Temporal and spatial resolution of the neutron probe for C/O nuclear well logging

被引：0
|
作者：
Batur, J. [1 ]
Sudac, D. [1 ]
Valkovic, V. [1 ]
Meric, I. [2 ]
Pettersen, H.E.S. [3 ]
Nad, K. [1 ]
Uroic, M. [1 ]
Orlic, Z. [1 ]
Perkovic, A. [4 ]
Gacina, M. [4 ]
Obhodas, J. [1 ]
机构：
[1] Rudjer Boskovic Institute, Bijenicka c.54, Zagreb,10000, Croatia
[2] Department of Computer Science, Electrical Engineering and Mathematical Sciences, Western Norway University of Applied Sciences, Bergen,5020, Norway
[3] Department of Oncology and Medical Physics, Haukeland University Hospital, Bergen,5021, Norway
[4] Laboratory for Rock and Fluid Analysis, INA-Industrija nafte d.d., Avenija Veceslava Holjevca 10, Zagreb,10020, Croatia
来源：
Radiation Physics and Chemistry | 2022年 / 200卷
关键词：
Image resolution - Intelligent systems - Neutrons - Plastic bottles - Probes;
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学科分类号：
摘要：
The potential of detecting particular formation elements inside boreholes, separated by small distances, was investigated. Neutron probe, designed for C/O nuclear well logging and with associated alpha particle method (AAP) as its operational principle, was used. The measurements consisted of irradiating 0.5 l diesel-filled plastic bottle with fast tagged neutron beam. The bottle was placed in four positions along the axis of the probe, spaced by ∼10 cm; time spectrum for each position was obtained. The peaks in time spectra are separated by ∼2 ns, suggesting that neutron probe with AAP can, in principle, distinguish between parts of the formation separated by 10 cm. The results were confirmed by Monte Carlo (MC) simulations of the experiment. © 2022
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