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:
Mar. 14, 2023
Filed:
Nov. 27, 2008
Applicants:
Mark Aston, Teddington, GB;
Kenneth Richard Seddon, Donaghadee, GB;
David Francis Wassell, Belfast, GB;
Inventors:
Mark Aston, Teddington, GB;
Kenneth Richard Seddon, Donaghadee, GB;
David Francis Wassell, Belfast, GB;
Assignee:
The Queen's University Belfast, Belfast, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/035 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); C09K 2208/12 (2013.01);
Abstract
The invention provides a wellbore fluid which comprises an aqueous continuous phase and, dissolved in said aqueous continuous phase, at least one salt containing an imidazolium cation having at least 6 carbon atoms, and a method of carrying out a wellbore operation, which comprises introducing into a wellbore in a clay-containing formation, a wellbore fluid according to the invention. The described salts are effective shale inhibitors.