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:
Nov. 12, 2019
Filed:
Mar. 11, 2019
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Ming Han, Dhahran, SA;
Ali Abdallah Al-Yousef, Dhahran, SA;
Salah Hamad Al-Saleh, Dhahran, SA;
Alhasan Fuseni, Dhahran, SA;
Assignee:
SAUDI ARABIAN OIL COMPANY, , SA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/588 (2006.01); C09K 8/584 (2006.01);
U.S. Cl.
CPC ...
C09K 8/588 (2013.01); C09K 8/584 (2013.01);
Abstract
A method for recovering hydrocarbons in a carbonate reservoir by introducing a saline solution injection containing a saline soluble surfactant and a saline soluble polymer. The method provides for increased hydrocarbon recovery as compared to conventional waterflooding techniques.