【摘 要】
：
快速地层中地层纵波速度与套管波速度接近，地层波到达时间提前，区分套管波和地层波十分困难，往往导致固井质量评价结果错误。本文针对快速地层固井质量评价存在的问题，对模拟
【出 处】
：
中国油气论坛2010--石油测井专题研讨会
论文部分内容阅读
快速地层中地层纵波速度与套管波速度接近，地层波到达时间提前，区分套管波和地层波十分困难，往往导致固井质量评价结果错误。本文针对快速地层固井质量评价存在的问题，对模拟井和现场波形数据时频分析，结果表明：根据能量最大处对应的频率、时间不同能够识别快速地层。应用此方法处理现场测井数据，快速地层井段的固井质量评价结果与实际情况相符。
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