Spacing optimization for three-detector density logging tool

WU Wensheng XIAO Lizhi

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Spacing optimization for three-detector density logging tool

更新时间：2021-03-05

- Spacing optimization for three-detector density logging tool
- NUCLEAR TECHNIQUES Vol. 33, Issue 11, (2010)
- 作者机构：
  
  油气资源与探测国家重点实验室,中国石油大学
- 作者简介：
- 基金信息：
- DOI：
  CLC： P631.81
- Published：01 November 2010
- 稿件说明：
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[1]吴文圣,肖立志.三探测器密度测井仪器的源距优化[J].核技术,2010,33(11):849-853.

WU Wensheng XIAO Lizhi. Spacing optimization for three-detector density logging tool[J]. Nuclear techniques, 2010, 33(11): 849-853.
[1]吴文圣,肖立志.三探测器密度测井仪器的源距优化[J].核技术,2010,33(11):849-853. DOI：

WU Wensheng XIAO Lizhi. Spacing optimization for three-detector density logging tool[J]. Nuclear techniques, 2010, 33(11): 849-853. DOI：

摘要

本文用Monte Carlo数值模拟方法

针对探测器均在正源距范围内的三探测器密度测井仪器

计算了不同源距探测器的薄层响应曲线

不同密度地层的光子通量与源距的关系

长、中、短源距间的计数交会图。结果表明

源距与密度测井仪器的纵向分辨率、统计误差、灵敏度、泥饼补偿效果有关。为使密度测井仪器具有20cm的纵向分辨率

并有高的测量精度

长、中、短源距应分别选择38、20.5、11cm左右。

Abstract

In this paper

Monte Carlo simulation is used to calculates thin bed responses for different detector spacings of longer than zero spacing

the relationships between photon flux and spacing at various formation densities

and the "spine-rib" figures for long

middle and short spacings.The results show that the spacing affects the longitudinal resolution

statistical error

sensitivity

and mudcake compensation effect of density logging tool.For a density logging tool of high-resolution(20 cm) and high measurement precision

the long

middle and short spacing should be about 38

20.5 and 11 cm

respectively.

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Related Author

WU Wensheng XIAO Lizhi

肖立志

CHENG Daowen1

2 GU Deshan1 YI Jie1 LIU Linmao1 1

伊杰

刘林茂

Related Institution

State Key Laboratory of Petroleum Resource and Prospecting,China University of Petroleum

Radiation Technology Institute of Northeast Normal University, Changchun 130117, China) 2

东北师范大学辐射技术研究所长春130117长春工业大学基础科学学院长春

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