Method to obtain rapid build-up of pressure in a steam foam proc

Details Method to obtain rapid build-up of pressure in a steam foam proc Method to obtain rapid build-up of pressure in a steam foam proc

1988-07-06

1989-08-01

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166274, 166303, 252 8554, E21B 4322, E21B 4324

Patent

active

048526533

ABSTRACT:
An improvement to a steam foam enhanced oil recovery process, whereby the time between injection of a surfactant and the resulting increase in steam injection pressure is reduced by initially injecting a rapidly-foaming surfactant, such as an internal olefin sulfonate, a vinylidene olefin sulfonate, or secondary alkane sulfonate, and subsequently injecting a typical steam foam surfactant that forms foam less rapidly.

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