Thermal recovery of hydrocarbons by washing an underground sand

Details Thermal recovery of hydrocarbons by washing an underground sand Thermal recovery of hydrocarbons by washing an underground sand

1976-05-17

1977-05-10

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166306, 166274, E21B 4324, E21B 33138

Patent

active

040222802

ABSTRACT:
Heat carrier fluid is circulated through an underground deposit of immobile petroleum. Circulation patterns are provided for more uniform heat transfer. Petroleum is made flowable and is recovered at the surface of the ground. Excessive underground channeling is controlled. Sand accumulations are removed from the well bore.

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