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:
Aug. 19, 2014
Filed:
Jul. 23, 2013
Applicant:
Lxdata Inc, Saint-Laurent, CA;
Inventors:
Bai Zhou, Brossard, CA;
Sebastien Miville, Saint-Eustache, CA;
Andre R Vincelette, Deux-Montagnes, CA;
Assignee:
Weatherford Canada Partnership, Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for measuring a physical parameter at a plurality of spaced locations in a subterranean formation using a temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.