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:
Oct. 19, 2021
Filed:
Jun. 02, 2017
Applicant:
Afl Telecommunications Llc, Duncan, SC (US);
Inventors:
Rajesh Kamath, Kent, WA (US);
Brett Villiger, Simpsonville, SC (US);
Assignee:
AFL Telecommunications LLC, Duncan, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01); E21B 47/007 (2012.01); E21B 47/135 (2012.01);
U.S. Cl.
CPC ...
G02B 6/4432 (2013.01); E21B 47/007 (2020.05); E21B 47/135 (2020.05); G02B 6/4415 (2013.01); G02B 6/4488 (2013.01);
Abstract
A downhole strain sensing cable includes a core optical unit which includes a plurality of optical fibers. A fiber-reinforced polymer matrix layer surrounds and contacts the core optical unit. An extrusion layer surrounds and contacts the fiber-reinforced polymer matrix layer. An outer metal tube surrounds and contacts the extrusion layer.