Methods and apparatus for epithermal neutron logging

Methods and apparatus for epithermal neutron porosity logging

Methods and apparatus for evaluating formation characteristics w

Methods and apparatus for exploring geological formations...

Methods and apparatus for gamma-ray spectroscopy and like measur

Methods and apparatus for investigating an earth formation and c

Methods and apparatus for measuring thermal neutron decay charac

Methods and apparatus for measuring thermal neutron decay charac

Methods and apparatus for measuring thermal neutron decay charac

Methods and apparatus for optimizing measurements of thermal neu

Methods and apparatus for safely handling radioactive sources in

Methods and apparatus for safely measuring downhole conditions a

Methods and apparatus for the downhole characterization of...

Methods for determining values for earth formation properties

Methods of detecting the locations of well treating fluids

Methods of determining subterranean formation characteristics us

Methods, systems, and computer program products for...

Methods, systems, and computer program products for...

Methods, systems, and computer program products for...

Methods, systems, and computer program products for...