Field test data proves the reliability and adaptability of water shut-off tools. In views of reservoir engineering, it analyzes single well and areal water shut-off effect.
通过现场试验数据证明堵水工具的可靠性和适应性，从油藏工程的角度出发，分析了单井堵水效果和平面效果。
Furthermore, with the method of amplitude ratio with different frequency selected, the areal attenuation effect and local site response have been studied.
采用振幅谱频率比方法，研究区域衰减效应和局部场地响应。
Furthermore, with the method of amplitude ratio with different frequency selected, the areal attenuation effect and local site response have been studied.
采用振幅谱频率比方法，研究区域衰减效应和局部场地响应。
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