent: 3815826 (1974-06-01), Aldrich et al.
patent: 3850477 (1974-11-01), Aldrich et al.
patent: 3870237 (1975-03-01), Aldrich
patent: 3918761 (1975-11-01), Aldrich
Van Nostrand's Scientific Encyclopedia, "Oil Shales" p. 1678, published 1976.
"Solvent Power for Coal at Room Temperature", Chemistry and Industry, Jun. 7, 1962, pp. 502-508.
"Spontaneous Fracture of Coal", Fuel, 55, pp. 275-280, (1976).
"Spontaneous Fracture of Coal", Letter in Fuel, 56, p. 345, (1977).
"Chemical Fracture of Coal for Sulphur Liberation", Letter, Fuel, 56, p. 346, (1977).

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