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. 30, 2025
Filed:
Jan. 10, 2023
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Xiaoguang Allan Zhong, Singapore, SG;
Shobeir Pirayeh Gar, Plano, TX (US);
Michael Linley Fripp, Singapore, SG;
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 33/128 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1208 (2013.01); E21B 33/128 (2013.01);
Abstract
Systems and methods for creating seals that expand during temperature drops. The seals may include a negative CTE material that is either internal or external to the sealing element; shape memory alloys (SMA) which exhibit negative CTE during a phase change; and/or external lattice structures with positive CTE components but negative overall CTE.