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:
Aug. 06, 2024
Filed:
May. 20, 2019
Applicant:
Minex Crc Ltd, Kensington, AU;
Inventors:
Assignee:
MINEX CRC LTD, Kensington, AU;
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/035 (2006.01); C09K 8/03 (2006.01); E21B 21/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); C09K 8/032 (2013.01); E21B 21/003 (2013.01); C09K 2208/08 (2013.01);
Abstract
The present invention relates to drilling fluids which reduce fluid and cutting loss during the drilling of subterranean wells. More specifically, the drilling fluids disclosed herein comprise natural and synthetic polymer blends that are effective to provide the fluid with a high viscosity under low shear rates and a low viscosity under high shear rates. The present invention also relates to methods for using the drilling fluids for reducing fluid and cutting loss during drilling.