Enhanced oil recovery

Details Enhanced oil recovery Enhanced oil recovery

1987-09-04

1989-01-24

Novosad, Stephen J.

Wells

Processes

Heating, cooling or insulating

166273, 166274, 166272, E21B 4322, E21B 4324

Patent

active

047995513

ABSTRACT:
There is provided a process for the enhanced recovery of oil from oil bearing strata with gaseous or liquid form of carbon dioxide, the improvement which comprises prior to or simultaneously with the injection of carbon dioxide, injecting into the strata in a single slug or in a plurality of slugs a material consisting essentially of at least one compound which has a clay-effect inhibiting cation with a hydrated ion diameter of from about 0.136 to about 0.15 nm and a coordination number of 12, in a concentration number of 12, in a concentration of from about 0.001 mol to about 50 mol.

REFERENCES:
patent: 4372786 (1983-02-01), Reed et al.
patent: 4453597 (1984-06-01), Brown et al.
patent: 4480696 (1984-11-01), Almond et al.
patent: 4502538 (1958-03-01), Wellington et al.
patent: 4624314 (1986-11-01), Clark

Affiliated with

Also associated with

Rating

Enhanced oil recovery does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Enhanced oil recovery, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Enhanced oil recovery will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-414504