鄯善油田注水井堵塞特征及解堵技术研究

Petrochemical Industry Application(2015)

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Abstract
鄯善油田属于低孔特低渗油田,注水井注水压力逐年上升,注水井欠注已成为突出矛盾,严重影响油田注水开发效果.室内试验和现场经验认为储层敏感性、注入水水质、地层结垢以及增注措施的影响是油田注水井伤害主要因素.通过开展岩心溶蚀试验,认为多氢酸体系在该地区具有良好的适应性,并以此确定出用酸强度等关键参数,绘制了相应的应用图版.
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