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. 09, 2019
Filed:
Nov. 15, 2016
Applicant:
M-i L.l.c., Houston, TX (US);
Inventors:
Mark R. Luyster, Houston, TX (US);
LaTosha Moore, Richmond, TX (US);
Andrew G. K. Jones, Cape Town, ZA;
Assignee:
M-I L.L.C., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/52 (2006.01); E21B 37/00 (2006.01); C09K 8/524 (2006.01); C09K 8/528 (2006.01); C09K 8/86 (2006.01); E21B 37/06 (2006.01);
U.S. Cl.
CPC ...
C09K 8/52 (2013.01); C09K 8/524 (2013.01); C09K 8/528 (2013.01); C09K 8/86 (2013.01); E21B 37/00 (2013.01); E21B 37/06 (2013.01); C09K 2208/32 (2013.01);
Abstract
A breaker fluid for breaking a filtercake in a wellbore. The fluid including a hydrolysable ester of carboxylic acid, and a chelant, an alkyl glycoside, or a combination thereof. The breaker fluid may be pre-mixed and include an amount of water less than required to completely hydrolyze the ester.