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作 者:朱轶[1] 程汉列 王连山 罗慎超[1] 王宏[1] 牛阁[1]
机构地区:[1]塔里木油田分公司塔北勘探开发项目经理部,新疆库尔勒841000 [2]恒泰艾普石油天然气技术服务股份有限公司,北京100084
出 处:《油气井测试》2016年第3期4-6,11,共4页Well Testing
基 金:国家科技重大专项"塔里木碳酸盐岩油藏重大开发试验"(2011ZX05004-004)内容
摘 要:缝洞型碳酸盐岩储层缝洞组合关系复杂,不同组合形式及渗流特征对注水开发效果影响极大。对近年来不同注水开发单井试井特征分析研究,按照井眼位于缝洞体位置简要分为三类:洞(洞+洞)、缝+洞、裂缝孔洞。并将试井所得渗流特征及地层参数与实际注水效果分析对比,井眼位于洞穴内储层注水效果最好,油水置换率高,增油效果显著。井眼位于洞穴外裂缝发育区,注水替油生产后易产生裂缝性水窜暴性水淹。井眼位于低渗裂缝孔洞型储集体注水效果最差,措施前应合理论证注水必要性。通过试井对储层分析,讨论了注水开发效果差异,为后期注水开发选井提供理论依据。Fracture cave combined relationships in the fractured vuggy carbonate reservoir are complex,which have great different influence on water injection development. By study and analysis of the characteristics of different injection single well test in recent years,in accordance with the wells locations,the fracture-cavity position are divided into three categories: cave( cave + cave),fractured + cave、fractured-vuggy. Through comparative analysis of seepage characteristics and reservoir parameters gained by well testing to the actual effect of water injection,injection effect of well located inside the cave water is the best,oil-water replacement rate is high and raising oil effect is significant. Well located inside the fractured that out of the cave,the crack water breakthrough and soon flooded is easy to produce after water injection for oil production,and injection effect of well located inside the low permeability fractured-vuggy reservoir has the worst effect,a reasonable argument the necessity of water injection should be done. Through the well test analysis of reservoir,the difference of water injection effect is discussed,providing a theoretical basis for water injection.
关 键 词:哈拉哈塘油田 缝洞型油藏 注水替油 试井 选井方法
分 类 号:TE353[石油与天然气工程—油气田开发工程]
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