Title:
MICELLE SOLUTION FOR RECOVERY OF PETROLEUM
Document Type and Number:
Japanese Patent JPS58160491
Kind Code:
A
Abstract:
A micellar slug for use in the recovery of oil, the slug containing a hydrocarbon, an aqueous medium, a surfactant, and a cosurfactant. The surfactant contains as essential components (a) at least one alpha-olefin sulfonate having 10 to 30 carbon atoms and (b) at least one ethoxylate selected from the group consisting of polyoxyethylene alkyl ethers and polyoxyethylene alkylphenyl ethers in a weight ratio of component (a) to component (b) of 8/2 to 3/7. The micro-emulsion can be formed from this micellar slug in a wide composition range. Furthermore, this micellar slug has an excellent salinity tolerance and hard-water resistance.
Inventors:
MORITA HIROSHI
KAWADA YASUYUKI
YAMADA JIYUNICHI
UKIUMI NORIYUKI
KAWADA YASUYUKI
YAMADA JIYUNICHI
UKIUMI NORIYUKI
Application Number:
JP4029082A
Publication Date:
September 22, 1983
Filing Date:
March 16, 1982
Export Citation:
Assignee:
LION CORP
International Classes:
C09K8/584; E21B43/22; (IPC1-7): C11D1/83; E21B43/22
Attorney, Agent or Firm:
Aoki Akira