lower pressure stage的意思|示意

The lower limit of flowing pressure at various oil-gas ratio and water-cut stage in Wenwu Area is calculated using former soviet Craynof's rising theory formula of upright flow of oil and gas.

利用前苏联克雷诺夫的油气垂直管流中的上升理论公式计算了温五区块不同气油比下不同含水阶段自喷流压下限。

At present, large part of oil field has gone into the medium-latter stage, the pressure of oil-gas well has been lower year after year, pouring and producing contradiction change into intensify.

目前大部分陆上油田已进入中后期开发阶段，油气井压力逐年降低，注采矛盾日益突出。

After almost 20 years of development, lower Interval of Du66 block has come to a later stage of steam stimulation, with the formation pressure lower and the steam stimulation effects poorer.

经过近20年的蒸汽吞吐开发，杜66块下层系目前已进入吞吐开发后期，地层压力低，吞吐开发效果差。