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作 者:杨雷[1] 罗凌燕[1] 巩卫军 张德鑫 王成顺[1] 范敏杰 YANG Lei;LUO Lingyan;GONG Weijun;ZHANG Dexin;WANG Chengshun;FAN Minjie(Oil Production Plant 3 of PetroChina Changqing Oilfield Company,Yinchuan Ningxia 750006,China)
机构地区:[1]中国石油长庆油田分公司第三采油厂,宁夏银川750006
出 处:《石油化工应用》2022年第4期49-51,58,共4页Petrochemical Industry Application
摘 要:特低渗油藏受优势渗流通道及裂缝等影响,含水快速上升,表现出低采油速度、低采出程度的双低开发特征。试验区自2016年起开展聚合物微球调驱工作,先后经历先导试验、扩大试验和规模推广三个阶段,实施区域阶段递减率可降低5%左右,整体效果明显,但在不同油藏条件、注入条件下的适应性及应用效果具有较大差异。本文在深入剖析开发矛盾基础上,立足一次井网水驱,通过对聚合物微球驱的矿场实践及应用效果总结,形成了较为成熟和完善的提高采收率技术,对同类油藏高含水期稳油控水具有较强的技术借鉴指导意义。Affected by the dominant seepage channels and fractures,the water cut of ultra-low permeability reservoir increases rapidly,showing the double low development characteristics of low oil production rate and low recovery degree.Since 2016,polymer microsphere profile control and flooding has been carried out in the test area,which has experienced three stages,pilot test,expansion test and scale promotion.The decline rate of the regional stage can be reduced by about 5%,and the overall effect is obvious,but the adaptability and application effect under different reservoir conditions and injection conditions are quite different.Based on the in-depth analysis of the development contradiction,based on the primary well pattern water drive,and through the summary of the field practice and application effect of polymer microsphere drive,this paper has formed a relatively mature and perfect EOR technology,which has a strong technical reference and guiding significance for stabilizing oil and water control in high water cut period of similar reservoirs.
分 类 号:TE357.46[石油与天然气工程—油气田开发工程]
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