致密气井出水类型分析及其对生产的影响  

Analysis of the type of water outlet of tight gas well and its effect on production

作　　者：吴则鑫 Wu Zexin(Geology Institute,CNPC Greatwall Drilling Company Ltd.,Panjin 124010,China)

机构地区：[1]中石油长城钻探工程公司地质研究院,辽宁盘锦124010

出　　处：《石化技术》2018年第8期46-46,32,共2页Petrochemical Industry Technology

摘　　要：苏里格气田的成藏模式决定了气藏中气水的赋存状态及存在形式,气井出水的类型和出水量大小直接影响了气井产能和储量采出程度。本文从气井出水类型入手,气井出水主要类型有凝析水、地层水等,同时对比出水井与不出水井生产效果,出水井产能随水气比的增大成比例减小,递减率加大,最终产气量和采收率均不同程度减小。Hydrocarbon accumulation pattern determines the occurrence state of gas and water,water production type and water yield directly affect gas well productivity and reserve recovery factor.Water production type contains condensation water,formation water,and desalting formation water,and through comparing the effect of Wells,gas well productivity is proportional to the decrease as water-gas ratio increases,decline rate increased,and recovery factor and ultimate capacity are reduced.

关 键 词：致密气 气井 出水类型 采收率 

分 类 号：TE37[石油与天然气工程—油气田开发工程]