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基于核磁共振孔隙结构的产能评价
引用本文:苏俊磊,孙建孟,苑吉波,侯国文.基于核磁共振孔隙结构的产能评价[J].西安石油大学学报(自然科学版),2011,26(3).
作者姓名:苏俊磊  孙建孟  苑吉波  侯国文
作者单位:1. 中国石油大学(华东)地球资源与信息学院,山东东营,257061
2. 中国石油大港油田公司第三采油厂,天津,300280
3. 中国石油大港油田勘探开发研究院,天津,300280
基金项目:国家"863"高技术研究发展计划项目
摘    要:分析A凹陷下第三系毛管压力曲线特征,结合核磁、试油、压裂资料,筛选出有效孔隙度、绝对渗透率、排驱压力、孔隙喉道均值、分选系数、最大进汞饱和度6个储层分类关键评价参数.由该6种关键参数构建一条储层分类综合评价指数曲线,对A凹陷下第三系储层进行系统地分类,共试油95层,储层产能评价准确率为88.42%.该方法弥补了利用常规测井和岩心毛管压力曲线进行储层分类的不足,提高了储层分类精度.

关 键 词:核磁共振测井  毛管压力  孔隙结构  储层分类

Reservoir productivity evaluation based on NMR pore structure
SU Jun-lei,SUN Jian-meng,YUAN Ji-bo,HOU Guo-wen.Reservoir productivity evaluation based on NMR pore structure[J].Journal of Xian Shiyou University,2011,26(3).
Authors:SU Jun-lei  SUN Jian-meng  YUAN Ji-bo  HOU Guo-wen
Institution:SU Jun-lei1,SUN Jian-meng1,YUAN Ji-bo2,HOU Guo-wen3(1.Faculty of Geo-Resources and Information,China University of Petroleum(East China),Dongying 257061,Shandong,China,2.No.3 Oil Production Plant,Dagang Oilfield Company,CNPC,Tianjin 300280,3.Research Institute of Exploration & Development,China)
Abstract:Based on the analysis of capillary pressure curves of Paleogene in A Sag,integrated with NMR,testing oil and fracturing data,effective porosity,absolute permeability,displacement pressure,pore throat mean,sorting coefficient and the maximum saturation of mercury are selected as the key parameters for the classification of reservoir.Based on 6 key parameters,a comprehensive reservoir classification index curve is constructed to classify Paleogene reservoirs of A Sag.The accuracy of evaluating reservoir produ...
Keywords:NMR logging  capillary pressure curve  pore structure  reservoir classification  
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