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. 26, 2016
Filed:
Jun. 16, 2014
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Stanley Nemec Milam, Houston, TX (US);
Erik Willem Tegelaar, Rijswijk, NL;
John Justin Freeman, Pattison, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/24 (2006.01); E21B 43/22 (2006.01); E21B 43/25 (2006.01);
U.S. Cl.
CPC ...
E21B 43/24 (2013.01); E21B 43/2408 (2013.01); E21B 43/25 (2013.01);
Abstract
A system and process for recovering oil from an oil-bearing formation. An oil recovery formulation that is first contact miscible with a liquid petroleum composition that is comprised of at least 15 mol % dimethyl sulfide is introduced together with steam or hot water into a subterranean oil-bearing formation comprising heavy oil, extra heavy oil, or bitumen, and oil is produced from the formation.