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Bradley David Dunbar
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The Woodlands, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Mechanically attached strain device
Patent number
12,078,558
Issue date
Sep 3, 2024
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for communicating with a downhole tool
Patent number
11,933,157
Issue date
Mar 19, 2024
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Floating ball pressure sensor
Patent number
11,761,323
Issue date
Sep 19, 2023
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mitigation of high frequency coupled vibrations in PDC bits using i...
Patent number
11,748,531
Issue date
Sep 5, 2023
Halliburton Energy Services, Inc.
Shilin Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Force measurements about secondary contacting structures
Patent number
11,708,755
Issue date
Jul 25, 2023
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole dynamometer
Patent number
11,692,428
Issue date
Jul 4, 2023
Halliburton Energy Services, Inc.
Lyn Duane Labahn
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mitigation of cutting-induced stick-slip vibration during drilling...
Patent number
11,687,690
Issue date
Jun 27, 2023
Halliburton Energy Services, Inc.
Shilin Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Fixed-cutter drill bits with reduced cutting arc length on innermos...
Patent number
11,649,681
Issue date
May 16, 2023
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual synchronized measurement puck for downhole forces
Patent number
11,619,123
Issue date
Apr 4, 2023
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit with adjustable inner gauge configuration
Patent number
11,293,232
Issue date
Apr 5, 2022
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring drill bit with mechanically attached strain puck
Patent number
11,162,350
Issue date
Nov 2, 2021
Halliburton Energy Services, Inc.
Bradley David Dunbar
G01 - MEASURING TESTING
Information
Patent Grant
Adjustable downhole nozzle
Patent number
10,920,500
Issue date
Feb 16, 2021
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Storing data based on a value associated with an ambient condition...
Patent number
10,822,945
Issue date
Nov 3, 2020
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit and method for casing while drilling
Patent number
10,711,527
Issue date
Jul 14, 2020
Halliburton Energy Services, Inc.
Gustav Edward Lange
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic control of downhole tools
Patent number
10,487,602
Issue date
Nov 26, 2019
Halliburton Energy Services, Inc.
John Gerard Evans
E21 - EARTH DRILLING MINING
Information
Patent Grant
Adjustable depth of cut control for a downhole drilling tool
Patent number
10,472,897
Issue date
Nov 12, 2019
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling system drag member for simultaneous drilling and reaming
Patent number
10,400,571
Issue date
Sep 3, 2019
Halliburton Energy Services, Inc.
John Gerard Evans
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotating superhard cutting element
Patent number
10,280,688
Issue date
May 7, 2019
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
RECURSIVE SIMULATED EXECUTION OF DOWNHOLE CUTTING STRUCTURE PERFORM...
Publication number
20240193316
Publication date
Jun 13, 2024
Halliburton Energy Services, Inc.
Shilin Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Force Measurements About Secondary Contacting Structures
Publication number
20230313667
Publication date
Oct 5, 2023
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
Force Measurements About Secondary Contacting Structures
Publication number
20230137825
Publication date
May 4, 2023
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE PRESSURE CALCULATION BASED ON STRAIN GAUGE MEASUREMENTS
Publication number
20230108851
Publication date
Apr 6, 2023
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
REDUNDANCY ENHANCED REMOVAL OF PRESSURE-EFFECT OFFSET FOR DRILL BIT...
Publication number
20230108781
Publication date
Apr 6, 2023
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
MITIGATION OF CUTTING-INDUCED STICK-SLIP VIBRATION DURING DRILLING...
Publication number
20220121791
Publication date
Apr 21, 2022
Halliburton Energy Services, Inc.
Shilin Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MITIGATION OF HIGH FREQUENCY COUPLED VIBRATIONS IN PDC BITS USING I...
Publication number
20220121790
Publication date
Apr 21, 2022
Halliburton Energy Services, Inc.
Shilin Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR COMMUNICATING WITH A DOWNHOLE TOOL
Publication number
20220018239
Publication date
Jan 20, 2022
Halliburton Energy Services, Inc.
Bradley David DUNBAR
E21 - EARTH DRILLING MINING
Information
Patent Application
Floating Ball Pressure Sensor
Publication number
20220010637
Publication date
Jan 13, 2022
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
FIXED-CUTTER DRILL BITS WITH REDUCED CUTTING ARC LENGTH ON INNERMOS...
Publication number
20220003047
Publication date
Jan 6, 2022
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
Systems and Methods for Drilling a Borehole using Depth of Cut Meas...
Publication number
20210301641
Publication date
Sep 30, 2021
Halliburton Energy Services, Inc.
Bradley D. Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Dynamometer
Publication number
20210148216
Publication date
May 20, 2021
Halliburton Energy Services, Inc.
Lyn Duane Labahn
E21 - EARTH DRILLING MINING
Information
Patent Application
EARTH-BORING DRILL BIT WITH MECHANICALLY ATTACHED STRAIN PUCK
Publication number
20210131264
Publication date
May 6, 2021
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL SYNCHRONIZED MEASUREMENT PUCK FOR DOWNHOLE FORCES
Publication number
20210131263
Publication date
May 6, 2021
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill Bit With Adjustable Inner Gauge Configuration
Publication number
20200165876
Publication date
May 28, 2020
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill Bit and Method for Casing While Drilling
Publication number
20180195348
Publication date
Jul 12, 2018
Halliburton Energy Services, Inc.
Gustav Edward Lange
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING SYSTEM DRAG MEMBER FOR SIMULTANEOUS DRILLING AND REAMING
Publication number
20180163480
Publication date
Jun 14, 2018
Halliburton Energy Services, Inc.
John Gerard EVANS
E21 - EARTH DRILLING MINING
Information
Patent Application
Hydraulic Control of Downhole Tools
Publication number
20180045003
Publication date
Feb 15, 2018
Halliburton Energy Services, Inc.
John Gerard Evans
E21 - EARTH DRILLING MINING
Information
Patent Application
ADJUSTABLE DEPTH OF CUT CONTROL FOR A DOWNHOLE DRILLING TOOL
Publication number
20180030786
Publication date
Feb 1, 2018
Halliburton Energy Services, Inc.
Bradley David DUNBAR
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTATING SUPERHARD CUTTING ELEMENT
Publication number
20180010396
Publication date
Jan 11, 2018
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING