海安油区袁101井区储层敏感性试验研究
Journal of Yangtze University(Natural Science Edition)（2011）
Abstract
试验研究了海安油区袁101井的油层取心岩样的敏感性.结果表明,临界流速1.46m/d,速敏指数为0.46,速敏损害程度中等偏弱；水敏指数为0.53,水敏损害程度中等偏强,临界矿化度22950mg/L;碱敏指数为0.05,无碱敏损害.酸敏指数为0.14,酸敏损害程度中等偏弱;围压≤18MPa下,应力敏感性引起的渗透率损害率为55.35％,损害程度中等偏强；应力敏感性引起的不可逆渗透率损害率为13.78％.
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Key words
sensitivity,stress sensitivity,Well Yuan-101,reservoir protection
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