Gaseous Z-factor is key data that is used to calculate the reserves of gas reservoir we can generally make certain Z-factor by Z-factor charts experience methods and experimentation .

地层 条件 下气体的 偏差 系数是用来计算气藏储量的关键数据，通常使用图版法、经验公式法和实验法进行确定。

The study of gaseous Z-factor ascertaining method of deep layer and ultrahigh pressure gas reservoir

深层超高压气藏气体 偏差 系数确定方法研究

And discussed the methods and processes for correcting the systematic critical parameters due to the influence of the CO_2 and H_2S when calculating the Z-factor ; finally the different results from different methods were contrasted and analyzed .

并针对 酸性 天然 气 压缩 因子计算时由于H2S和CO2的影响、校正体系 拟临界参数的方法和思路作了相关论述，并进行了实例对比分析。

This phase change will influence deliverability of condensate gas well in two respects : First relative density of fluid in gas phase will lower resulting in relevant changes of its viscosity and Z-factor .

这种相态变化对凝析气井产能存在两方面的影响：一是气相流体相对密度降低，其粘度、 偏差 因子等也随之发生变化；

Contrasting and analyzing the utility arithmetic for calculating the Z-factor of sour gas

酸性天然气 压缩 因子实用算法对比分析