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:
Nov. 06, 2018
Filed:
Nov. 09, 2016
Elementis Specialties, Inc., East Windsor, NJ (US);
David Dino, Cranbury, NJ (US);
Wouter Ijdo, Yardley, PA (US);
Jeffrey Thompson, Hightstown, NJ (US);
Kamal Said Kamal Elsayed, Plainsboro, NJ (US);
Elementis Specialties, Inc., East Windsor, NJ (US);
Abstract
A method of providing a substantially constant rheological profile of an oil-based drilling fluid over a temperature range of about 120° F. to about 40° F., comprising adding drilling fluid additive to the drilling fluid, wherein the drilling fluid additive comprises an organoclay composition comprising: organoclay compositions where a phyllosilicate clay is exchanged with quaternary ammonium ions having a formula of [NRRRR]wherein at least one of R, Rand Ris a mixture of branched alkyl groups.