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:
Oct. 19, 2021
Filed:
Sep. 15, 2020
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Vikrant Wagle, Abqaiq, SA;
Abdullah Al-Yami, Dhahran, SA;
Rajendra A. Kalgaonkar, Abqaiq, SA;
Zainab Alsaihati, Saihat, SA;
Assignee:
SAUDI ARABIAN OIL COMPANY, Dhahran, SA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/12 (2006.01); C09K 8/03 (2006.01); C09K 8/516 (2006.01); C09K 8/508 (2006.01); E21B 31/00 (2006.01); C09K 8/504 (2006.01); E21B 21/00 (2006.01); E21B 33/138 (2006.01); E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
C09K 8/12 (2013.01); C09K 8/03 (2013.01); C09K 8/508 (2013.01); C09K 8/5045 (2013.01); C09K 8/5086 (2013.01); C09K 8/516 (2013.01); E21B 17/1057 (2013.01); E21B 21/003 (2013.01); E21B 31/005 (2013.01); E21B 33/138 (2013.01); C09K 2208/10 (2013.01);
Abstract
A convertible composition comprising a nanosilica drilling fluid, the nanosilica drilling fluid comprising an aqueous based drilling mud, where the aqueous based drilling mud comprises water, and an alkaline nanosilica dispersion, where the alkaline nanosilica dispersion comprises nanosilica; and a chemical activator, the chemical activator operable to hydrolyze in the presence of water to produce an acid, where a weight ratio of the alkaline nanosilica dispersion to the chemical activator is between 1 to 0.001 and 1 to 0.25.