机构地区: 西南石油大学石油工程学院
出 处: 《重庆科技学院学报(自然科学版)》 2013年第1期104-108,共5页
摘 要: 介绍2种确定砂岩油藏注水井水驱前缘位置的方法——试井分析法和贝克莱-列维尔特法。运用这2种方法分别对新疆某砂岩油藏注水实例井进行计算,与现场结果对比发现:贝克莱-列维尔特法计算的结果随注水时间的增加偏差越来越大,在注水早期偏差小,注水中后期偏差相对较大;试井分析法计算的结果偏差小,不受注水时间的影响。贝克莱-列维尔特法较试井分析方法计算简单、使用方便。因此,在注水开发早期,推荐使用贝克莱列维尔特法计算水驱前缘,在注水开发中后期,推荐使用试井分析法计算水驱前缘。 Two methods are introduced which can determine water flooding front of sandstone reservoir. The one is the well test analysis, and the other is the equation of Buckley - leverett ( called Buckley - Method). The author calculates water flooding front of the sandstone reservoir in Xinjiang province by the two methods. After comparing the calculated results of the two methods with the data from the oilfield, we found that the method of well test analy- sis is more accurate than the other one. With the increase of the exploitation time, the deviation of results of Buck- ley - Method becomes larger and larger than the data from the oilfield. In the earlier stage of water injection, the deviation is less than the later stage. And the results calculated by the method of the well test analysis are not af- fected by the time of water injection. But the Buckley - Method is more convenient and accurate when we have the latest data of relative permeability. So we should use Buckley - Method in the earlier stage of water injection while the method of well test analysis is suitable in the later stage of water injection.
关 键 词: 砂岩油藏 注水 试井分析 水驱前缘 贝克莱 列维尔特法
领 域: [石油与天然气工程]