The cover, the vertical pressure meter, the valve position opening scale, the pressuregauge, the oilpressuregauge and so on.
套、立压表、阀位开度表、气压表、油压表等组件组成。 还有气动压力和阀位变送器。
2
By statistic and analysis for well testing data measured by electric pressuregauge formerly, it is found that formation temperature data is very important for oil testing procedure.