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:
Dec. 20, 2022
Filed:
May. 22, 2020
Saudi Arabian Oil Company, Dhahran, SA;
Abdullah Al-Yami, Dhahran, SA;
Salem Alshammari, Dhahran, SA;
Vikrant Wagle, Dhahran, SA;
Hussain Albahrani, Dhahran, SA;
Zainab Alsaihati, Dhahran, SA;
Mohammad Alawami, Dhahran, SA;
Ali Al-Safran, Dhahran, SA;
Nasser Al-Alhareth, Dhahran, SA;
Abdullah Al-Awadh, Dhahran, SA;
Abdulaziz Alhelal, Dhahran, SA;
Abstract
Disclosed are methods of preparing drilling fluid compositions containing treated calcium bentonite. One such method includes mixing calcium bentonite with an aqueous mixture containing soda ash, followed by adding starch to form the treated bentonite mixture that is used to prepare a drilling fluid composition. Another method includes mixing the calcium bentonite with an aqueous mixture containing soda ash and magnesium oxide, followed by adding starch to form the treated bentonite mixture that is used to prepare a drilling fluid composition.