| 水灰岩地层中子随能量和时间分布的Monte Carlo模拟 |
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| 引用本文： | 庞巨丰,仵杰,石旺年,刘升虎.水灰岩地层中子随能量和时间分布的Monte Carlo模拟[J].物探化探计算技术,2001,23(1):26-36. |
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| 作者姓名： | 庞巨丰 仵杰 石旺年 刘升虎 |
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| 作者单位： | 西安石油学院, |
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| 基金项目： | 中国石油天然气总公司项目(940012) |
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| 摘 要： | 作者在MCNP的基础上，开发了中子测井，中子通量随空间、能量、时间分布蒙特卡罗（Monte Carlo)模拟软件包。对裸眼井、井眼里无下井仪器、水饱和灰岩地层、井眼注水，用该软件计算了沿井轴和沿井壁中子能量随能量、时间分布，以及沿井轴和沿井壁热中子和超热中子时间谱。即源距离变化对中子能量随能量、时间分布和井轴与井壁热中子、超热中子时间谱的影响。
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| 关 键 词： | 蒙特卡罗模拟 中子测井 能量分布 水灰地层 井眼注水 |
| 文章编号： | 1001-1749(2001)01-0026-11 |
| 修稿时间： | 2000年11月6日 |
MONTE CARLO SIMULATION OF NEUTRON FLUX DISTRIBUTION WITH ENERGY AND TIME FOR WATER LIMESTONE FORMATION |
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| PANG Ju-feng,WU Jie,SHI Wang-nian,LIU Sheng-hu.MONTE CARLO SIMULATION OF NEUTRON FLUX DISTRIBUTION WITH ENERGY AND TIME FOR WATER LIMESTONE FORMATION[J].Computing Techniques For Geophysical and Geochemical Exploration,2001,23(1):26-36. |
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| Authors: | PANG Ju-feng WU Jie SHI Wang-nian LIU Sheng-hu |
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| Abstract: | Based on MCNP, authors developed the software package of the Monte Carlo method to simulate the neutron flux distributions with the space, energy and time for neutron logging. For the following conditions: an open hole well, without logging instrument in bore hole, fresh water saturated limestone formation, injected fresh water in bore hole, the software package was used to compute the neutron flux distributions with the energy and time along bore hole axis and wall, and the time spectra of thermal neutron and the time spectra of epithermal neutron along bore hole axis and wall. The spacing influence of source distance variation on neutron flux distributions with the energy and time and the time spectra of thermal neutron and the time spectra of epithermal neutron along bore hole axis and wall were studied. |
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| Keywords: | Monte Carlo simulation neutron log energy and time distributions water limestone formation borehole injecting |
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