【作者】 郑建东；

【导师】 柳成志； 刘传平；

【作者基本信息】 东北石油大学 ， 地质工程， 2010， 硕士

【摘要】 本文针对中基性火山岩储层岩性复杂、流体类型多样、气水关系复杂等难点,以储层“四性关系”研究为基础,应用岩心刻度测井、特殊测井与常规测井相结合的方法,形成了一套包括中基性火山岩储层岩性识别、流体性质识别、参数计算及储层测井分类的综合评价技术。应用ECS测井识别过渡岩性及沉积岩与火山岩互层问题;形成了双密度重叠、横纵波时差比值及核磁测井识别等流体识别方法,并在研究了特殊矿物和蚀变作用对电阻率影响的基础上,综合判别中基性火山岩储层流体性质;针对岩石骨架变化大的特点,采用变骨架密度法建立了有效孔隙度解释模型,并在相似孔渗归类研究基础上,分类别建立了渗透率计算模型;在最小有效孔喉半径和导电路径研究基础上,建立了基于压汞资料和导电孔隙的饱和度解释模型;同时应用上述部分成果,建立了储层测井分类标准,为试气选层及产能分析提供了技术支持。该项目的研究成果已应用于储量提交及单井测井综合评价中,为天然气的勘探开发提供了技术保障。更多还原

【Abstract】 In view of complex lithology, diversified fluid type, complex relationship of gan and water in neutral and basic volcanic rock, we are based on the reservoir of“four quality relationship”and directed by well logging theory, use the associated method of core scale logging, particular well logging and traditional well logging, establish one suit of comprehensive evaluation technology which includes reservoir lithology identification, fluid property recognition,parameter calculation and reservoir logging classification. We use ECS well logging to identify interim lithology and volcanic rock interbedding which is difficult to identify by using traditional method. We develop fluid recognition method including double density overlapping,transverse and longitudinal wave time difference ratio and nuclear magnetic logging. On the basis of studying the effect of especial mineral and alteration action on the resistivity, we distinguish synthetically the fluid property of neutral and basic volcanic rock. In view of the variable distinguishing feature of rock skeleton,we use variable matrix density method to establish interpretation model of effective porosity. On the basis of studying classification of similar porosity and permeability,we establish permeability computation module according to different category. After researching minimal effective pore throat radius and conductive path,we establish saturation interpretation model which is based on mercury penetration data and conductive aperture. Using above partial outcome,we establish reservoir logging clascification criteria which provide technical support for selecting straturm to attempt gas and deliverability analysis. The research outcome of this item has been used in reserve submission and well logging comprehensive evaluation in individual well. This method provides technical support for gas exploratory development.更多还原