摘要
通过近似和修正方法得出了低渗透垂直裂缝油藏的产能公式。考虑到启动压力梯度、裂缝长度以及地层的污染状况, 通过修正方法得到了具有启动压力梯度的垂直裂缝油藏生产井的产能公式, 并给出了相应的工程产能公式。分析表明, 当启动压力梯度较小时, 对产量的影响很小, 随着启动压力梯度的增大, 影响增强, 产量下降。
This paper plots out the productivity formula for vertical fractures in low permeable reservoirs using approximation and correction method. Considering the starting pressure gradient,fracture length and formation pollution,it works out a productivity formula of the producing well in vertical fractured reservoir with a starting pressure gradient,and gives a corresponding engineering productivity formula.The analysis shows that low starting pressure gradient has little effect on the production.With the increase of starting pressure gradient,it has more effect and the production decreases.
出处
《大庆石油地质与开发》
CAS
CSCD
北大核心
2005年第1期54-55,60,共3页
Petroleum Geology & Oilfield Development in Daqing
关键词
低渗透油藏
启动压力梯度
产能公式
裂缝长度
low permeable reservoir
starting pressure gradient
productivity formula
fracture length
