At present, all the gas well productivity analysis method need to ascertain the absolute openflow potential; thus need a stable test pot.
目前的气井产能分析方法都是确定气井的绝对无阻流量。因而都需要一个稳定的测试点。
2
The tube flow around test provides basis for possibility of great flow field flowing into open channels and its humidity.
管中绕流试验是为解决大流场下流体能否流入敞开的管道以及其流入管中流体的量提供依据。
3
This paper introduced the composition, operational principle and character of ultrasonic flow instrument and explains that this is an effective flowtest instrument for open canal.