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Study on influence performance relationship for gas-well with producing water
Author(s): 
Pages: 44-46
Year: Issue:  5
Journal: Petrochemical Industry Application

Keyword:  含水气藏产水两相气水两相拟压力无阻流量;
Abstract: 在气藏开发过程中,气井产水是制约其产能的一个重要因素.基于直井井筒周围平面径向渗流原理,考虑井筒附近气体高速非达西流动对气井流入动态的影响,定义气水两相拟压力,推导出了产水气井流入动态计算的二项式产能公式.实例论证表明,气水两相拟压力随压力的增大而增大,但气井产水将会降低气井驱动压力,且随着生产水气体积比的逐渐增大,气井流入动态曲线左移,无阻流量减小.本文研究可以为含水气藏的开发提供一定的指导意义.
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