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:
Sep. 22, 1981
Filed:
Oct. 26, 1979
Applicant:
Inventor:
Rae A Royle, Houston, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
252 / ; 166307 ;
Abstract
The formation of stable oil-in-water emulsions in produced fluids from wells undergoing acidization treatment is prevented by the inclusion within the injected acidization chemical mixture of a long chain carboxylic acid ester of a polyhydric alcohol such as sorbitan monolaurate, sorbitan monopalmitate or sorbitan monooleate as a demulsification agent.