Method for improved oil recovery

Wells – Processes – Separating material entering well

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Details

166275, 1663051, E21B 4322, E21B 4334

Patent

active

047067497

ABSTRACT:
A non-thermal, chemical "huff and puff" method for improved oil recovery is provided in which surfactant/cosurfactant/brine mixtures are used to recover viscous and other hydrocarbons from single wells.

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