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:
Aug. 21, 2018
Filed:
Mar. 22, 2016
Saudi Arabian Oil Company, Dhahran, SA;
Abdullah Saleh Hussain Al-Yami, Dhahran, SA;
Vikrant Bhavanishankar Wagle, Abqaiq, SA;
Ziad Abdullrahman Saleh AlAbdullatif, Dhahran, SA;
Faramak Almassi, Dhahran, SA;
Abdulaziz S. Bubshait, Dhahran, SA;
Ali Mohammed Hussain Al Safran, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
A method includes adding a clay to water to form a suspension of clay in water, the clay including pieces of clay having an average diameter of at least 2 μm; adding a dispersant to the suspension of clay in water to form a drilling fluid; and injecting the drilling fluid into a well. In the drilling fluid, the dispersant interacts with the clay to form nanoscale particles of clay having an average diameter of less than 500 nm.