gas well productivity

The gas well productivity prediction is a very important task in gas reservoir engineering research, being an important component part of gas field development planning and disposition, development plan design, development performance analysis, gas well proration and development plan adjustment.

气井产能预测是气藏工程研究中一项非常重要的工作和任务，它是编制气田开发规划部署、进行开发方案设计、开发动态分析、气井配产及开发方案调整的重要内容。

New method of establishment of gas well productivity equation and reservoir pressure calculation

建立气井产能方程及计算地层压力的新方法

Application of material balance method in coalbed gas well productivity forecast

物质平衡法在煤层气井产能预测中的应用

Optimization of Rational Gas Well Productivity without Well Testing Data

无测试资料条件下气井合理产能优化研究

Therefore, steady productivity binomial equation can be applied in gas well productivity evaluation in compound formation, in which permeability in outer zone is much higher than inner one.

通过分析证明，稳定产能方法适用于外区渗透性高于内区渗透率的复合地层中气井产能评价，而对于外区渗透性变差的气井，用稳定产能方法很难指导现场气井生产。

Gas well productivity equation can show the relationship between flow pressure and production directly.

水平井产能试井主要是求取产能方程和绝对无阻流量,优选生产油嘴.

Based on the research of gas well productivity and threshold pressure gradient at home and abroad, forecasting model of gas well productivity is optimized using field document.

在充分调研国内外气井产能和气藏启动压力梯度的研究现状的基础上，利用现场资料，对气井产能预测模型进行优选。