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. 27, 2021
Filed:
Aug. 07, 2018
Saudi Arabian Oil Company, Dhahran, SA;
Durham University, Durham, GB;
M-i Drilling Fluids Uk Ltd, Aberdeen, GB;
Musarrat Halima Mohammed, Glasgow, GB;
Andrew Whiting, Durham, GB;
Hugh Christopher Greenwell, County Durham, GB;
Manohara Gudiyor Veerabhadrappa, Durham, GB;
John Adrian Hall, Dhahran Hills, SA;
Gasan Selman Alabedi, Cheshire, GB;
Michael Hayward Hodder, Aberdeen, GB;
Saudi Arabian Oil Company, Dhahran, SA;
Durham University, Durham, GB;
M-I Drilling Fluids UK Ltd, Aberdeen, GB;
Abstract
A method of preparing and a composition of an oil-based drilling fluid. An oil-based drilling fluid includes a base oil continuous phase, in which the base oil continuous phase includes a base oil, an aqueous dispersed phase, and at least one rheology modifier comprising a modified magnesium/aluminum carbonate layered-double hydroxide (Mg/Al—COLDH) compound.