Borehole compensated oxygen activation nuclear well logging
Broad energy spectra neutron source for logging and method
Carbon/oxygen well logging method and apparatus
Carbon/oxygen well logging method and apparatus
Coal logging system
Coating thickness monitor for multiple layers
Combination of epithermal and inelastic neutron scattering metho
Combined x-ray diffraction and fluorescence spectroscopy apparat
Detection mark and method and apparatus for detecting mark
Detection of atoms using monochromatic X-rays
Detection of impurities in a fluid containing free gas using nuc
Detection of impurities in fluid flowing in refinery pipeline or
Determination of mineral concentrations in slurries thereof
Determination of water saturation in subsurface earth formations
Determining element concentrations in samples
Determining the concentration of sulphur in coal
Determining the water cut and water salinity in an oil-water flo
Device for assaying uranium and/or thorium in ore specimens comp
Device for examining a body by means of penetrating radiation
Diamond identification