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US3225195A
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Stabilized scintillation type radiation detector
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Gamma ray measuring system utilizing plural detectors
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Apparatus for nuclear well logging while drilling
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Stabilized scintillation detector
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US3179801A
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Stabilized scintillation detector system with comparison light pulses of constant amplitude to control the sensitivity of the system
|
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US3243588A
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Scintillation detector system using a white light as a standard to stabilize the system
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US3218460A
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Stabilized scintillation counter using photomultiplier
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US3177363A
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Radiation detection system with the ionization chamber and other sensitive parts of the system inclosed in an atmosphere of inert dry gas
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US3140395A
|
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Directional gamma-ray detector
|
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US3235730A
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Neutron-gamma well-logging apparatus
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US3235729A
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Density logging of bore-holes utilizing gamma rays
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Stabilized spectrometer
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US3038074A
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Temperature-regulated well-logging apparatus
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US3080482A
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Radiation detector
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US3089955A
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Stabilized radiation detector
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US3071689A
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Nuclear measuring system
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US3080480A
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Apparatus for deep-well logging
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US3058000A
|
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Diffusion logging
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US3080478A
|
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Epithermal neutron detection
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US2989635A
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Method and apparatus for neutron detection
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