Inventor
CRAWFORD JEFFREY JAMES
US25 patents
Patents
25 patentsUS11635543B2Apr 25, 2023
Borehole density measurement using pulsed neutron tool
HALLIBURTON ENERGY SERVICES INC5 citations74
US12104480B2Oct 1, 2024
Wellbore collision avoidance or intersection ranging
HALLIBURTON ENERGY SERVICES INC2 citations73
US11681070B2Jun 20, 2023
Three-component holdup measurement using pulsed neutron tool
HALLIBURTON ENERGY SERVICES INC2 citations72
US11624855B2Apr 11, 2023
Holdup algorithm using assisted-physics neural networks
HALLIBURTON ENERGY SERVICES INC3 citations72
US11681069B1Jun 20, 2023
Pulsed neutron tool for elemental decay logging
HALLIBURTON ENERGY SERVICES INC3 citations71
US11493662B2Nov 8, 2022
Determining density of multiple layers using gamma spectroscopy
HALLIBURTON ENERGY SERVICES INC2 citations71
US11378715B2Jul 5, 2022
Density measurement of a selected layer by gamma spectral deconvolution
HALLIBURTON ENERGY SERVICES INC3 citations71
US11320563B2May 3, 2022
Layer density measurement using a narrow energy attenuation track
HALLIBURTON ENERGY SERVICES INC2 citations71
US12565835B2Mar 3, 2026
Correlated wave-particle application for downhole measurements
HALLIBURTON ENERGY SERVICES INC0 citations62
US12474500B2Nov 18, 2025
Pulsed neutron logging mineralogy using oxide standards
HALLIBURTON ENERGY SERVICES INC0 citations62
US12135402B2Nov 5, 2024
Algorithm-free, data-centric multivariate inversion for pulsed neutron logging
HALLIBURTON ENERGY SERVICES INC0 citations62
US12038551B2Jul 16, 2024
Gamma spectral analysis
HALLIBURTON ENERGY SERVICES INC1 citations62
US11994647B2May 28, 2024
Compensated formation saturation using assisted physics and neural networks
HALLIBURTON ENERGY SERVICES INC0 citations62
US11854259B2Dec 26, 2023
Holdup measurement using quantized classification and categorized local regression
HALLIBURTON ENERGY SERVICES INC0 citations62
US11237294B2Feb 1, 2022
Trajectory control for directional drilling using azimuthal gamma ray measurements
HALLIBURTON ENERGY SERVICES INC1 citations62
US12535614B2Jan 27, 2026
Density measurement of a selected layer by gamma spectral deconvolution
HALLIBURTON ENERGY SERVICES INC0 citations61
US12228031B2Feb 18, 2025
Deep learning holdup solution from neutron capture and inelastic scattering
HALLIBURTON ENERGY SERVICES INC0 citations61
US12221884B2Feb 11, 2025
Detecting downhole fluid composition utilizing photon emission
HALLIBURTON ENERGY SERVICES INC0 citations60
US11598206B2Mar 7, 2023
Detecting downhole fluid composition utilizing photon emission
HALLIBURTON ENERGY SERVICES INC0 citations60
US11815478B2Nov 14, 2023
Through-tubing, cased-hole sealed material density evaluation using gamma ray measurements
HALLIBURTON ENERGY SERVICES INC0 citations58
US12371985B2Jul 29, 2025
Surface tracking systems and methods for downhole wellbore position and trajectory determination
HALLIBURTON ENERGY SERVICES INC0 citations52
US12055033B2Aug 6, 2024
Radially adjustable outsert for a downhole sensor
HALLIBURTON ENERGY SERVICES INC0 citations52
US12099163B1Sep 24, 2024
Intrinsic carbon oxygen for formation saturation and borehole holdup
HALLIBURTON ENERGY SERVICES INC0 citations51
US12181627B2Dec 31, 2024
Sourceless gain stabilization for scintillation counting tools
HALLIBURTON ENERGY SERVICES INC0 citations50
US11808136B2Nov 7, 2023
Through-tubing, cased-hole sealed material evaluation using acoustic measurements
HALLIBURTON ENERGY SERVICES INC0 citations49