pressure build-up curve 压力恢复曲线
concave pressure build-up curve 凹型压力恢复曲线
build-up pressure curve 压力恢复曲线
Using Lasels analysis method of afterflow for reference, pressure build up curve of shut in well is linearized and rheological parameter is calculated.
借鉴拉塞尔的续流分析方法，将焖井恢复压力曲线线性化并计算出流变参数；
Based on these, the new method that pressure build-up curve associated with pressure fall-off curve to determining the productivity of gas well is proposed.
在此基础上提出了用不稳定试井资料确定气井产能的新方法，即用压力恢复曲线法与压降曲线法相结合确定气井产能的新方法。
The first and second derivative plates of concave pressure build-up curve are presented in this paper.
本文提出了凹型压力恢复曲线的一阶导数图版和二阶导数图版。
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