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. 02, 2018
Filed:
Mar. 03, 2017
Saudi Arabian Oil Company, Dhahran, SA;
Durham University, Durham, GB;
M-i Drilling Fluids U.k. Limited, Westhill, Scotland, GB;
Musarrat H. Mohammed, Glasgow, GB;
Hugh Christopher Greenwell, County Durham, GB;
Manohara Gudiyor Veerabhadrappa, Durham, GB;
John Adrian Hall, Dhahran, SA;
Gasan Selman Alabedi, Cheshire, GB;
Andrew Whiting, Durham, GB;
Michael Hayward Hodder, Aberdeen, GB;
Saudi Arabian Oil Company, Dhahran, SA;
Durham University, Durham, GB;
M-I Drilling Fluids U.K. Limited, Westhill, GB;
Abstract
An oil-based drilling fluid and method of preparing an oil-based drilling fluid are disclosed. The oil-based drilling fluid comprising a base oil continuous phase, an aqueous discontinuous phase, and at least one rheology modifier. The at least one rheology modifier including an alkaline-earth diamondoid compound. The method of preparing the oil-based drilling fluid including mixing a base oil, at least one emulsifier, and at least one wetting agent to form a first mixture, adding and mixing at least one rheology modifier into the first mixture to form a second mixture, adding and mixing at least one fluid-loss control additive into the second mixture to form a third mixture, adding and mixing a brine solution into the third mixture to form a fourth mixture, and adding and mixing a weighting additive into the fourth mixture to form the oil-based drilling fluid.