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统计与案例分析：预测油田储层物性的神经网络模型（BP+LSTM）

上传者： 45085051 | 上传时间： 2022-09-09 16:05:45 | 文件大小： 15.82MB | 文件类型： RAR
内容概要： 1、对收集到测井数据进行去除异常值、插值、标准化、独热编码等数据预处理，分别得到预测储层物性的回归数据及识别储层含油气性的分类数据。 2、为了预测储层物性孔隙度，分别构建了BP神经网络和长短期记忆神经网络，并对该网络的隐含层数、学习率衰退因子和RMSE等关键指标进行对比分析及网络拟合度检测。此外，采用留一法交叉验证将单个井作为测试集，其余不包含该井的测井数据作为训练集，以此来分析单个井的孔隙度预测结果。 3、为了识别储层含油气性，分别构建了BP神经网络和循环神经网络（LSTM及Bi-LSTM），并利用混淆矩阵、ROC曲线及AUC面积来衡量以上分类模型的性能。 适用方向：统计学和神经网络方向案例分析 其他说明：附件包含预处理后的数据、BP和LSTM回归模型代码、BP和LSTM和Bi-LSTM分类模型代码，以及所有的分析结果图，并附上完整报告。 测井数据；BP神经网络；循环神经网络；留一法交叉验证；Matlab

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