Methods of fluidized production of coal in situ

Wells – Processes – In situ combustion

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Details

166261, 166267, 166302, E21B 4324

Patent

active

040893723

ABSTRACT:
A method of producing combustible gases, synthetic crude oils, coal chemicals and heat from coal in situ utilizes the combined teachings of in situ gasification, liquefaction and pyrolysis.

REFERENCES:
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patent: 1913395 (1933-06-01), Karrick
patent: 3628929 (1971-12-01), Glass et al.
patent: 3734184 (1973-05-01), Scott
patent: 3770398 (1973-11-01), Abraham et al.
patent: 3948320 (1976-04-01), Terry
patent: 3952802 (1976-04-01), Terry
patent: 4026357 (1977-05-01), Redford

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