摘要
为得到气井不同地层压力下的无阻流量 ,基于气井产能方程通式 ,推导出地层压力与无阻流量的关系式。该公式只需已知气井某地层压力时的产能试井无阻流量及当前地层压力 ,并考虑各地层压力对应的天然气粘度和偏差系数的变化 ,便可以得到当前无阻流量。实例计算表明 ,该方法简便易行 。
In order to gain the open flow potential of gas wells under deferent formation pressure,based on the general gas wells productivity equation,the relation formula between formation pressure and open flow potential deduced.If we have known the open flow potential under some formation pressure when gas wells productivity testing,gas viscosity in deferent performance pressure and the variation led to by its deviation are thought over,the present open flow potential will be gained by the formula.The examples indicate that the method is very simple in operate and the result is reliable.
出处
《油气井测试》
2003年第2期1-2,共2页
Well Testing
关键词
气井
地层压力
无阻流量
产能方程
gas well,formation pressure,open flow capacity,binomial,viscosity,deviation factor
