三项式产能方程在普光气田的应用  

Application of Trinomial Deliverability Equation to Puguang Gasfield

作　　者：王军民[1] 张公社[2] 陆小锋[2] 杨文波[2] 

机构地区：[1]中国石化中原油田井下作业处,河南郑州450052 [2]油气钻采工程湖北省重点实验室.长江大学,湖北荆州434023

出　　处：《天然气技术与经济》2012年第2期36-37,78,共2页Natural Gas Technology and Economy

摘　　要：由于普光气田有些井存在启动压力梯度,而常规的二项式产能方程没有考虑启动压力,因此不能描述气井的真实渗流特征和分析气井产能。为此,对三项式产能方程进行了推导,用三项式代替二项式,建立了考虑启动压力梯度的拟稳态三项式产能方程,并对普光气田进行了产能预测。In Puguang gasfield,there is an initial pressure gradient for some wells.However,the conventional binomial deliverability equation does not take initial pressure into consideration ;simultaneously,it can not describe the real percolation characteristics and analyze the well deliverability.So,this study replaces binomial with trinomial,and establishes a quasi-steady state trinomial deliverability equation to predict the deliverability of Puguang gasfield.

关 键 词：普光气田 三项式 启动压力 产能预测 

分 类 号：TE328[石油与天然气工程—油气田开发工程]