Chemistry: physical processes – Physical processes – Crystallization
Patent
1979-12-19
1981-12-22
Marcus, Michael S.
Chemistry: physical processes
Physical processes
Crystallization
G01N 3324
Patent
active
043068790
ABSTRACT:
The presence of geothermal aquifers can be detected while drilling in geothermal formations by maintaining a chemical log of the ratio of the concentrations of calcium to carbonate and bicarbonate ions in the return drilling fluid. A continuous increase in the ratio of the concentrations of calcium to carbonate and bicarbonate ions is indicative of the existence of a warm or hot geothermal aquifer at some increased depth.
REFERENCES:
patent: 2336613 (1943-12-01), Horvitz
patent: 3801281 (1974-04-01), Thompson et al.
Petroleum Exploration Handbook, 1961, Moody, McGraw-Hill pp. 13-10 to 13-15, 21-8 to -21-13.
Geochemical Prospecting for Petroleum and Natural Gas, Kartsev A.A. et al., pp. 250-254, 260-273.
Allen Charles A.
McAtee Richard E.
Besha Richard G.
Jackson Frank H.
Marcus Michael S.
The United States of America as represented by the United States
Weinberger James W.
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