摘要
在前人研究的基础上,发展了基于物质平衡方法的水驱前沿驱扫面积计算方法,并提出将水驱前沿驱扫面积与水驱控制程度分析相结合,研究分层评价水驱开发效果的方法。运用该方法评价了乾安油田Ⅰ区各层水驱开发效果,得出乾安油田Ⅰ区主力层Ⅶ砂组的23、24、25小层具有较高的水驱控制程度,水驱开发效果较好。同时该方法在乾安油田的运用也证明了分层评价水驱油藏开发效果比笼统评价能更真实地反映油藏开发状况,能取得更好的评价效果。
On the basis of predecessors' researches,the method for calculating scavenging area at waterflooding front was developed based on material balance,and it was proposed that the scavenging area was combined with the analysis of waterflooding control level to study the method for evaluating the effect of stratification waterflooding.The method is used to evaluate the waterflooding effect in each layer of Qian'an Oilfield,it indicates that subzones 23,24,25 in the main Sand Group Ⅶ in Region I of the Oilfield have higher waterflooding control level and better waterflooding effect,it also demonstrates that the development effect evaluation on waterflooding reservoirs by stratification evaluation,compared with conventional evaluation,is better for reflecting the situations of reservoir development,can achieve better evaluating effect.
出处
《石油天然气学报》
CAS
CSCD
北大核心
2009年第1期104-107,共4页
Journal of Oil and Gas Technology
基金
国家"973"规划项目(2006CB705800)
关键词
乾安油田
水驱开发效果
水驱控制程度
驱扫面积
分层评价
Qian'an Oilfield
waterflooding effect
waterflooding control level
scavenging area
stratification evaluation
