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C/O γ能谱测井新的解析理论和方法

庞巨丰

庞巨丰. C/O γ能谱测井新的解析理论和方法[J]. 原子核物理评论, 2005, 22(1): 72-75. doi: 10.11804/NuclPhysRev.22.01.072
引用本文: 庞巨丰. C/O γ能谱测井新的解析理论和方法[J]. 原子核物理评论, 2005, 22(1): 72-75. doi: 10.11804/NuclPhysRev.22.01.072
PANG Ju-feng. A New Analyzing Theory and Method of C/O Spectrometry Logging[J]. Nuclear Physics Review, 2005, 22(1): 72-75. doi: 10.11804/NuclPhysRev.22.01.072
Citation: PANG Ju-feng. A New Analyzing Theory and Method of C/O Spectrometry Logging[J]. Nuclear Physics Review, 2005, 22(1): 72-75. doi: 10.11804/NuclPhysRev.22.01.072

C/O γ能谱测井新的解析理论和方法

doi: 10.11804/NuclPhysRev.22.01.072

A New Analyzing Theory and Method of C/O Spectrometry Logging

  • 摘要: 报道了快中子非弹性散射γ能谱测井(C/O γ能谱测井)新的解析理论和方法, 也就是由C/O能谱测井仪在井眼中获取地层的快中子非弹性散射γ射线、 NaI(Tl)探测器测量得到的256道谱, 再由实测非弹谱确定地层中主要元素C, O, Si, Ca和Fe等对非弹γ谱的贡献分额, 利用同一地层F因子相同, 求出C产额与O产额比, C的百分含量与O的百分含量和原子含量比, 及Ca和Si相应比值.A new analyzing theory and method of C/O spectrometry logging is reported. Fast neutron enelastic scattering γray spectra(256 channels) were acquired in borehole by NaI(Tl) detector. The enelastic scattering γray from major elements C, O, Si, Ca, Fe, etc. have the fractions of mixed enelastic spectrum in formation respectively. Because F factor is the same for identical formation, then the ratio of yield of C to O, the ratio of weight percent of C to O, and the ratio of atoms C to O could be found, and the corresponding ratio of Ca to Si was found.
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出版历程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2005-03-20

C/O γ能谱测井新的解析理论和方法

doi: 10.11804/NuclPhysRev.22.01.072

摘要: 报道了快中子非弹性散射γ能谱测井(C/O γ能谱测井)新的解析理论和方法, 也就是由C/O能谱测井仪在井眼中获取地层的快中子非弹性散射γ射线、 NaI(Tl)探测器测量得到的256道谱, 再由实测非弹谱确定地层中主要元素C, O, Si, Ca和Fe等对非弹γ谱的贡献分额, 利用同一地层F因子相同, 求出C产额与O产额比, C的百分含量与O的百分含量和原子含量比, 及Ca和Si相应比值.A new analyzing theory and method of C/O spectrometry logging is reported. Fast neutron enelastic scattering γray spectra(256 channels) were acquired in borehole by NaI(Tl) detector. The enelastic scattering γray from major elements C, O, Si, Ca, Fe, etc. have the fractions of mixed enelastic spectrum in formation respectively. Because F factor is the same for identical formation, then the ratio of yield of C to O, the ratio of weight percent of C to O, and the ratio of atoms C to O could be found, and the corresponding ratio of Ca to Si was found.

English Abstract

庞巨丰. C/O γ能谱测井新的解析理论和方法[J]. 原子核物理评论, 2005, 22(1): 72-75. doi: 10.11804/NuclPhysRev.22.01.072
引用本文: 庞巨丰. C/O γ能谱测井新的解析理论和方法[J]. 原子核物理评论, 2005, 22(1): 72-75. doi: 10.11804/NuclPhysRev.22.01.072
PANG Ju-feng. A New Analyzing Theory and Method of C/O Spectrometry Logging[J]. Nuclear Physics Review, 2005, 22(1): 72-75. doi: 10.11804/NuclPhysRev.22.01.072
Citation: PANG Ju-feng. A New Analyzing Theory and Method of C/O Spectrometry Logging[J]. Nuclear Physics Review, 2005, 22(1): 72-75. doi: 10.11804/NuclPhysRev.22.01.072

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