叠前AVO反演技术在储层预测中的应用
Petroleum Geology & Oilfield Development in Daqing（2014）
Abstract
储层含油气预测是松辽盆地北部杏西地区葡萄花油层岩性油气藏勘探的难点.在岩石物理分析的基础上,以多属性交会分析为手段,以理论和正演结论为指导,利用AVO反演技术进行岩性和流体预测.研究认为:葡Ⅰ2油层段储层含油气之后其AVO特征为Ⅰ类AVO异常,MuRo反射率属性能够较好地反映岩性的变化,而流体因子反射率属性能够较好地反映流体的变化;利用这两种AVO属性的分析结果,可得到杏西地区葡萄花油层储层含油气性分布,为储层预测和含油气判别提供了有利依据,在实际生产中取得了较好的应用效果.
MoreKey words
AVO pre-stack inversion,reservoir,prediction,preprocessing,hydrocarbon/petroleum-bearing detection,liquid displacement
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