旋流排水采气技术研究

Research on Vortex Drainage Gas Recovery Technology

随着大港油田气藏不断开发,含水逐渐增高,产水量多,易出现井底积水,为提高气井排水采气效果,最大限度提高气层采收率,研制了旋流排水采气技术。且利用钢丝下入一支或多支无运动件的井下旋流工具,通过井下旋流工具改变流体介质流动的运动方式,增加气体携水量。该技术具有一次投入费用低,无需日常管理和后期再投入,耐磨性好,使用周期长,有效延长采气周期以及操作简便的特点。

With the development of gas reservoir in dagang oilfield,water content gradually increased,and big water rate is much prone to bottom water. In order to improve the effect of gas drainage gas recovery,maximize gas recovery factor,vortex drainage gas recovery technology is developed. It uses the wire to lower down one or more downhole vortex tools without moving parts,changing fluid flow movement way by downhole hydrocyclone tool,increasing the gas with water. The technology has features of low cost for once time of investment,no need for daily management and later into,good abrasion resistance,long used cycle,effective extension of the gas extraction cycles and simple operation.