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:
Dec. 02, 1986
Filed:
Nov. 21, 1984
Applicant:
Inventor:
Valadi N Venkatesan, Arlington, TX (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166256 ; 166261 ; 166272 ;
Abstract
An improved tertiary recovery method for obtaining medium and high gravity crude oil from subsurface formations is disclosed wherein the gravity of the crude oil is downgraded. An in-situ combustion method is used where the boiling temperature of a light viscous crude is altered to provide residual coke, enabling sustained combustion.
Venkatesan, Valadi. (1986). Method of recovering medium or high gravity crude oil (U.S. Patent No. 4625800). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4625800
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile