| 基于三水模型的储层分类方法评价低孔隙度低渗透率储层 |
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| 引用本文： | 张丽华,潘保芝,李宁,张冰,边会媛,韩雪.基于三水模型的储层分类方法评价低孔隙度低渗透率储层[J].测井技术,2011,35(1). |
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| 作者姓名： | 张丽华 潘保芝 李宁 张冰 边会媛 韩雪 |
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| 作者单位： | 张丽华,潘保芝,张冰,边会媛,韩雪,ZHANG Lihua,PAN Baozhi,ZHANG Bing,BIAN Huiyuan,HAN Xue(吉林大学地球探测科学与技术学院,吉林长春,130026);李宁,LI Ning(华东石油局测井站,江苏扬州,225007) |
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| 摘 要： | 低孔隙度低渗透率储层由于孔隙类型多样,结构复杂,往往孔隙度变化范围不大,而渗透率变化范围却很大.测井评价这类储层一直是难点.根据毛细管压力曲线形态,将研究区的储层分为4类,依据孔隙半径大小,计算出对应各类储层的自由孔隙度、微孔隙度和黏土孔隙度,把这3种孔隙度按各自占总孔隙的百分比投到孔隙分类三角图上,得到各类储层在三角图上的位置,根据岩心物性分析资料,分别建立孔渗关系.根据三水模型计算出各种孔隙度的大小,投到分类三角图上,得到各井连续的储层分类,选择相应类别的渗透率公式对储层进行综合评价.该方法在研究区应用中取得了满意的效果.
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| 关 键 词： | 测井解释 低孔隙度 低渗透率 储层分类 三水模型 毛细管压力 |
Reservoir Classification Method Based on Three Water Model to Evaluate Low Porosity and Low Permeability Reservoir |
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| ZHANG Lihua,PAN Baozhi,LI Ning,ZHANG Bing,BIAN Huiyuan,HAN Xue.Reservoir Classification Method Based on Three Water Model to Evaluate Low Porosity and Low Permeability Reservoir[J].Well Logging Technology,2011,35(1). |
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| Authors: | ZHANG Lihua PAN Baozhi LI Ning ZHANG Bing BIAN Huiyuan HAN Xue |
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| Affiliation: | ZHANG Lihua1,PAN Baozhi1,LI Ning2,ZHANG Bing1,BIAN Huiyuan1,HAN Xue1(1.College of Geo-exploration Science and Technology,Jilin University,Changchun,Jilin 130026,China,2.Well Logging Station,East China Petroleum Bureau,SINOPEC,Yangzhou,Jiangsu 225007,China) |
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| Abstract: | Due to the various pore types and complex pore configurations,it is difficult to evaluate low porosity and low permeability reservoir.Slight variation range of porosity often causes large variation range of permeability.According to the shapes of capillary pressure curves of core samples,firstly,the surveyed reservoirs are classified into four types;then calculated are free porosity,micro-porosity and clay porosity in the light of pore radius size;then cast is the percent of each porosity in the total poros... |
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| Keywords: | log interpretation low porosity low permeability reservoir classification three-water model capillary pressure |
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