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:
May. 11, 2021
Filed:
Jul. 10, 2017
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Biplab Mukherjee, Pearland, TX (US);
Matthew E. Crosley, Lake Jackson, TX (US);
Yuko Kida, Houston, TX (US);
Zhi Shi, Richmond, TX (US);
Harpreet Singh, Pearland, TX (US);
Zhe Zhou, Lake Jackson, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/584 (2006.01); C09K 8/592 (2006.01); C09K 8/594 (2006.01); C07C 309/24 (2006.01);
U.S. Cl.
CPC ...
C09K 8/584 (2013.01); C09K 8/592 (2013.01); C09K 8/594 (2013.01); C07C 309/24 (2013.01);
Abstract
The present invention includes a foam-forming composition for use in enhanced heavy oil recovery, and a method of using said foam-forming composition for recovering heavy oil and/or bitumen. The foam-forming composition of the present invention comprises a mixture of (di)alkyl diphenyloxide (di)sulfonate compounds and the process of heavy oil recovery is performed at elevated temperatures using steam.