The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 1986
Filed:
Sep. 06, 1983
Applicant:
Inventors:
James R Bragg, Houston, TX (US);
Walter W Gale, Spring, TX (US);
Assignee:
Exxon Production Research Co., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C09K / ;
U.S. Cl.
CPC ...
252330 ; 252 / ; 252328 ; 252331 ; 252358 ; 252346 ; 252348 ;
Abstract
To improve the separation of a produced oil-water emulsion containing a surfactant, the emulsion parameters of temperature and salinity are brought within certain critical limits. The emulsion will separate into an injectable brine/surfactant phase and a pipeline quality crude oil phase. The operable salinity range is from about 70% to about 130% of the reservoir salinity, and the operable temperature range is from about 75.degree. F. lower to about 75.degree. F. higher than the temperature of the reservoir from which the emulsion was produced.