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The Research of Through-Casing Resistivity Logging Method
Author(s): 
Pages: 72-75
Year: Issue:  5
Journal: FAULT-BLOCK OIL & GAS FIELD

Keyword:  传输线方程趋肤效应工作频率钢套管水泥环;
Abstract: 过套管电阻率测井(TCRL)是电法测井的一个新领域.根据Kaufman A提出的传输线方程,导出了优化的地层视电导率公式;相对于地层,钢套管的电阻率很低,也就是说,钢套管相对于地层是短路的,由趋肤效应可以确定TCRL的工作频率;在详细分析了水泥环、套管对测量结果的影响的基础上,提出了消除这些影响的一些方法,从而使过套管电阻率测井方法更趋完善.
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