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:
Jun. 16, 2026
Filed:
Mar. 28, 2024
Saudi Arabian Oil Company, Dhahran, SA;
Vikrant Wagle, Dhahran, SA;
Rajendra Kalgaonkar, Dhahran, SA;
Abdullah Al-Yami, Dhahran, SA;
Mohammad Alharthi, Dammam, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
A lost circulation material (LCM) composition comprising a spent drilling fluid and a chemical activator. The spent drilling fluid may comprise an aqueous solution, contaminants comprising heavy metals, salt, or both, and an alkaline nanosilica dispersion. The chemical activator may comprise a water soluble hydrolysable polyester. The spent drilling fluid may also have a pH and a gel pH, wherein the pH of the spent drilling fluid is greater than the gel pH.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile