Thermal-mining method of oil production

Details Thermal-mining method of oil production Thermal-mining method of oil production

E - Fixed Constructions

21

B

166/39

E21B 43/24 (2006.01) E21B 43/30 (2006.01)

Patent

CA 1105379

THERMAL-MINING METHOD OF OIL PRODUCTION ABSTRACT OF THE DISCLOSURE A thermal-mining method of oil production effected by digging a combination of underground workings and at least one working tunnel and by drilling injection and producing wells from said working tunnel. Then a heat carrier is forced into the oil-bearing bed for heating it to a tem- perature sufficient for the oil to acquire the necessary fluidity. The heat carrier is forced into the oil-bearing bed through injection wells at time intervals t1 found from an appropriate relation. The oil is withdrawn from the oil-bearing bed through the production wells at time intervals t3 in which the time interval t1 of heat carrier injection into the injection wells is divisible by the time intervals t3 of oil withdrawal from the producing wells, the multiplicity factor being equal to n = Image 60.

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