| 华池油田华152区低渗透砂岩储层敏感性及其形成机理 |
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| 引用本文： | 李群,郭建华,郭原草,苏调红.华池油田华152区低渗透砂岩储层敏感性及其形成机理[J].矿物岩石,2009,29(2). |
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| 作者姓名： | 李群 郭建华 郭原草 苏调红 |
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| 作者单位： | 中南大学地学与环境工程学院,湖南,长沙,410083 |
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| 基金项目： | 国家科技重大专项基金 |
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| 摘 要： | 华池油田华152区长3油层组储层为曲流河三角洲粉-细粒长石砂岩、岩屑长石砂岩，矿物成分成熟度低，结构成熟度中等，填隙物含量较高，孔隙结构以中孔细喉型为主，物性较差，属低渗透储层。主要成岩矿物（伊利石、绿泥石、伊／蒙混层、高岭石、方解石、白云石等）使储层对外来流体有不同程度的敏感性反应。“五敏”实验结果表明，储层速敏和碱敏均为弱-中等偏弱，部分伊/蒙混层、绿泥石、碳酸盐矿物含量高的样品表现出强水敏、强酸敏、强盐敏的特征；油田水结垢实验表明，注入水与地层水、储层岩石不配伍产生盐垢CaCO3，CaSO4，实验为开采过程中回注地层水和注气开采等工艺提供油层保护的理论依据。
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| 关 键 词： | 低渗透储层 敏感性评价 伤害机理 储层保护 华152区 |
SENSITIVITY CHARACTER AND ITS MECHANISM ANALYSIS OF LOW-PERMEABILITY SAND BODIES IN H152 BLOCK OF HUACHI OILFIELD |
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| LI Qun,GUO Jiang-hua,GUO Yuan-cao,SU Diao-hong.SENSITIVITY CHARACTER AND ITS MECHANISM ANALYSIS OF LOW-PERMEABILITY SAND BODIES IN H152 BLOCK OF HUACHI OILFIELD[J].Journal of Mineralogy and Petrology,2009,29(2). |
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| Authors: | LI Qun GUO Jiang-hua GUO Yuan-cao SU Diao-hong |
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| Institution: | LI Qun,GUO Jiang-hua,GUO Yuan-cao,SU Diao-hong School of Geosciences , Environmental Engineering,Central South University,Changsha 410083,China |
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| Abstract: | Chang-3 reservoir sandstones of H152 block in Huachi oilfield belong to meandering river delta sediment.They mainly consist of silt-fine grained arkoses and lithic arkoses with low compositional maturity,medium structural maturity,and high content of clay minerals.Medium sized pore and fine throat indicate the characteristics of low-permeability.Main types of diagenetic minerals include illite,chlorite,mixed illite/semectite,kaolinite,calcite and dolomite and so on.Experiments show that they have a variety ... |
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| Keywords: | low permeability reservoir sensitivity evaluation damage mechanisms reservoir protection H152 block |
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