Response of electromagnetic-pulse logging sonde in axially symmetrical formation

Liu C.; Shen L.C.

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Response of electromagnetic-pulse logging sonde in axially symmetrical formation

机译：电磁脉冲测井仪在轴向对称地层中的响应

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The time-domain response of an electromagnetic-pulse logging sonde in axially symmetrical formations is obtained using the transmission-line-matrix (TLM) technique. The sonde consists of transmitting and receiving coils that are placed on the axis of the borehole. The formation is assumed to have horizontal layers with or without invasion zones. The transmitting coil emits an electromagnetic pulse of known shape. The receiver transient response was computed using the TLM technique, which calls for dividing the formation into small cells. Each cell is simulated with a matrix of transmission-lines which are connected to those of the adjacent cells.

机译：使用传输线矩阵（TLM）技术可获得轴向对称地层中电磁脉冲测井仪的时域响应。探空仪由放置在井眼轴线上的发射和接收线圈组成。假定该地层具有带或不带侵入带的水平层。发射线圈发射已知形状的电磁脉冲。接收器瞬态响应是使用TLM技术计算的，该技术要求将地层分为小单元。用连接到相邻单元格的传输线矩阵模拟每个单元格。

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《IEEE Transactions on Geoscience and Remote Sensing》 |1991年第2期|P.214-221|共8页
作者
Liu C.; Shen L.C.;
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正文语种 eng
中图分类无线电电子学、电信技术;
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Response of electromagnetic-pulse logging sonde in axially symmetrical formation

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