| 凝析气井气窜后的产能特征变化及调整措施效果评价 |
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| 引用本文： | 刘东,张久存,张明亮.凝析气井气窜后的产能特征变化及调整措施效果评价[J].新疆石油天然气,2008,4(4). |
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| 作者姓名： | 刘东 张久存 张明亮 |
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| 作者单位： | 中国石油塔里木油田公司天然气事业部,新疆,库尔勒,841000 |
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| 基金项目： | 国家“十五”重点科技攻关项目(2001BA605A02)成果部分研究内容 |
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| 摘 要： | 在凝析气藏循环注气驱替过程中,受储集层非均质性影响,注入干气易于流过高渗透带或天然裂缝而发生过早气窜。文章分析牙哈凝析气田循环注气开发的现场资料,结合数值模拟方法,阐述了注入气突破至采气井井底后,采气井井流物组分及相态的变化规律,并研究了气窜发生后气井产能的变化特征,总结了凝析气井气窜后的治理措施及措施效果评价1]。
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| 关 键 词： | 高渗透带 混相驱 注入体积 井流物 流压 反凝析 |
THE INFLUENCE OF GAS BREAKTHROUGH ON PRODUCTIVITY FEATURE OF CONDENSATE GAS WELL |
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| Liu Dong,Zhang Yong-cun,Zhang Min-liang.THE INFLUENCE OF GAS BREAKTHROUGH ON PRODUCTIVITY FEATURE OF CONDENSATE GAS WELL[J].Xinjiang Oil & Gas,2008,4(4). |
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| Authors: | Liu Dong Zhang Yong-cun Zhang Min-liang |
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| Affiliation: | Liu Dong,Zhang Yong-cun,Zhang Min-liang. Natural Gas Project Department,Tarim Oilfield Company,CNPC,Xinjiang Kuerle 841000 |
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| Abstract: | Under the effect of the reservior heterogeneity,injected gas is easy to flow through high permeabilityzone or natural fracture and cause the premature gas breakthrough during cyclic gas injection displacement ofcondensate gas reservoir. In this paper,it will be probed into how to delay the gas breakthrough, and modify theinjection and production relationship after the gas breakthrough, through the discussion of cyclic gas injectiondevelopment of Yaha gasfield, composition of well fluid and law of phase chan... |
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| Keywords: | High permeability zone Miscible drive Injection volume Well fluid Flowing pressure Retrograde condensate |
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