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  • 标题:NUCLEAR MAGNETIC RESONANCE (NMR) PROPERTIES OF SYNTHETIC AND SANDY SAMPLES
  • 本地全文:下载
  • 作者:Fatih SÜNBÜL
  • 期刊名称:Sakarya University Journal of Science
  • 印刷版ISSN:1301-4048
  • 电子版ISSN:2147-835X
  • 出版年度:2007
  • 卷号:11
  • 期号:1
  • 语种:English
  • 出版社:Sakarya University
  • 摘要:Fluids can be determined on samples directly using NMR technique [1 ,2,3]. The amplitude of the NMR signal is related to the nun1ber of hydrogen protons, the technique can be use d in geophysics to measure the water content of rocks and soils [ 4,5]. In this study, to identify relaxation times according to porosity values we used synthetic samples. For the NMR ıneasuren1ents, we used monoınodal glass pearl samples (0, 1-0,5-0,8-1 mm) and san d samples (0,35-0,75-1,5 mm) with additional water or petroleun1. According to the relaxation times we measured porosity and compare them with ordinary lab measurement results. For the results T 1 (INVREC) and T2(CPMG) relaxation times are much better suited than T2*(FID) for the analysis. All measurements were carried out in the department of Geoscience, Technical University of Berlin in Germany.
  • 其他摘要:NMR tekniği kullanılarak tespit edilebilir [1,2,3] NMR sinyalinin genliği hidrojen atom sayısıyla alakalıdır ve teknik jeofizikte kayaç ve zeminlerin su muhtevasını ölçmede kullanılabilir [ 4,5]. Bu çalışmada sentetik numuneler (su ve petrol eklemeli) ola
  • 关键词:NMR;FID;CPMG;porosity
  • 其他关键词:NMR;FID;CPMG;porozite
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