Roger Glen Duncan

Person

Christiansburg, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
DAS-based downhole tool orientation determination
- Patent number 10,633,965
- Issue date Apr 28, 2020
- Baker Hughes, a GE company, LLC
- Daniel Boyd Cooper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Depth correction based on optical path measurements
- Patent number 10,429,542
- Issue date Oct 1, 2019
- Baker Hughes, a GE company, LLC
- Brooks A Childers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Distributed downhole acousting sensing
- Patent number 9,784,862
- Issue date Oct 10, 2017
- Baker Hughes Incorporated
- Brooks A. Childers
- G01 - MEASURING TESTING
Information Patent Grant
Temperature sensing arrangement, method of making the same and meth...
- Patent number 9,683,902
- Issue date Jun 20, 2017
- Baker Hughes Incorporated
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Grant
Arrayed wave division multiplexing to improve spatial resolution of...
- Patent number 9,551,809
- Issue date Jan 24, 2017
- Baker Hughes Incorporated
- Alexander M. Barry
- G02 - OPTICS
Information Patent Grant
Enhancing functionality of reflectometry based systems using parall...
- Patent number 9,546,915
- Issue date Jan 17, 2017
- Baker Hughes Incorporated
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Grant
Fiber optic shape sensing system using anchoring points
- Patent number 9,494,416
- Issue date Nov 15, 2016
- Baker Hughes Incorporated
- Roger Glen Duncan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device and method for discrete distributed optical fiber pressure s...
- Patent number 9,476,294
- Issue date Oct 25, 2016
- Baker Hughes Incorporated
- Robert M. Harman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Distributed marinized borehole system
- Patent number 9,435,197
- Issue date Sep 6, 2016
- Baker Hughes Incorporated
- Roger G. Duncan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Incoherent reflectometry utilizing chaotic excitation of light sources
- Patent number 9,410,903
- Issue date Aug 9, 2016
- Baker Hughes Incorporated
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Grant
System for monitoring linearity of down-hole pumping systems during...
- Patent number 9,341,054
- Issue date May 17, 2016
- Baker Hughes Incorporated
- Robert M. Harman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Optical fiber sensing with enhanced backscattering
- Patent number 9,321,222
- Issue date Apr 26, 2016
- Baker Hughes Incorporated
- Brooks A. Childers
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polarization scrambling in interferometer systems
- Patent number 9,291,505
- Issue date Mar 22, 2016
- Baker Hughes Incorporated
- Brooks A. Childers
- G01 - MEASURING TESTING
Information Patent Grant
Combined swept-carrier and swept-modulation frequency optical frequ...
- Patent number 9,267,821
- Issue date Feb 23, 2016
- Baker Hughes Incorporated
- Brooks A. Childers
- G01 - MEASURING TESTING
Information Patent Grant
Acoustic sensing system for determining an interface between two ma...
- Patent number 9,213,121
- Issue date Dec 15, 2015
- Baker Hughes Incorporated
- Brooks Childers
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for monitoring vibration using fiber optic sen...
- Patent number 9,200,508
- Issue date Dec 1, 2015
- Baker Hughes Incorporated
- Roger G. Duncan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Optical cable, downhole system having optical cable, and method the...
- Patent number 9,063,315
- Issue date Jun 23, 2015
- Baker Hughes Incorporated
- Daniel B. Cooper
- G01 - MEASURING TESTING
Information Patent Grant
System for monitoring linearity of down-hole pumping systems during...
- Patent number 8,950,472
- Issue date Feb 10, 2015
- Baker Hughes Incorporated
- Robert M. Harman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Optical network configuration with intrinsic delay for swept-wavele...
- Patent number 8,797,541
- Issue date Aug 5, 2014
- Baker Hughes Incorporated
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Grant
Distance measurement using incoherent optical reflectometry
- Patent number 8,681,322
- Issue date Mar 25, 2014
- Baker Hughes Incorporated
- Alexander M. Barry
- G01 - MEASURING TESTING
Information Patent Grant
Sensor array configuration for swept-wavelength interferometric-bas...
- Patent number 8,638,444
- Issue date Jan 28, 2014
- Baker Hughes Incorporated
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Grant
System and method of distributed fiber optic sensing including inte...
- Patent number 8,614,795
- Issue date Dec 24, 2013
- Baker Hughes Incorporated
- Roger Duncan
- G01 - MEASURING TESTING
Information Patent Grant
Programmable filters for improving data fidelity in swept-wavelengt...
- Patent number 8,592,747
- Issue date Nov 26, 2013
- Baker Hughes Incorporated
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods for optically generated trigger multiplication
- Patent number 8,508,747
- Issue date Aug 13, 2013
- Baker Hughes Incorporated
- Brooks A. Childers
- G01 - MEASURING TESTING
Information Patent Grant
System and method for effective isolation of an interferometer
- Patent number 8,474,782
- Issue date Jul 2, 2013
- Baker Hughes Incorporated
- David Dixon
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sensor array configuration for extending useful sensing length of a...
- Patent number 8,208,767
- Issue date Jun 26, 2012
- Baker Hughes Incorporated
- Roger G. Duncan
- G01 - MEASURING TESTING
Information Patent Grant
Fiber optic position and shape sensing device and method relating t...
- Patent number 7,781,724
- Issue date Aug 24, 2010
- Luna Innovations Incorporated
- Brooks A. Childers
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Fiber optic position and/or shape sensing based on rayleigh scatter
- Patent number 7,772,541
- Issue date Aug 10, 2010
- Luna Innnovations Incorporated
- Mark E. Froggatt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
DISTRIBUTED STRAIN MONITORING FOR DOWNHOLE TOOLS
- Publication number 20160265905
- Publication date Sep 15, 2016
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
ARRAYED WAVE DIVISION MULTIPLEXING TO IMPROVE SPATIAL RESOLUTION OF...
- Publication number 20160223710
- Publication date Aug 4, 2016
- BAKER HUGHES INCORPORATED
- Alexander M. Barry
- G02 - OPTICS
Information Patent Application
DAS-BASED DOWNHOLE TOOL ORIENTATION DETERMINATION
- Publication number 20160084074
- Publication date Mar 24, 2016
- BAKER HUGHES INCORPORATED
- Daniel Boyd Cooper
- G01 - MEASURING TESTING
Information Patent Application
FIBER OPTIC SHAPE SENSING SYSTEM USING ANCHORING POINTS
- Publication number 20150219445
- Publication date Aug 6, 2015
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
DISTRIBUTED MARINIZED BOREHOLE SYSTEM
- Publication number 20150198031
- Publication date Jul 16, 2015
- BAKER HUGHES INCORPORATED
- Roger G. Duncan
- E21 - EARTH DRILLING MINING
Information Patent Application
DEPTH CORRECTION BASED ON OPTICAL PATH MEASUREMENTS
- Publication number 20150177411
- Publication date Jun 25, 2015
- BAKER HUGHES INCORPORATED
- Brooks A Childers
- G01 - MEASURING TESTING
Information Patent Application
USE OF BRAGG GRATINGS WITH COHERENT OTDR
- Publication number 20150146209
- Publication date May 28, 2015
- BAKER HUGHES INCORPORATED
- Brooks A. Childers
- G01 - MEASURING TESTING
Information Patent Application
System for Monitoring Linearity of Down-Hole Pumping Systems During...
- Publication number 20150129206
- Publication date May 14, 2015
- BAKER HUGHES INCORPORATED
- Robert M. Harman
- E21 - EARTH DRILLING MINING
Information Patent Application
FIBER OPTIC DISTRIBUTED ACOUSTIC MEASUREMENTS VIA FMCW INTERROGATION
- Publication number 20150085610
- Publication date Mar 26, 2015
- BAKER HUGHES INCORPORATED
- Matthew Thomas Raum
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL CABLE, DOWNHOLE SYSTEM HAVING OPTICAL CABLE, AND METHOD THE...
- Publication number 20150083904
- Publication date Mar 26, 2015
- BAKER HUGHES INCOPORATED
- Daniel B. Cooper
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER SENSING WITH ENHANCED BACKSCATTERING
- Publication number 20150048243
- Publication date Feb 19, 2015
- BAKER HUGHES INCORPORATED
- Brooks A. Childers
- G01 - MEASURING TESTING
Information Patent Application
WELL MONITORING USING COHERENT DETECTION OF RAYLEIGH SCATTER
- Publication number 20140327915
- Publication date Nov 6, 2014
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
DISTRIBUTED ACOUSTIC MONITORING VIA TIME-SHEARED INCOHERENT FREQUEN...
- Publication number 20140230536
- Publication date Aug 21, 2014
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
TEMPERATURE SENSING ARRANGEMENT, METHOD OF MAKING THE SAME AND METH...
- Publication number 20140198823
- Publication date Jul 17, 2014
- BAKER HUGHES CORPORATION
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
HYDROGEN RESISTANT DOWNHOLE OPTICAL FIBER SENSING
- Publication number 20140158877
- Publication date Jun 12, 2014
- Paul F. Wysocki
- G01 - MEASURING TESTING
Information Patent Application
POLARIZATION SCRAMBLING IN INTERFEROMETER SYSTEMS
- Publication number 20140160483
- Publication date Jun 12, 2014
- Brooks A. Childers
- G01 - MEASURING TESTING
Information Patent Application
ACOUSTIC SENSING SYSTEM FOR DETERMINING AN INTERFACE BETWEEN TWO MA...
- Publication number 20140160888
- Publication date Jun 12, 2014
- Brooks Childers
- G01 - MEASURING TESTING
Information Patent Application
DISTRIBUTED DOWNHOLE ACOUSTING SENSING
- Publication number 20140150548
- Publication date Jun 5, 2014
- Brooks A. Childers
- G01 - MEASURING TESTING
Information Patent Application
ENHANCING FUNCTIONALITY OF REFLECTOMETRY BASED SYSTEMS USING PARALL...
- Publication number 20130093598
- Publication date Apr 18, 2013
- BAKER HUGHES INCORPORATED
- Roger Glen DUNCAN
- G01 - MEASURING TESTING
Information Patent Application
DISTANCE MEASUREMENT USING INCOHERENT OPTICAL REFLECTOMETRY
- Publication number 20130094011
- Publication date Apr 18, 2013
- BAKER HUGHES INCORPORATED
- Alexander M. Barry
- G01 - MEASURING TESTING
Information Patent Application
INCOHERENT REFLECTOMETRY UTILIZING CHAOTIC EXCITATION OF LIGHT SOURCES
- Publication number 20130093599
- Publication date Apr 18, 2013
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
Monitoring Structural Shape or Deformations with Helical-Core Optic...
- Publication number 20130094798
- Publication date Apr 18, 2013
- BAKER HUGHES INCORPORATED
- Roger G. Duncan
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD OF DISTRIBUTED FIBER OPTIC SENSING INCLUDING INTE...
- Publication number 20130021615
- Publication date Jan 24, 2013
- BAKER HUGHES INCORPORATED
- Roger Duncan
- G01 - MEASURING TESTING
Information Patent Application
Optical Network Configuration with Intrinsic Delay for Swept-Wavele...
- Publication number 20130016979
- Publication date Jan 17, 2013
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD TO COMPENSATE FOR ARBITRARY OPTICAL FIBER LEAD-IN...
- Publication number 20120237205
- Publication date Sep 20, 2012
- BAKER HUGHES INCORPORATED
- Roger G. Duncan
- E21 - EARTH DRILLING MINING
Information Patent Application
Use of Digital Transport Delay to Improve Measurement Fidelity in S...
- Publication number 20120200422
- Publication date Aug 9, 2012
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
Programmable Filters for Improving Data Fidelity in Swept-Wavelengt...
- Publication number 20120181420
- Publication date Jul 19, 2012
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR INTEGRATED DOWNHOLE SENSING AND OPTICAL FIBER...
- Publication number 20120176250
- Publication date Jul 12, 2012
- BAKER HUGHES INCORPORATED
- Roger G. Duncan
Information Patent Application
Sensor Array Configuration for Swept-Wavelength Interferometric-Bas...
- Publication number 20120175513
- Publication date Jul 12, 2012
- BAKER HUGHES INCORPORATED
- Roger Glen Duncan
- G01 - MEASURING TESTING
Information Patent Application
RAYLEIGH SCATTER-BASED LARGE DIAMETER WAVEGUIDE SENSOR SYSTEM
- Publication number 20120175512
- Publication date Jul 12, 2012
- BAKER HUGHES INCORPORATED
- Roger G. Duncan
- E21 - EARTH DRILLING MINING

Roger Glen Duncan

Person

Patents Grantslast 30 patents

DAS-based downhole tool orientation determination

Depth correction based on optical path measurements

Distributed downhole acousting sensing

Temperature sensing arrangement, method of making the same and meth...

Arrayed wave division multiplexing to improve spatial resolution of...

Enhancing functionality of reflectometry based systems using parall...

Fiber optic shape sensing system using anchoring points

Device and method for discrete distributed optical fiber pressure s...

Distributed marinized borehole system

Incoherent reflectometry utilizing chaotic excitation of light sources

System for monitoring linearity of down-hole pumping systems during...

Optical fiber sensing with enhanced backscattering

Polarization scrambling in interferometer systems

Combined swept-carrier and swept-modulation frequency optical frequ...

Acoustic sensing system for determining an interface between two ma...

Method and apparatus for monitoring vibration using fiber optic sen...

Optical cable, downhole system having optical cable, and method the...

System for monitoring linearity of down-hole pumping systems during...

Optical network configuration with intrinsic delay for swept-wavele...

Distance measurement using incoherent optical reflectometry

Sensor array configuration for swept-wavelength interferometric-bas...

System and method of distributed fiber optic sensing including inte...

Programmable filters for improving data fidelity in swept-wavelengt...

Systems and methods for optically generated trigger multiplication

System and method for effective isolation of an interferometer

Sensor array configuration for extending useful sensing length of a...

Fiber optic position and shape sensing device and method relating t...

Fiber optic position and/or shape sensing based on rayleigh scatter

Patents Applicationslast 30 patents

DISTRIBUTED STRAIN MONITORING FOR DOWNHOLE TOOLS

ARRAYED WAVE DIVISION MULTIPLEXING TO IMPROVE SPATIAL RESOLUTION OF...

DAS-BASED DOWNHOLE TOOL ORIENTATION DETERMINATION

FIBER OPTIC SHAPE SENSING SYSTEM USING ANCHORING POINTS

DISTRIBUTED MARINIZED BOREHOLE SYSTEM

DEPTH CORRECTION BASED ON OPTICAL PATH MEASUREMENTS

USE OF BRAGG GRATINGS WITH COHERENT OTDR

System for Monitoring Linearity of Down-Hole Pumping Systems During...

FIBER OPTIC DISTRIBUTED ACOUSTIC MEASUREMENTS VIA FMCW INTERROGATION

OPTICAL CABLE, DOWNHOLE SYSTEM HAVING OPTICAL CABLE, AND METHOD THE...

OPTICAL FIBER SENSING WITH ENHANCED BACKSCATTERING

WELL MONITORING USING COHERENT DETECTION OF RAYLEIGH SCATTER

DISTRIBUTED ACOUSTIC MONITORING VIA TIME-SHEARED INCOHERENT FREQUEN...

TEMPERATURE SENSING ARRANGEMENT, METHOD OF MAKING THE SAME AND METH...

HYDROGEN RESISTANT DOWNHOLE OPTICAL FIBER SENSING

POLARIZATION SCRAMBLING IN INTERFEROMETER SYSTEMS

ACOUSTIC SENSING SYSTEM FOR DETERMINING AN INTERFACE BETWEEN TWO MA...

DISTRIBUTED DOWNHOLE ACOUSTING SENSING

ENHANCING FUNCTIONALITY OF REFLECTOMETRY BASED SYSTEMS USING PARALL...

DISTANCE MEASUREMENT USING INCOHERENT OPTICAL REFLECTOMETRY

INCOHERENT REFLECTOMETRY UTILIZING CHAOTIC EXCITATION OF LIGHT SOURCES

Monitoring Structural Shape or Deformations with Helical-Core Optic...

SYSTEM AND METHOD OF DISTRIBUTED FIBER OPTIC SENSING INCLUDING INTE...

Optical Network Configuration with Intrinsic Delay for Swept-Wavele...

SYSTEM AND METHOD TO COMPENSATE FOR ARBITRARY OPTICAL FIBER LEAD-IN...

Use of Digital Transport Delay to Improve Measurement Fidelity in S...

Programmable Filters for Improving Data Fidelity in Swept-Wavelengt...

SYSTEM AND METHOD FOR INTEGRATED DOWNHOLE SENSING AND OPTICAL FIBER...

Sensor Array Configuration for Swept-Wavelength Interferometric-Bas...

RAYLEIGH SCATTER-BASED LARGE DIAMETER WAVEGUIDE SENSOR SYSTEM