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:
Dec. 07, 2021
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Zuhair Al-Yousif, Saihat, SA;
Subhash Ayirala, Dhahran, SA;
Muhammad Majid Almajid, Al Qatif, SA;
Dong Kyu Cha, Dhahran, SA;
Ming Han, Dhahran, SA;
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/16 (2006.01); E21B 43/30 (2006.01);
U.S. Cl.
CPC ...
E21B 43/164 (2013.01);
Abstract
A method and a system for oil recovery are provided. An exemplary method includes injecting thickened carbon dioxide (CO) into the top of a reservoir containing oil. An interface is formed between the thickened COand the oil. The oil is mobilized by the thickened CO. The mobilized oil is recovered with a recovery well drilled below the reservoir.