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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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裂缝储层孔隙度、饱和度计算方法
Keywords: 裂缝介质,等效理论,hti介质,avo响应,孔隙度,饱和度
Abstract:
？裂缝性储集层孔隙度和饱和度是评价油气藏的重要参数。本文提出了运用裂缝介质各向异性梯度计算裂缝介质孔隙度和饱和度的新方法,其流程为:1计算裂缝介质的截距与梯度;2计算裂缝介质的各向异性梯度;3固定两个参数(孔隙度、饱和度)中的一个参数计算另一个参数。虽然文中方法不可能同时反演出裂缝的孔隙度与饱和度,但是对于实际油田开发仍具有应用价值。模型试算结果表明,地震记录信噪比对反射系数有很大影响,但是对于孔隙度和饱和度计算结果影响不大,证明了方法的有效性和适应性。
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