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:
Jan. 09, 2024
Filed:
Jan. 07, 2022
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Subhash Chandrabose Ayirala, Dhahran, SA;
Dongqing Cao, Beijing, CN;
Ming Han, Dhahran, SA;
Saleh Hamad Al-Salah, Dhahran, SA;
Ali Yousef, Dhahran, SA;
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/20 (2006.01); C09K 8/588 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
E21B 43/20 (2013.01); C09K 8/588 (2013.01); E21B 43/162 (2013.01);
Abstract
A method for enhanced oil recovery in a reservoir is provided. The method includes injecting a microsphere suspension, including polymeric microspheres dispersed in seawater, into an injection well in the reservoir and injecting a low salinity tailored water (SmartWater) into the injection well in the reservoir. Oil is produced from a production well in the reservoir.