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. 15, 2025
Filed:
Jun. 19, 2023
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Rajendra Arunkumar Kalgaonkar, Dhahran, SA;
Qasim Abdullah Sahu, Muntazah, SA;
Assignee:
SAUDI ARABIAN OIL COMPANY, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/138 (2006.01); C09K 8/516 (2006.01);
U.S. Cl.
CPC ...
C09K 8/516 (2013.01); E21B 33/138 (2013.01); C09K 2208/10 (2013.01);
Abstract
Compositions and methods for providing water shut off within a water producing zone of a wellbore. The composition includes alkaline nanosilica particles and hydrolysable ester-based 3D engineered non-convex particles. The method includes dissolving the hydrolysable ester-based 3D engineered non-convex particles to release an acid, which reacts with the alkaline nanosilica particles to form a solid.