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:
Sep. 22, 2020
Filed:
Feb. 29, 2016
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Srividhya Veeravalli Murali, Houston, TX (US);
Daniel Joshua Stark, Houston, TX (US);
David Yan Lap Wong, Humble, TX (US);
Boguslaw Wiecek, Kingwood, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/135 (2012.01); H04B 10/25 (2013.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 47/135 (2020.05); E21B 17/023 (2013.01); H04B 10/25891 (2020.05);
Abstract
A system, in some embodiments, comprises: a light source; a fiber optic cable coupled to surface equipment and to downhole equipment and illuminated with fixed-wavelength light by said light source; and a modulator to modulate said fixed-wavelength light in the fiber optic cable to communicate data between the surface equipment and the downhole equipment, wherein the modulator uses a modified half-duplex telemetry scheme.