摘要
优选芳48断块的F180-129井组,进行见气后的脉冲注气调剖模拟,采用正交实验设计方法对脉冲注气的注气周期、注气量等参数进行优化。优化得到的最佳方案参数为:注气4个月,停注1个月,周期注入0.02 HCPV。另外在最优方案的基础上进行了脉冲时机优选,结果表明F180-129井组在第1或第2口井见气后实施脉冲注气的效果较好,在采出程度较高的同时最终换油率也较高。
The paper presents profile control simulation of pulse injection of CO2 after CO2 breakthrough and the optimization of injection period,injection volume etc.for the pulse injection of CO2 by adopting orthogonal experiment design methods.The optimized parameters are: injecting gas for 4 months and stop injecting for 1 month,and the gas injected volume per cycle is 0.02 HCPV.Furthermore,the moment when pulse injection is started is determined based on the above optimization.The result shows that the efficiency is the best after the CO2 breakthrough of the first well or the second well for F180-129 well group.
出处
《特种油气藏》
CAS
CSCD
北大核心
2012年第6期104-107,147,共4页
Special Oil & Gas Reservoirs
基金
国家重大专项"低渗
特低渗透油气田经济开发关键技术"(2008ZX05013)
关键词
脉冲注气
脉冲时机
数值模拟
正交分析
低渗油藏
芳48断块
pulse injection of gas
pulse-injection opportunity
numerical simulation
orthogonal analysis
low-permeability oil reservoir
Fault Block Fang 48
