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. 03, 2021
Filed:
Oct. 15, 2018
Applicant:
Terves Inc., Euclid, OH (US);
Inventors:
Andrew Sherman, Mentor, OH (US);
Haixong Tang, Euclid, OH (US);
Assignee:
Terves, LLC, Euclid, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/03 (2006.01);
U.S. Cl.
CPC ...
C09K 8/032 (2013.01); C09K 8/03 (2013.01); C09K 2208/10 (2013.01);
Abstract
A modified high density brine for use in subterranean drilling and completion operations. The modified high density brine includes the addition of high density particle addition that can optionally be surface-modified. The resultant modified high density brine eliminates the need for toxic, corrosive, and costly ZrBradditions or other ionic additives to boost the density of the modified high density brine to 15-17 lbs./gallon or greater.