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针对麻黄山西探区区域地质特征,分析和确定了该区块不同井区的视油柱高度,并从常规测井物理参数的特征出发,分析了油层、油水同层、水层和干层的测井响应特征参数,确定了用GR、DEN、RT、RT/R0、Rxo/RT及POR(D-N)的特征值来构建该区Bayes自动判别函数,并引入不同井区的视油柱高度来进行限定,以此实现在不同井区自动判别含油性的方法。判别结果与测试资料进行了对比验证,其解释符合率达87.1%,取得了较明显的应用效果。
According to the regional geological characteristics of the exploration area in Mahuang area, the height of oil sighting columns in different well areas of the block was analyzed and determined. Based on the characteristics of conventional logging physical parameters, the characteristics of oil layer, oil-water layer, water layer and dry layer Logging response characteristic parameters, it is determined that Bayesian discriminant function of GR, DEN, RT, RT / R0, Rxo / RT and POR (DN) is constructed and the height of oil column in different wells is introduced To limit, in order to achieve in different wells automatically determine the method of oil. Discrimination results and test data were compared and verified, the interpretation of the agreement rate of 87.1%, and achieved a more obvious application effect.