Foaming agents for carbon dioxide and steam floods

Details Foaming agents for carbon dioxide and steam floods Foaming agents for carbon dioxide and steam floods

E - Fixed Constructions

21

B

31/14

E21B 43/22 (2006.01) C09K 8/594 (2006.01) E21B 43/16 (2006.01) E21B 43/24 (2006.01)

Patent

CA 2039965

The invention is a foam method for improving conformance during a steam flood or carbon dioxide flood in an underground hydrocarbon formation penetrated by at least one injection well and at least one production well, which comprises injecting into an injection well about 0.05% to about 2% by weight aqueous surfactant solution, and then injecting into the injection well a flooding medium of steam or carbon dioxide, said surfactant solution comprising a surfactant having the formula R(C2H4O)nSO?M+ where R is a lignin phenol produced by reducing lignin in the presence of a reducing agent of carbon monoxide or hydrogen at a temperature greater than about 200°C and a pressure greater than about 100 psi, n has an average value of about 2 to about 25, and M+ is an alkali metal or ammonium cation.

Affiliated with

Also associated with

Rating

Foaming agents for carbon dioxide and steam floods does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Foaming agents for carbon dioxide and steam floods, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Foaming agents for carbon dioxide and steam floods will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1925726