Method and apparatus for recovering viscous petroleum from tar s

Details Method and apparatus for recovering viscous petroleum from tar s Method and apparatus for recovering viscous petroleum from tar s

1979-04-26

1981-02-03

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166 50, 166 52, 166269, E21B 33124, E21B 4324

Patent

active

042483026

ABSTRACT:
A method of recovering viscous petroleum from tar sand formations utilizing a deviated steam injection well with pump-down (through the flow line) completion. The steam injection well may use side pocket mandrels with constant flow or orifice regulators to control steam injection rates into the surrounding viscous petroleum formation. A plurality of pumping wells are situated along the drill path of the steam injection well and substantially above injection points for recovery of the fluidized petroleum.

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patent: 4037658 (1977-07-01), Anderson
patent: 4099783 (1978-07-01), Verty et al.

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