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:
Mar. 26, 2019
Filed:
Feb. 01, 2013
Applicant:
Halliburton Energy Services, Inc. (“hesi”), Duncan, OK (US);
Inventors:
Etienne M. Samson, Cypress, TX (US);
Tasneem A. Mandviwala, Katy, TX (US);
Michel J. Leblanc, Houston, TX (US);
Han-Sun Choi, Houston, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/12 (2006.01); G01V 8/10 (2006.01);
U.S. Cl.
CPC ...
G01V 8/10 (2013.01); G01V 3/12 (2013.01);
Abstract
A disclosed subsurface electromagnetic field monitoring system includes at least one fiberoptic cable to optically communicate measurements from an array of electromagnetic field sensors in a borehole. The array of electromagnetic field sensors includes a distributed feedback fiber laser strain sensor with electromagnetic field sensitivity.