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:
Mar. 02, 2021
Filed:
Nov. 21, 2014
Halliburton Energy Services, Inc., Houston, TX (US);
Jonathan Paul Walker, Cypress, TX (US);
Matthew Lynn Miller, Spring, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Lost circulation compositions, systems, and methods of using the same are described. A lost circulation composition comprises a water-swellable starch graft copolymer; and a carrier fluid. A method for bridging a lost circulation zone comprises providing a lost circulation composition comprising a water-swellable starch graft copolymer and a carrier fluid. Then introducing the lost circulation composition into a wellbore within a subterranean formation, wherein the subterranean formation comprises a lost circulation zone. Finally the lost circulation composition is placed into the lost circulation zone.