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首页> 外文期刊>The Open Petroleum Engineering Journal >Types of Diagenetic Facies of Tight Sandstone Reservoir and Its QuantitativeIdentification by Well Log Data
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Types of Diagenetic Facies of Tight Sandstone Reservoir and Its QuantitativeIdentification by Well Log Data

机译：致密砂岩储层成岩相类型及其定量测井资料识别

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摘要

According to the features of clastic mineral components, diagenesis, diagenetic mineral combination, etc., thetight sandstone reservoir of Es3x1 in block Zhuang62-66 is classified into 5 types of diagenetic facies by the analysis ofthin sections, casting thin sections, scanning electron microscopy and core description. Natural gamma (GR), true formationresistivity (Rt), flushed zone formation resistivity (Rxo), compensated neutron (CNL), density (DEN), acoustic (AC)and spontaneous potential (SP) are selected on the basis of comprehensively analyzing the log response mechanism of differentdiagenesis. The effective log recognition model of diagenetic facies is established on the basis of principal componentanalysis, five comprehensive variables F1~F5 are built, while F1 and F5 account for 91.4% of the total variance,which could replace primitive multi-dimension information. The method is verified through processing of coring wells,thus providing a geological basis for the high quality reservoir prediction of the oilfield in the future.
机译：根据碎屑矿物成分，成岩作用，成岩作用矿物组合等特征，通过对岩心的薄断面，薄铸片，扫描电镜和薄层分析，将庄62-66区块Es3x1致密砂岩储层分为5种成岩相。核心描述。在综合分析了自然伽玛（GR），真实地层电阻率（Rt），冲洗区地层电阻率（Rxo），补偿中子（CNL），密度（DEN），声波（AC）和自发势能（SP）的基础上。成岩的对数响应机制在主成分分析的基础上，建立了有效的成岩相对数识别模型，建立了五个综合变量F1〜F5，其中F1和F5占总方差的91.4％，可以替代原始的多维信息。通过对取心井的处理验证了该方法，为将来的优质油藏预测提供了地质基础。

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