随钻方位电磁波电阻率测井仪分段组合线圈系设计

倪卫宁; 张晓彬; 万勇; 孙伟峰; 戴永寿; 张卫

doi:10.11911/syztjs.201702019

随钻方位电磁波电阻率测井仪分段组合线圈系设计

doi: 10.11911/syztjs.201702019

1.
页岩油气富集机理与有效开发国家重点实验室, 北京 100101;
2.
中国石化石油工程技术研究院, 北京 100101;
3.
中国石油大学(华东)信息与控制工程学院, 山东青岛 266580

基金项目:

国家科技重大专项课题"低渗透储层高精度随钻成像技术研究"（编号：2016ZX05021-002）部分研究内容。

详细信息

作者简介:
倪卫宁(1979—),男,安徽黄山人,2000年毕业于石油大学(华东)应用电子技术专业,2003年获石油大学(华东)控制理论与控制工程专业硕士学位,2006年获中国科学院半导体研究所微电子学与固体电子学专业博士学位,副研究员,主要从事随钻测控技术研究。

中图分类号: TE927
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出版历程
- 收稿日期: 2016-10-22
- 修回日期: 2017-03-05
- 刊出日期: 2017-05-11

The Design of the Coil System in LWD Tools Based on Azimuthal Electromagnetic-Wave Resistivity Combined with Sections

1.
State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing, 100101, China;
2.
Sinopec Research Institute of Petroleum Engineering, Beijing, 100101, China;
3.
College of Information and Control Engineering, China University of Petroleum (Huadong), Qingdao, Shandong, 266580, China

摘要

摘要: 针对现有随钻方位电磁波电阻率测井仪地层层界面检测灵敏度较弱且层界面探测深度较浅的问题，设计了分段组合线圈系，并采用理论分析和仿真试验的方法，对不同线圈系的测量响应进行数值模拟计算，分析了层界面位置和距离变化对分段组合线圈系测量响应的影响规律。数值模拟结果表明，分段组合线圈系的感应电动势信号幅值明显高于现有线圈系的感应电动势信号幅值，其层界面探测深度约为1.70 m，优于现有线圈系的层界面探测深度。研究表明，分段组合线圈系可提高测井仪器的地层层界面检测灵敏度和层界面的探测深度，这可为随钻方位电磁波电阻率测井仪器的研制提供理论支持。
- 分段组合 /
- 线圈系 /
- 结构设计 /
- 探测深度
Abstract: Due to existing azimuthal electromagnetic-wave resistivity, logging-while-drilling tools have low sensitivity for detecting the stratum interface and shallow detection depths; thus the coil system with sectional combination was designed, and assessed using numerical simulation and calculation for the measurement responses of different coil systems by means of theoretical analysis and simulation experiments. At the same time, the effecting regularity of interface position and distance on measurement responses of the coil system was also compared and analyzed. The numerical simulation results showed that the induction signal amplitudes of the designed coil system was higher than that of the existing coil systems, with a detection depth of 1.70 m for the stratum interface. Research results indicated that the innovative coil system could improve the detection sensitivity of logging tools on the interface and depth of formations, and provide valuable guidance for the development of LWD tools based on azimuthal electromagnetic-wave resistivity.
- sectional combination /
- coil system /
- structural design /
- detection depth

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参考文献(15)

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随钻方位电磁波电阻率测井仪分段组合线圈系设计

doi: 10.11911/syztjs.201702019

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出版历程

The Design of the Coil System in LWD Tools Based on Azimuthal Electromagnetic-Wave Resistivity Combined with Sections

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出版历程

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