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. 29, 2020
Filed:
Aug. 06, 2018
Saudi Arabian Oil Company, Dhahran, SA;
Durham University, Durham, GB;
M-i Drilling Fluids Uk Ltd, Aberdeen, GB;
Musarrat Halima Mohammed, Glasgo, GB;
Andrew Whiting, Durham, GB;
Hugh Christopher Greenwell, County Durham, GB;
Mona Al Batal, 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
Embodiments for an oil-based drilling fluid and methods of making the oil-based drilling fluid are provided, in which the oil-based drilling fluid comprising: an oil phase; an aqueous phase; at least one surfactant, in which at least one surfactant comprises a carboxylic acid having 10 or more glycol repeating units; and optionally, at least one emulsifying agent.