摘要
保护气层是气田开发中一个具有重要意义的问题 ,也是提高气井产能的重要措施之一。本文利用大房身气田压力恢复试井、修正等时试井资料的解释获得了井的污染程度等大量信息 ,结合钻井情况 ,对大房身气田气层伤害进行了综合评价。评价结果认为 ,在钻井时尽可能提前完钻 ,减少泥浆进入地层的机会 ;产量不合理也是影响表皮系数的因素之一。
Gas formation protection is a emphasized problem in gas development,and it is an efficient process for raising high gas production.Formation damage information in Dafangshen gas reservoir is got by analyzing the pressure buildup and the modified isochronal test data.Considering on the drilling information,we have evaluated the formation damage in the whole Dafangshen gas reservoir. The results show that drilling should be finished as well as possible in order to avoid mud getting into the gas formation,and the unreasonable production rate is one of the factors that influence the skin effect.
出处
《油气井测试》
2000年第3期41-46,共6页
Well Testing
关键词
气井试井
恢复分析
综合评价
气层伤害
gas well testing,pressure buildup analysis,comprehensive evaluation
