173374 ⎘
Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using a combination of several sources, e.g. a neutron and a gamma source using a neutron source combined with a gamma- or X-ray source
NEUTRON ABSORBING DOPANT FOR REDUCING BOREHOLE FLUID BACKGROUND IN GEOCHEMICAL LOGGING
#2Neutron Absorbing Dopant For Reducing Borehole Fluid Background In Geochemical Logging
#3Creation of near bit gamma ray image from a gamma ray curve
#4Computer-implemented method of using a non-transitory computer readable memory device with a pre programmed neural network and a trained neural network computer program product for obtaining a true borehole sigma and a true formation sigma
#5Intrinsic geological formation carbon to oxygen ratio measurements
#6Azimuthal associated particle imaging neutron generator for neutron x-ray inspection system gamma imaging for oil and gas technologies
#7Geological constraint using probability functions in stochastic mineralogy modeling
#8Gamma ray spectra contrast sharpening
#9Data fusion enhanced multi-modality wellbore integrity inspection system
#10Wellbore detector with azimuthal and spectral energy resolution
#11Multi-barrier wellbore integrity inspection system with eccentricity correction
#12METHOD FOR USING VOXELATED X-RAY DATA TO ADAPTIVELY MODIFY ULTRASOUND INVERSION MODEL GEOMETRY DURING CEMENT EVALUATION
#13Combined radioactive source for gamma-neutron tool
#14Depth/orientation detection tool and methods thereof
#15Multi-variable workflow for cement evaluation in multiple casing strings
#16Density measurements using detectors on a pulsed neutron measurement platform
#17Gas well integrity inspection system
#18Single Sensor for Detecting Neutrons and Gamma Rays
#19Apparatus and methods for measuring formation characteristics
#20DEPTH/ORIENTATION DETECTION TOOL AND METHODS THEREOF
#21Apparatus and methods for measuring formation characteristics
#22Neutron source for well logging
#23Apparatus and methods for interlaced density and neutron measurements