摘要
井筒内的天然气都是由多种气体组成的混和天然气 ,由于气体各组分的分子量不同 ,会在重力场作用下发生重力分异 ,从而使井筒内混和气体的性质与单一气体有很大差异。但在以往的静气柱压力计算方法中并未对混和天然气体在井筒内性质进行深入研究 ,从而大大缩小了静气柱压力计算方法的应用范围。文中将对混和天然气体静气柱压力计算方法进行研究 。
Natural gas in wellbore is a mixed gas consisting of various gas.Due to molecular weight of all kinds of gas is different,they will occur gravity segregation under the action of gravity field.As a result,the property of mixed gas in wellbore has great discrepancy in comparison with unitary gas.The paper studies the calculation method of static gas column pressure on mixed gas,and discusses the properties of mixed gas in wellbore.
出处
《钻采工艺》
CAS
2004年第1期20-23,共4页
Drilling & Production Technology
