Hydraulic mining and transportation of coal using hot oil under

Details Hydraulic mining and transportation of coal using hot oil under Hydraulic mining and transportation of coal using hot oil under

1975-12-24

1977-05-17

Purser, Ernest R.

Mining or in situ disintegration of hard material

Processes

Directly applying heat or vibration

299 17, 299 18, 299 30, E21C 4100

Patent

active

040238628

ABSTRACT:
The method of mining coal entails the use of crude petroleum under high pressure together with elevated temperatures in hydraulic fashion to produce a hybrid oil-coal fuel. A powerful stream of oil is aimed at sections of coal strata to disintegrate the coal. The resultant slurry can be recycled for reuse in the mining operation with provisions being made for screening out the larger coal particles. When the oil-coal slurry reaches the desired consistency, it can be pumped for storage or pipeline delivery to consumers or processing plants.

REFERENCES:
patent: 2678203 (1954-05-01), Huff
patent: 3129164 (1964-04-01), Cameron
patent: 3790214 (1974-02-01), Kilroy

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