| 普光地区缝洞性储层岩电参数影响因素分析 |
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| 引用本文： | 田素月,司马立强.普光地区缝洞性储层岩电参数影响因素分析[J].测井技术,2009,33(2). |
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| 作者姓名： | 田素月 司马立强 |
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| 作者单位： | 1. 中国科学院地质与地球物理研究所,北京,100029;中原石油勘探局地球物理测井公司,河南,濮阳457001
2. 中原石油勘探局地球物理测井公司,河南,濮阳457001 |
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| 摘 要： | 在对普光地区189块岩心岩石物理实验资料分析的基础上,讨论了地层水矿化度、泥质含量、温度以及孔、洞、缝发育程度对孔隙结构指数m值和饱和度指数n的影响.认为,随地层水矿化度的增大,m、n值呈增大趋势;随温度和孔隙度的增大,m增大,n减小.利用岩电实验资料,做出了地层因素-孔隙度关系图版和电阻率增大系数-含水饱和度关系图版,从而计算出m、n值.经过现场实例验证,测井处理计算的含水饱和度与岩心分析含水饱和度相关系数较高,表明利用该规律选择的岩电实验参数m、n值适合缝洞性储层的含水饱和度计算.
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| 关 键 词： | 测井解释 含水饱和度 地层水矿化度 泥质含量 温度 岩电参数 |
On the Influential Factors of Rock Electrical Parameters in Fractured and Caved Reservoirs in the Puguang Area |
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| TIAN Su-yue,SIMA Li-qiang.On the Influential Factors of Rock Electrical Parameters in Fractured and Caved Reservoirs in the Puguang Area[J].Well Logging Technology,2009,33(2). |
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| Authors: | TIAN Su-yue SIMA Li-qiang |
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| Affiliation: | TIAN Su-yue1,2,SIMA Li-qiang2 (1.Institute of Geology , Geophysics,Chinese Academy of Sciences,Beijing 100029,China,2.Geophysical Wellline Logging Company,Zhongyuan Petroleum Exploration Bureau,SINOPEC,Puyang,Henan 457001,3.Southwest Petroleum University,Chengdu,Sichuan 610500,China) |
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| Abstract: | In terms of the experimental data of 189 pieces of cores in Puguang area,analyzed are the influence of formation water salinity,shale content,temperature and the growth degrees of pores,caverns and fractures on rock electrical parameters m and n.Considered that rock electrical parameters m and n show an upward tendency when the formation water salinity increases;when the temperature and formation porosity increase,m increases and n decreases.Formation factor-porosity chart and resistance increase coefficien... |
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| Keywords: | log interpretation water saturation formation water salinity shale content temperature rock electrical parameter |
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