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- PCTH tested valve has the function of being open state constantly and that keeping on open after annulus pressure relived out makes it much handy and be liable to be used. PCTH测试阀可实现持开的功能,环空泄压后仍能保持开启状态,使用起来更加方便、灵活。
- Many pressure dominated testing valve is through pumping of relieving annulus pressure to realize open or shut down hole test valve and keep annulus pressure for certain all the time. 许多种压控测试阀均是通过环空加泵压打开,泄掉泵压关闭,开井过程中环空始终保持一定的开启压力。
- Design Optimization of Pressure Transmission System of Annulus Pressure Firing Perforated String 环空加压引爆射孔管柱传压系统的改进设计
- Bottom-Hole Ejector for Elimination of Annulus Pressure Increase and Submersible Electric Pump Delivery Stripping 预防管外压力升高和电动离心装置供油中断的油井喷射器
- Hole Cleaning Detecting Method for Extended Reach Wells by Monitoring Annulus Pressure Change 大位移井井眼清洁监测技术
- Influence of Pressure Released Vent and Powder Loading of Composed Perforator on Dynamic Casing Annulus Pressure 复合射孔枪泄压孔及装药量对环空动态压力的影响研究
- Keywords extended-reach well;borehole uncleanness;early identification;downhole annulus pressure; 大位移井;井眼不清洁;早期识别;井下环空压力;
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- What's the atmospheric pressure today? 今天的气压怎么样？
- The water pressure may need adjusting. 水压可能需要调整。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严，所以他退学了。
- It took a bit of pressure to make the lid close. 要稍按一下才能把盖子盖紧。
- It was done under the pressure of the necessity. 这件事是在迫切需要的情况下而做的。
- At high pressure dry ice will melt. 高压下干冰会溶化。
- The gas is stored under pressure in the tank. 该气体在压缩状态下贮存于罐中。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
