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:
Sep. 20, 2022
Filed:
Apr. 05, 2019
Halliburton Energy Services, Inc., Houston, TX (US);
Board of Regents, the University of Texas System, Austin, TX (US);
Michael Linley Fripp, Carrollton, TX (US);
Xiaoguang Allan Zhong, Plano, TX (US);
Kejia Yang, Dallas, TX (US);
Walter Voit, Dallas, TX (US);
Nelson Yan Loo Lee, Singapore, SG;
Yong Dai Tan, Singapore, SG;
Bing Hong Chee, Singapore, SG;
Ee Wen Wong, Singapore, SG;
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM, Austin, TX (US);
Abstract
A wellbore isolation device includes a mandrel, a sealing element disposed around at least a portion of the mandrel, and a delay coating disposed on at least a portion of an outer surface of the sealing element. The sealing element includes a swellable material and the delay coating covers a cross-linked polymer. The delay coating is configured to swell or degrade in a wellbore fluid.