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:
Apr. 12, 2022
Filed:
Jul. 07, 2020
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Vikrant Wagle, Dhahran, SA;
Rajendra Arunkumar Kalgaonkar, Dhahran, SA;
Abdullah Al-Yami, Dhahran, SA;
Sara Alkhalaf, Alkhobar, SA;
Assignee:
SAUDI ARABIAN OIL COMPANY, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/504 (2006.01); C09K 8/516 (2006.01);
U.S. Cl.
CPC ...
C09K 8/5045 (2013.01); C09K 8/516 (2013.01); C09K 2208/10 (2013.01);
Abstract
Provided is a lost circulation material that may consist essentially of an alkaline nanosilica dispersion and a sodium bicarbonate activator. Further provided are methods that may control lost circulation in a lost circulation zone in a wellbore by introducing the lost circulation material such that it contacts the lost circulation zone and forms a gelled solid in the lost circulation zone.