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.

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Bibliographische Detailangaben
Hauptverfasser: JOHN BARRY FITZGERALD, KENNETH E STEPHENSON
Format: Patent
Sprache:eng
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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.