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:
Dec. 19, 2023

Filed:

Sep. 14, 2020
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

John Paul Bir Singh, Kingwood, TX (US);

Mikko Jaaskelainen, Kingwood, TX (US);

John L. Maida, Houston, TX (US);

Krishna Babu Yerubandi, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/00 (2012.01); E21B 47/10 (2012.01); E21B 47/14 (2006.01); E21B 47/005 (2012.01); E21B 47/113 (2012.01); E21B 47/135 (2012.01); E21B 47/007 (2012.01); E21B 21/00 (2006.01); E21B 33/14 (2006.01); E21B 47/107 (2012.01); G06N 3/08 (2023.01); E21B 47/103 (2012.01);
U.S. Cl.
CPC ...
E21B 47/005 (2020.05); E21B 21/003 (2013.01); E21B 33/14 (2013.01); E21B 47/007 (2020.05); E21B 47/10 (2013.01); E21B 47/114 (2020.05); E21B 47/135 (2020.05); E21B 47/103 (2020.05); E21B 47/107 (2020.05); G06N 3/08 (2013.01);
Abstract

Locating a loss zone while cementing a well casing in a well bore includes: inserting a fiber-optic cable into the well bore, wherein the fiber optic cable is part of one or more Distributed Fiber-Optic Sensing (DFOS) systems; detecting a loss circulation signature, while cementing the well casing, at a point along the fiber-optic cable by at least one of the one or more DFOS systems; and locating the loss zone within the well bore based on the point along the fiber-optic cable at which the loss circulation signature was detected.


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