Method and apparatus for distinguishing hydrocarbon from fresh w

Method and apparatus for downhole quantification of methane...

Method and apparatus for downhole spectroscopy processing

Method and apparatus for dual-spaced fast/epithermal neutron por

Method and apparatus for elemental analysis employing combinatio

Method and apparatus for epithermal neutron decay logging

Method and apparatus for epithermal neutron porosity measurement

Method and apparatus for epithermal neutron porosity well loggin

Method and apparatus for evaluating multiple stage fracturing or

Method and apparatus for fluorescence logging

Method and apparatus for fluorescence logging

Method and apparatus for formation logging using position sensit

Method and apparatus for gamma ray logging of underground format

Method and apparatus for gamma ray well logging

Method and apparatus for gamma ray well logging

Method and apparatus for geophysical prospecting by radioactive

Method and apparatus for imaging porous media and method for fab

Method and apparatus for interpreting fluorescence logging data

Method and apparatus for lithology-independent well log analysis

Method and apparatus for logging a borehole employing dual radia