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. 23, 2021
Filed:
Aug. 31, 2016
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Mohan Kanaka Raju Panga, Sugar Land, TX (US);
Christopher Daeffler, Houston, TX (US);
Andrey Yakovlev, Primorsk, RU;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); C09K 8/74 (2006.01); E21B 43/25 (2006.01); C09K 8/60 (2006.01); E21B 37/06 (2006.01); E21B 41/02 (2006.01);
U.S. Cl.
CPC ...
C09K 8/74 (2013.01); C09K 8/602 (2013.01); E21B 37/06 (2013.01); E21B 41/02 (2013.01); E21B 43/25 (2013.01); E21B 43/26 (2013.01); C09K 2208/08 (2013.01); C09K 2208/30 (2013.01);
Abstract
Described herein are methods for on the fly mixing of retarded acidizing fluids containing acid, a water-soluble acid retarding agent (RA), and optionally a viscoelastic surfactant (VES), and for on the fly mixing of diversion fluids containing VES and RA in the same equipment. Also described are methods of controlling the preparation of such fluids based on feedback composition analyses.