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. 17, 2018
Filed:
Apr. 17, 2014
Applicant:
Statoil Petroleum As, Stavanger, NO;
Inventors:
Bamshad Nazarian, Ranheim, NO;
Philip Sefton Ringrose, Trondheim, NO;
Assignee:
STATOIL PETROLEUM AS, Stavanger, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/16 (2006.01); B65G 5/00 (2006.01); C09K 8/58 (2006.01); C09K 8/594 (2006.01); E21B 41/00 (2006.01); E21B 43/24 (2006.01);
U.S. Cl.
CPC ...
E21B 43/164 (2013.01); B65G 5/00 (2013.01); C09K 8/58 (2013.01); C09K 8/594 (2013.01); E21B 41/0064 (2013.01); E21B 43/166 (2013.01); E21B 43/24 (2013.01); Y02C 10/14 (2013.01); Y02P 90/70 (2015.11);
Abstract
A method of Enhanced Oil Recovery from oil zones in a subterranean geological formation, and from oil zones. The method including: a first injecting step of injecting a first composition including COinto the subterranean geological formation for a period of time; a second injecting step of injecting a second composition including COand a hydrocarbon into the subterranean geological formation for a period of time, wherein the first composition and the second composition are different; and extracting oil from the subterranean geological formation.