Thermal recovery of hydrocarbon from tar sands

Details Thermal recovery of hydrocarbon from tar sands Thermal recovery of hydrocarbon from tar sands

1974-06-21

1977-02-08

Purser, Ernest R.

Wells

Processes

In situ combustion

166303, E21B 4324

Patent

active

040067785

ABSTRACT:
A method for the recovery of low API gravity viscous oils or bitumens from a subterranean formation by the injection of a mixture of an oxygen-containing gas and steam at a temperature corresponding to the temperature of saturated steam at the pressure of the formation.

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patent: 3400762 (1968-09-01), Peacock et al.
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patent: 3411575 (1968-11-01), Connally
patent: 3411578 (1968-11-01), Holmes
patent: 3500913 (1970-03-01), Nordgren et al.
patent: 3605890 (1971-09-01), Holm
patent: 3680634 (1972-08-01), Peacock et al.

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