弹性阻抗反演在储层含气性预测中的应用

Shiyou Diqiu Wuli Kantan/Oil Geophysical Prospecting(2012)

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Abstract
本文在阐述弹性阻抗反演原理的基础上,介绍了利用叠前弹性阻抗反演进行储层含气性预测的基本思路:①计算井旁道的弹性阻抗曲线;②将炮检距数据转换为角道集数据;③估算角度域数据对应的子波;④利用反演算法计算弹性阻抗剖面;⑤提取弹性参数。将该方法应用于鄂尔多斯盆地A区进行含气储层预测,获得了较好的预测结果,证实了该方法的可行性和有效性。
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Key words
prestack inversion,reservoir prediction,gas-bearing,elastic impedance
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