WELL LOGGING NEUTRON GENERATOR CONTROL SYSTEM

A pulsed neutron well logging system using a sealed off neutron generator tube is provided with a neutron output control system. The control system monitors the target beam current and compares a function of this current with a reference voltage level to develop a control signal. The control signal...

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Bibliographische Detailangaben
Hauptverfasser:	HAROLD ELMER PEELMAN, JAMES ROBERT BRIDGES
Format:	Patent
Sprache:	eng
Schlagworte:	DETECTING MASSES OR OBJECTS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS TESTING
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Beschreibung
Zusammenfassung:	A pulsed neutron well logging system using a sealed off neutron generator tube is provided with a neutron output control system. The control system monitors the target beam current and compares a function of this current with a reference voltage level to develop a control signal. The control signal is used in a series regulator to control the replenisher current of the neutron generator tube.