Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 784, Issue -, Pages 616-620Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2014.11.030
Keywords
Gamma-ray transmission; Scale detection; Pipeline inspection; Petroleum
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The goal of this study is to detect and quantify the thickness of the scale layer inside the service pipelines. For this purpose, a system composed of a Cs-137 source and a NaI(Tl) scintillation detector was developed. The source and the detector were positioned in geometry to make transmission measurements. A computational routine was developed to generate simulated data, which were later compared with the experimental ones, in order to calculate the thickness of scale layer. The results of the validation tests show similar values to the real ones. It was therefore possible to conclude that the procedure is efficient for the detection and quantification of materials inside pipelines, and that the system is advantageous for its application in the field, especially with respect to radioprotection. (C) 2014 Elsevier B.V. All rights reserved.
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