Process for assisted recovery of heavy hydrocarbons from an unde

Details Process for assisted recovery of heavy hydrocarbons from an unde Process for assisted recovery of heavy hydrocarbons from an unde

1989-06-05

1991-05-21

Suchfield, George A.

Wells

Processes

Specific pattern of plural wells

166 50, 166 52, 166272, E21B 4324, E21B 4330

Patent

active

050167090

ABSTRACT:
A process for the assisted recovery of heavy hydrocarbons from an underground formation having a plurality of superimposed reservoirs for the hydrocarbons involves arranging horizontal sections of a plurality of wells so that a first well of a first series of wells extend into a reservoir and is located essentially vertically below a horizontal section of a second well located in an immediately adjacent reservoir, with the first well being used as a steam injection well and the second well being used as a hydrocarbon-producing well.

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Mahony, B. J., "Horizontal Drilling use on the Rise: Why and How", World Oil, Oct. 1988, pp. 45-57, copy in 166-50.

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