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:
May. 19, 2026
Filed:
Mar. 07, 2025
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Tint Htoo Aung, Houston, TX (US);
Balkrishna Gadiyar, Houston, TX (US);
Juan-Carlos Santamaria, Sugar Land, TX (US);
Cedric Manzoleloua, Houston, TX (US);
Hui Zhang, Houston, TX (US);
Edward Derkach, Houston, TX (US);
Christopher Daeffler, Sugar Land, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/04 (2006.01); C09K 8/575 (2006.01);
U.S. Cl.
CPC ...
C09K 8/5758 (2013.01); E21B 43/04 (2013.01); C09K 2208/10 (2013.01);
Abstract
A high density carrier fluid for use in placing a gravel pack within a wellbore includes a modified starch, a magnesium oxide, and a nano-crystalline-cellulose having a median diameter of about 20 nanometers or less. The carrier fluid includes an aqueous base fluid and dissolved salts. Related methods include methods of making and using the carrier fluids.