Probe equipment for use in underground mining

Probe for locating mineral deposits

Procedure and means for measuring radon content in the air

Process and devices for characterizing ground water...

Process for detecting and characterizing formation hydrocarbons

Process for installing a probe for monitoring the position of an

Produced steam survey device and method

Production logging tool for measuring fluid densities

Programmable controlled-exposure radon measurement system

Pulse height analyzer for spectroscopy thermal multigate decay w

Pulsed neutron decay logging

Pulsed neutron decay tool for measuring gamma radiation energy s

Pulsed neutron logging system for inelastic scattering gamma ray

Pulsed neutron porosity logging

Pulsed neutron porosity logging method and apparatus using dual

Pulsed neutron porosity logging system

Pulsed neutron well logging apparatus having means for determini

Pulsed radiation decay logging

Quantitative evaluation of uranium ore zones

Radiation detector