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安塞油田长6储层敏感性评价

Liaoning Chemical Industry(2012)

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Abstract
敏感性评价是研究储层伤害机理、减小储层损害的依据,是油田高效开发的基础。安塞油田属于开发难度较大的低孔特低渗油田,其主力开发层长6油层孔隙度低,渗透性差,非均质性较强。结合该地区的地质特征和储层特征,对安塞油田长6储层进行敏感性室内评价实验,室内评价实验表明:安塞油田长6储层具有中偏强速敏、弱水敏、弱盐敏、中等酸敏和弱~中等碱敏的特征。
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Key words
Sensitivity,Ansai oilfield,Chang 6 reservoir
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