Simulation of influence of source distances on neutron-gamma ray spectra for oil sandstone formation and water flooding in borehole

PANG Jufeng TIAN Yajuan

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Simulation of influence of source distances on neutron-gamma ray spectra for oil sandstone formation and water flooding in borehole

更新时间：2021-03-12

- Simulation of influence of source distances on neutron-gamma ray spectra for oil sandstone formation and water flooding in borehole
- NUCLEAR TECHNIQUES Issue 5, (2007)
- 作者机构：
  
  1. 西安石油大学
  2. 西安石油大学,西安,710065
- 作者简介：
- 基金信息：
- DOI：
  CLC： P631.817
- Published：01 May 2007
- 稿件说明：
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[1]庞巨丰,田亚娟.油砂地层井眼水源距对中子-伽玛能谱影响的模拟[J].核技术,2007(05):424-431.

PANG Jufeng TIAN Yajuan. Simulation of influence of source distances on neutron-gamma ray spectra for oil sandstone formation and water flooding in borehole[J]. Nuclear techniques, 2007, (5): 424-431.
[1]庞巨丰,田亚娟.油砂地层井眼水源距对中子-伽玛能谱影响的模拟[J].核技术,2007(05):424-431. DOI：

PANG Jufeng TIAN Yajuan. Simulation of influence of source distances on neutron-gamma ray spectra for oil sandstone formation and water flooding in borehole[J]. Nuclear techniques, 2007, (5): 424-431. DOI：

摘要

介绍了中子-伽玛能谱测井中研究中子-伽玛射线随空间、能量、时间分布的蒙特卡罗（Monte Carlo）模拟软件包。在裸眼井、井眼里无下井仪器、油饱和砂岩地层、井眼注淡水等条件下

用该软件包计算了井轴和井壁的不同源距（和垂距）地层中子-伽玛射线随能量、时间的分布

以及井轴和井壁在各种源距下的中子-伽玛射线能谱

亦即研究了源距变化对中子-伽玛射线随能量、时间分布以及井轴与井壁中子-伽玛射线能谱的影响。

Abstract

A neutron-gamma ray logging software package based on Monte Carlo simulation is introduced in this paper. It can be used for calculating space

energy and time distributions of the of neutron-gamma ray. In an open hole well without any instrument

oil-saturated sandstone formation and injected water in it

computer simulations can be done with the software package for energy and time distributions of the neutron-gamma rays

generating neutron- gamma ray spectra at various source distances in the borehole axis and wall. Influences of the source distances on neutron-gamma ray distributions and on neutron-gamma ray spectra in borehole axis and wall were discussed.

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