Simulation and Analysis of the Symmetrical Measurements of a Triaxial Induction Tool

Simulation and Analysis of the Symmetrical Measurements of a Triaxial Induction Tool
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三轴感应刀具对称测量的仿真与分析

DOI:
10.1109/lgrs.2014.2329093
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发表时间:
2015
影响因子:
4.8
通讯作者:
韩炜
韩炜
中科院分区:
工程技术2区
文献类型:
--
作者:
李明义;岳湘安;洪德成;韩炜

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在这封信中,我们对三轴感应工具的响应行为提出了新的见解。模拟了斜井中安装在发射线圈两侧的两组接收线圈的对称测量。理论分析和数值模拟表明,两个对称接收器的一些交叉部件满足互易原理,而另一些对应的部件具有相同的响应行为,既有肩底效应,也有井眼效应。这种互易性可以应用于现有单边配置的三轴感应测井仪器的数据处理。给出了在数据处理前将三轴接收机确定为上行接收机或下行接收机的规则。
In this letter, we present new insight into the response behaviors of triaxial induction tools. The symmetrical measurements by two sets of receiving coils fixed on both sides of the transmitting coils are simulated in deviated wells. Theoretical analysis and numerical simulations show that some cross-components of two symmetrical receivers satisfy reciprocity principle, while other corresponding components have the same response behavior with both the shoulder-bed effects and borehole effects. The reciprocity can be applied to data processing of existing triaxial induction tools with unilateral configuration. A rule is provided to determine a triaxial receiver as Up-receiver or Down-receiver before data processing.
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