Corrections of gamma-ray responses

Details Corrections of gamma-ray responses Corrections of gamma-ray responses

2008-04-22

2008-04-22

Hannaher, Constantine (Department: 2884)

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

Reexamination Certificate

active

11307629

ABSTRACT:
System and method for formation logging using a gamma-ray detector. The techniques including acquiring gamma-ray signals using the gamma-ray detector, the acquired gamma-ray signals having energies that span at least a first-energy region and a second-energy region, wherein the first-energy region includes energies higher than a selected threshold and the second-energy region includes energies lower than the selected threshold; determining interference signals based on the acquired gamma-ray signals in the first-energy region; and correcting the acquired gamma-ray signals in the second-energy region based on the interference signals to provide corrected gamma-ray signals.

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Wilson, Robert D., “Bulk Density Logging with High-Energy Gammas Produced by Fast Neutron Reactions with Formation Oxygen Atoms.”

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