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:
Apr. 12, 2016
Filed:
Mar. 05, 2013
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Fawaz Al-Otaibi, Dhahran, SA;
Sunil Kokal, Dhahran, SA;
Assignee:
SAUDI ARABIAN OIL COMPANY, , SA;
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/16 (2006.01); C09K 8/58 (2006.01); C09K 8/594 (2006.01);
U.S. Cl.
CPC ...
E21B 43/164 (2013.01); C09K 8/58 (2013.01); C09K 8/594 (2013.01); E21B 43/166 (2013.01); Y02P 90/70 (2015.11);
Abstract
Embodiments of the invention generally relate to the field of oil recovery from reservoirs. More specifically, embodiments of the invention relate to enhancing the recovery of oil using carbon dioxide flooding processes by providing a process to improve oil recovery from a reservoir by injecting through a well into a reservoir a heavy oil slug composition that includes heavy oil that is mixed carbon dioxide. Following injecting the heavy oil slug composition, a carbon dioxide slug that includes carbon dioxide is injected through the well into the reservoir.