Inventor
DUNBAR BRADLEY DAVID
US21 patents
Patents
21 patentsUS10280688B2May 7, 2019
Rotating superhard cutting element
HALLIBURTON ENERGY SERVICES INC7 citations78
US11619123B2Apr 4, 2023
Dual synchronized measurement puck for downhole forces
HALLIBURTON ENERGY SERVICES INC4 citations73
US10920500B1Feb 16, 2021
Adjustable downhole nozzle
HALLIBURTON ENERGY SERVICES INC2 citations72
US10472897B2Nov 12, 2019
Adjustable depth of cut control for a downhole drilling tool
HALLIBURTON ENERGY SERVICES INC2 citations71
US10711527B2Jul 14, 2020
Drill bit and method for casing while drilling
HALLIBURTON ENERGY SERVICES INC3 citations70
US11708755B2Jul 25, 2023
Force measurements about secondary contacting structures
HALLIBURTON ENERGY SERVICES INC2 citations67
US10487602B2Nov 26, 2019
Hydraulic control of downhole tools
HALLIBURTON ENERGY SERVICES INC2 citations63
US12078558B1Sep 3, 2024
Mechanically attached strain device
HALLIBURTON ENERGY SERVICES INC0 citations61
US11761323B2Sep 19, 2023
Floating ball pressure sensor
HALLIBURTON ENERGY SERVICES INC0 citations61
US11649681B2May 16, 2023
Fixed-cutter drill bits with reduced cutting arc length on innermost cutter
HALLIBURTON ENERGY SERVICES INC0 citations61
US11293232B2Apr 5, 2022
Drill bit with adjustable inner gauge configuration
HALLIBURTON ENERGY SERVICES INC1 citations61
US11162350B2Nov 2, 2021
Earth-boring drill bit with mechanically attached strain puck
HALLIBURTON ENERGY SERVICES INC1 citations61
US11933157B2Mar 19, 2024
System and method for communicating with a downhole tool
HALLIBURTON ENERGY SERVICES INC0 citations60
US10822945B1Nov 3, 2020
Storing data based on a value associated with an ambient condition downhole in a borehole of a geologic formation
HALLIBURTON ENERGY SERVICES INC1 citations60
US12264577B2Apr 1, 2025
Downhole pressure calculation based on strain gauge measurements
HALLIBURTON ENERGY SERVICES INC0 citations59
US11748531B2Sep 5, 2023
Mitigation of high frequency coupled vibrations in PDC bits using in-cone depth of cut controllers
HALLIBURTON ENERGY SERVICES INC0 citations59
US12252977B2Mar 18, 2025
Force measurements about secondary contacting structures
HALLIBURTON ENERGY SERVICES INC0 citations56
US11687690B2Jun 27, 2023
Mitigation of cutting-induced stick-slip vibration during drilling with drill bits having depth of cut controllers
HALLIBURTON ENERGY SERVICES INC0 citations49
US12270255B1Apr 8, 2025
Multiple selectable pressure driven devices on a drill bit
HALLIBURTON ENERGY SERVICES INC0 citations48
US12188301B2Jan 7, 2025
Drill bit cutter with shaped portion matched to kerf
HALLIBURTON ENERGY SERVICES INC0 citations46
US11692428B2Jul 4, 2023
Downhole dynamometer
HALLIBURTON ENERGY SERVICES INC0 citations43