Fremgangsmåte for porösitetslogging med hjelp av pulset nöytronkilde

A borehole logging tool employing a pulsed neutron source and a pair of spaced-apart epithermal neutron detectors is lowered into a borehole traversing a subsurface formation. The formation is irradiated with bursts of fast neutrons and the epithermal neutrons returning to the borehole as a result o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	STROMSWOLD, DAVID CHARLES, MILLS JR., WILLIAM RAYMOND
Format:	Patent
Sprache:	nor
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
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