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:
Jul. 23, 1991
Filed:
Jun. 18, 1990
Applicant:
Inventor:
Vernon H Schievelbein, Houston, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166274 ; 166268 ; 252-8554 ;
Abstract
Oil recovery by carbon dioxide flooding is increased by adding surfactants to the carbon dioxide at high pressures such that an emulsion with water will be formed in the pore spaces of rock. The emulsion diverts flow of carbon dioxide to rock containing higher oil saturations.
Schievelbein, Vernon. (1991). Method for decreasing mobility of dense carbon dioxide in subterranean (U.S. Patent No. 5033547). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5033547
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile