in-line refraction profiling 纵测线折射剖面
refraction line
折射线
以上为机器翻译结果,长、整句建议使用 人工翻译 。
When the offset distance is smaller on the wellhead, the layer velocity obtained with straight line and the refraction line is matched with that of actual formation velocity.
当井口偏移距较小时,直线法和折线法求取的层速度和地层真速度吻合;
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