榆林气田南区高效开发与效益评价

根据榆林气田为典型的低渗透岩性气藏的地质特征, 从气田高效开发思路出发, 强化气田开发动态分析, 主要包括气井产能核实和气井分类管理, 实现了低产井的科学开发。采用气藏工程方法简化气田动态监测工作量, 主要通过地层压力、井底流压等的理论计算, 节约了气田开发的大量测试费用。探索气田效益分类方法和判断标准, 采用多项评价指标分析气田效益形势, 为提高气田的开发效益评价工作奠定了基础, 指导了榆林气田的高效开发。

Efficient development and benefit evaluation in Yulin Gasfield

Yulin Gasfield is a typical lithologic gas reservoir with low permeability. Based on the thought of efficient development, dynamic analyses of gas field development are proposed for the purpose of scientific development of the low-yield wells, mainly including well productivity verification and classification management. Gas reservoir engineering method is applied to simplify the dynamic monitoring workload, which is based on the theoretical calculation of formation pressure and bottom hole flowing pressure. This method has been proved to save a large amount of testing cost. The research of benefit classification and criterion and the trend analysis of benefit by multiple evaluation indexes could settle a strong base for the benefit evaluation of gas field development and carry out the efficient development of Yulin Gasfield.