电磁随钻测量中的边界元法
THE BOUNDARY ELEMENT METHOD IN EM-MWD
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摘要: 电磁场线性边界元法被成功地用于求解半空间有损媒质中的非对称电偶极激励。它将为电磁随钻测量的工程问题提供一种简单实用的算法。本文对低频极限情况下的两种模型的计算结果都与实验和稳流场公式的结果进行了比较。
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关键词:
- 电磁随钻测量; 电偶极激励; 边界元法
Abstract: The linear boundary element method for electromagnetic fields is ta-ken to deal with the exitation of a non-symmetrical electric dipole in a lossv half space. A simple and practical algorithm is offered to the electromagnetic measu-rement while drilling (EM-MWD). The calculations on two models under the low frequency limits arc compared with the experiments and the results calculated with the theory of srationary currenr fields. -
OGJ report, Second Generation MWD Tool Passes Field Tests, Oil and Gss Joarnal, 1(1983)8,84-90.[2]夏明跃,电磁随钻测量的理论研究,中国科学院电子学研究所硕士论文,1988年.[3]李忠元,电磁场边界元素法,北京工业学院出版社,1987年.[4]Lee Kai Fong.[J].Principles of Antenna Theory, John WileySons, New York.1984,:-[5][5][6]Z. Y. Chen, X. Z. Jin,The Stationary Field of Buried Non-symmetrical Dipole, Pure acrd Applied Geophysics, 135(1991) 3,545-555.[7]中国科学院电予学研究所随钻测井电磁波论证组,现场实验报告,1987年12月和1988年3月. -
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