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:
Jul. 19, 2022
Filed:
Dec. 19, 2014
Halliburton Energy Services, Inc., Houston, TX (US);
Cato Russell McDaniel, Montgomery, TX (US);
Dale E. Jamison, Humble, TX (US);
Rui Shen, Humble, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A sag-resistant fluid, such as a drilling fluid, a completion fluid, or a spacer fluid, including a colloidal suspension that includes a continuous liquid phase and a solid phase suspended in the continuous liquid phase. The solid phase includes a plurality of particles, having an average diameter of the plurality of particles less than about 1000 nm. The sag-resistant fluid has a density of from about 7 to about 30 lbm/gal, and exhibits a density variation of less than about 0.5 lbm/gal over a time period of at least about 16 hours. A method including circulating the sag-resistant fluid through a well.