油田开发后期合理井网密度确定方法

Method of determining reasonable well pattern at oilfield development later stage.

以谢尔卡切夫关系式为基础 ,应用注水开发油藏统计规律 ,建立不同含水下单井控制剩余可采储量与井网密度关系式。通过图解法确定合理井网密度 。

The relational expression of residual recoverable reserves controlled by individual well and well spacing density in the condition of various water cut value is built using the statistic rule of water flooding reservoir based on Serkachef relational expression. The reasonable well spacing density may be determined by graphic approach, and it can provide foundation for pattern modification at oilfield development later stage.