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Dual-Isotope Spectrometric Gamma Densitometer for Diagnostics of Three-Phase Oil–Water–Gas Flows

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Abstract

The operation of a gamma densitometer (GD) of ID = 100 mm is considered; it is intended for the diagnostics of three-phase oil–water–gas flows using the separationless method, when the composition of components is determined by a spectrometric analysis of gamma irradiation with two different photon energies. The 241Am and 137Cs isotopes, installed in the same housing, are used as gamma sources, while a gamma detector is made on the basis of the BGO crystal of 40 mm in diameter and height. Information about the design, measuring electronics, and main characteristics of the GD is given. The method used for the temperature stabilization of the recorded radiation intensities for both isotopes within a range of ambient temperature from 10 to 35oC is presented.

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ACKNOWLEDGMENTS

We thank Director of IPTP A.A. Smirnov highly skilled assistance in the creation of the spectrometric GD and helpful discussions.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, 141980, Dubna, Moscow oblast, Russia

    B. N. Sveshnikov & Yu. P. Filippov

  2. Institute of Physical and Technical Problems, 141980, Dubna, Moscow oblast, Russia

    S. N. Smirnov

  3. Moscow Power Engineering Institute (National Research University), 111250, Moscow, Russia

    A. Yu. Filippov

Authors
  1. B. N. Sveshnikov
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  2. S. N. Smirnov
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  3. A. Yu. Filippov
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  4. Yu. P. Filippov
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Corresponding authors

Correspondence to B. N. Sveshnikov, S. N. Smirnov, A. Yu. Filippov or Yu. P. Filippov.

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Translated by M. Samokhina

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Sveshnikov, B.N., Smirnov, S.N., Filippov, A.Y. et al. Dual-Isotope Spectrometric Gamma Densitometer for Diagnostics of Three-Phase Oil–Water–Gas Flows. Phys. Part. Nuclei Lett. 18, 52–62 (2021). https://doi.org/10.1134/S1547477121010118

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  • DOI: https://doi.org/10.1134/S1547477121010118

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