赵杰,雷茂盛,杨兴旺,朱友清
ZHAO Jie1,LEI Mao-sheng1,YANG Xing-wang2,ZHU You-qing2 (1.Exploration Branch Company of Daqing Oilfield Company Ltd.

• 1:大庆油田有限责任公司勘探分公司
• 2:大庆油田有限责任公司勘探分公司
• 3:斯伦贝谢
• 4:斯伦贝谢 黑龙江大庆163453

摘要(Abstract)：

由于火山岩地层的喷发类型不同、喷发期次多及岩石的结晶程度的差异,导致火山岩地层岩性成分复杂多样,从而进一步导致火山岩岩石物理特性多变,火山岩地层岩石的成分、骨架参数难于确定以及火山岩地层导电机理复杂等。因此,利用常规测井曲线建立准确、可靠的岩石物理模型进行岩性识别和矿物含量计算是非常困难的。基于徐家围子气藏描述成果,提出了火山岩地层测井评价的方法和思路,即:应用元素俘获谱测井(ECS)数据进行岩石成分的分类并得到地层岩石骨架参数;密度测井与核磁共振测井(CMR-PLUS)相结合,并利用ECS得到的岩石骨架参数进行孔隙度计算;将核磁共振T2分布谱转换成毛管压力曲线;在已知自由水界面的基础上利用核磁共振测井得到的毛管压力曲线计算储层流体饱和度。实践证明,应用效果较好。
Due to difference in eruption types,eruption stages and degree of crystallization for volcanic rock formation,volcanic lithology is very complicated.So,the petrophysics of volcanic rock formation is multivariant,it is difficult to determine its composition and framework parameters,and the electric conduction mechanism is complicated.Therefore,there are great difficulties building accurate and reliable petrophysical models based on conventional logging curves to identify lithology and calculate mineral content.According to Xujiaweizi gas reservoir description results,the method and idea for volcanic rock formation logging evaluation are established,namely,ECS data are used for lithology identification and matrix parameter calculation;with the combination of density logging and nuclear magnetic resonance log and the matrix parameter calculated based on ECS to calculate porosity;change the nuclear magnetic resonance spectrum T2 to capillary pressure curve;based on the known free water boundary and with the application of the obtained capillary pressure curve to calculate the saturation of the reservoir fluids.According to the practice,the application result is better.

关键词(KeyWords)： 火山岩地层;元素俘获谱测井;核磁共振测井;岩石骨架参数;毛管压力
volcanic rock formation;ECS logging;nuclear magnetic resonance logging;matrix parameter;capillary pressure

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 赵杰,雷茂盛,杨兴旺,朱友清
ZHAO Jie1,LEI Mao-sheng1,YANG Xing-wang2,ZHU You-qing2 (1.Exploration Branch Company of Daqing Oilfield Company Ltd.

参考文献(References)：

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