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. 15, 2017
Filed:
Aug. 12, 2013
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Christopher L. Stokely, Houston, TX (US);
Neal G. Skinner, Lewisville, TX (US);
Leonardo de Oliveira Nunes, Rio de Janeiro, BR;
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/353 (2006.01); E21B 47/12 (2012.01); G01N 29/14 (2006.01); G01N 29/24 (2006.01); G01H 3/00 (2006.01); G01H 9/00 (2006.01);
U.S. Cl.
CPC ...
G01H 9/004 (2013.01); E21B 47/123 (2013.01); G01D 5/35361 (2013.01); G01H 3/00 (2013.01); G01N 29/14 (2013.01); G01N 29/2418 (2013.01); G01N 2201/088 (2013.01);
Abstract
A method and device for monitoring oil field operations with a fiber optic distributed acoustic sensor (DAS) that uses a continuous wave laser light source and modulates the continuous wave output of the laser light source with pseudo-random binary sequence codes.