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. 21, 2023
Filed:
Oct. 17, 2019
Basf SE, Ludwigshafen am Rhein, DE;
Faissal-Ali El-Toufaili, Ludwigshafen, DE;
Dennis Loesch, Ludwigshafen, DE;
Anna-Corina Schmidt, Trostberg, DE;
Tobias Joachim Zimmermann, Ludwigshafen, DE;
Markus Ostermayr, Ludwigshafen, DE;
Jack F. Tinsley, Houston, TX (US);
Brent Busby, Houston, TX (US);
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
Process of fracturing subterranean, oil-and/or gas-bearing formations by injecting an aqueous fracturing fluid into a wellbore at a rate and pressure sufficient to penetrate into the formation, and to initiate or extend fractures in the formation, wherein the aqueous fracturing fluid is obtained by mixing at least an aqueous base fluid and an aqueous polyacrylamide concentrate having a concentration of 3.1 to 14.9% by weight of polyacrylamides, relating to the total of all components of the aqueous polyacrylamide concentrate, and wherein at least a part of the aqueous fracturing fluid injected additionally comprises a proppant.