凝析气藏临界流动饱和度研究综述  

Development on critical condensate saturation in gas condensate reservoir

作　　者：李骞[1] 李相方[1] 石军太[1] 尹邦堂[1] 

机构地区：[1]中国石油大学石油工程教育部重点实验室,北京102249

出　　处：《石油钻采工艺》2010年第B11期36-41,共6页Oil Drilling & Production Technology

基　　金：国家自然科学基金资助(编号:50974128)

摘　　要：在凝析气藏的开发过程中,随着地层压力的不断下降,在地层中会凝析出凝析油,形成气、液两相。只有当凝析油饱和度达到临界流动饱和度后,凝析油才开始流动。所以凝析油临界流动饱和度是反映凝析油流动能力的重要参数,它对凝析油的采收率、气井的产能和稳产期均存在重大影响。因此,凝析油临界流动饱和度一直是国内外研究的热点问题。从实验和理论方面综述了凝析气藏临界流动饱和度的确定方法,并综合分析了临界流动饱和度的影响因素。准确确定凝析油临界流动饱和度对凝析气藏的高效开发具有重要的指导意义。During the process of condensate gas reservoir development,the gas-liquid two phases have formed due to the appear-ance of condensate oil along with the decrease of formation pressure.Condensate oil will not flow until the condensate saturation reaches the critical condensate saturation.Therefore,the critical condensate saturation is a key parameter to reflect condensate flow capacity,it has a significant impact on condensate recovery,gas well productivity and stable production period.Thus,the critical condensate saturation is an important basis to determine a reasonable way of development.Therefore the critical condensate is always a hot issue for domestic and foreign researchers.This paper sums up the determination methods of the critical condensate saturation with respect to the experiment and theory,and comprehensively analyses the factors to the critical condensate saturation.It is important for the highly economic and effective development of a gas condensate reservoir to accurately determine the critical condensate saturation.

关 键 词：凝析气藏 临界流动饱和度 实验 理论 影响因素 

分 类 号：TE122[石油与天然气工程—油气勘探]