鄯善油田三类油层压驱新工艺的研究与应用
Technology Supervision in Petroleum Industry（2020）
中国石油天然气股份有限公司吐哈油田分公司
Abstract
通过建立老油区地质力学理想模型,研究了压驱工艺裂缝扩展和渗流机理,并分析了地层因素、工程因素对裂缝半长和渗滤距离的影响及其权重,结合施工参数优化版图形成了适合于鄯善老油区压驱工艺的最优施工方案参数.根据最优压驱工艺方案对2口停产待报废井采取先驱油补能后加砂压裂的工艺,开采效果明显,证实了压驱工艺可提高采收率,为难动用的三类油层开发井提升开发效果提供了新的技术思路.
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