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.

Date of Patent:
Jul. 02, 2024

Filed:

Feb. 11, 2022
Applicant:

Exacta-frac Energy Services, Inc., Conroe, TX (US);

Inventors:

Lloyd Murray Dallas, Streetman, TX (US);

Joze John Hrupp, Montgomery, TX (US);

Ahmed Mohamed Saeed, Cypress, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1208 (2013.01);
Abstract

A wear-resistant annular seal assembly has a plurality of interlocking one-piece seal segments interleaved with a plurality of two-piece seal segments. The seal segments are made using wear-resistant rigid material such as steel, stainless steel or a composite material. In one embodiment the seal segments are coated with a fluoropolymer. A straddle packer includes a first and second spaced apart ones of the wear-resistant seal assemblies and a linear force generator for urging the first and second seal assemblies to a seal-set condition.


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