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:
Jan. 08, 2019
Filed:
Feb. 18, 2014
Halliburton Energy Services, Inc., Houston, TX (US);
Larry Steven Eoff, Duncan, OK (US);
B. Raghava Reddy, The Woodlands, TX (US);
Natalie Pascarella, Houston, TX (US);
Amare Mebratu, Stavanger, NO;
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Methods for forming a fluid seal in a subterranean formation may comprise: providing a treatment fluid comprising an aqueous carrier fluid, a sealant composition, and a crosslinked polysaccharide composition. The treatment fluid is introduced into a wellbore penetrating a subterranean formation and the crosslinked polysaccharide composition is formed into a viscosified gel in the wellbore. The viscosified gel substantially spans the diameter of the wellbore and holds the sealant composition in place. After forming the crosslinked polysaccharide composition into a viscosified gel in the wellbore, forming a fluid seal in the wellbore with the sealant composition.