Process for enhancing the production of oil from depleted,...

Details Process for enhancing the production of oil from depleted,... Process for enhancing the production of oil from depleted,...

2009-02-16

2011-11-22

Suchfield, George (Department: 3676)

Wells

Processes

Separating material entering well

C166S270100, C166S275000, C166S400000

Reexamination Certificate

active

08061422

ABSTRACT:
A method for enhancing the production of liquid hydrocarbons from oil-wet, fractured reservoirs comprising injecting a surfactant solution into the reservoir, pressurizing the reservoir, maintaining the pressure, and recovering liquid hydrocarbons. In an embodiment, the method comprises closing production wells for a period to maintain reservoir pressure and surfactant exposure within the matrix.

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patent: 4842065 (1989-06-01), McClure

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