摘要
井底积液现象通常是因为气井的产气流速达不到临界携液流速,导致携液能力不足,无法充分携带出生产中所产生的液体,这种现象会严重影响气井的正常生产,缩短生产周期甚至停产。在页岩气井中使用涡流工具的排水采气系统能够有效的解决气井的积液问题。结合天然气井排水采气中研究涡流工具内部流体流动规律的理论较少的现状,采用流体力学的方法建立了涡流工具的三维模型,并利用Fluent对井筒内流动进行了仿真模拟,通过观察气液两相流状态及流动轨迹,分析了应用涡流工具后页岩气井流场的趋势。
Bottom hole effusion is usually due to the fact that the gas flow rate of the gas well,which does not reach the critical liquid carrying rate.It results in insufficient liquid to bring about the capacity and failure to carry out the liquid produced in the production.This phenomenon will seriously affect the normal production of gas wells and shorten production.The cycle is even discontinued.Drainage gas recovery systems are using vortex tools in shale gas wells,as can effectively solve fluid accumulation problems in gas wells.Combining the theory of the fluid flow inside the vortex tool in gas extraction from gas wells,we have known that a three-dimensional model of the vortex tool was established to be using the fluid mechanics method.The flow in the wellbore was simulated to use the gas-liquid.Two-phase flow conditions and flow trajectories will be analyzed in the flow field of shale gas wells after applying eddy current tools.
作者
陈圆圆
王泰人
CHEN Yuanyuan;WANG Tairen(College of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China)
出处
《中国锰业》
2018年第6期49-52,60,共5页
China Manganese Industry
