IDENTIFICATION OF NEUTRON CAPTURE FROM A PULSED NEUTRON LOGGING TOOL

The present disclosure is intended to overcome the problem of hydrogen contamination of the density signal. The approach is to compute the neutron capture portion of the total gamma ray counts and subtract it from the total counts resulting in a pure inelastic gamma ray measurement. L'invention...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	STEPHENSON, KENNETH, E, FITZGERALD, JOHN, B
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONVERSION OF CHEMICAL ELEMENTS DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASUREMENT OF NUCLEAR OR X-RADIATION MEASURING NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS RADIOACTIVE SOURCES TESTING
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Beschreibung
Zusammenfassung:	The present disclosure is intended to overcome the problem of hydrogen contamination of the density signal. The approach is to compute the neutron capture portion of the total gamma ray counts and subtract it from the total counts resulting in a pure inelastic gamma ray measurement. L'invention est destinée à résoudre le problème de la contamination du signal de densité par l'hydrogène. L'approche consiste à calculer la fraction de capture de neutrons des comptes de rayons gamma totaux et de la soustraire des comptes totaux de manière à obtenir une mesure de rayons gamma inélastique pure.