Several calculation cases proved the flow rules of gas resulted from formation pressure and well-head pressure.
对几口井数据的数值模拟结果验证了地层温度与井口压力对井筒气体流动参数的影响规律。
Engineers had spent days pumping heavy drilling fluid into the leaking well head on the ocean floor in a high-pressure bid to smother the gushing crude and ultimately seal the well with cement.
工程师们数日来一直向海底的泄漏油井泵入大量的钻探泥浆，希望用高压堵住喷涌的原油，最后用水泥封死油井。
The device that is attached to the blowout preventers during a frac job. Fluid and propping agent are pumped under pressure into the frac head and down the well.
在压裂作业期间装在防喷器上的装置。压裂液和支撑剂在压力下被泵入压裂头，并沿井向下流动。
Practice proved that adding chemicals not only decreases the viscosity of crude but also the back pressure of well head decreased.
实践证明，掺污水加药既可以降低原油粘度，又可以有效地降低井口回压。
For high well head pressure, the operation of conventional adding sand fracture treatment tech can not fulfilled.
由于施工井口压力高，常规加砂压裂工艺无法实施作业。
The monitor can automatically measure the annular liquid level changes at well head, and then calculate the bottom hole pressure.
该仪器能够从井口自动监测抽油井内环空液面深度变化，通过分析计算获得井下压力的恢复情况。
Analysis result of high productivity gas Wells in Luojiazhai shows temperature effect of well bore as the key factor affecting well head pressure.
罗家寨高产气井测试分析结果认为井筒的温度效应是影响井口压力的关键因素。
When monitoring formation pressure by read-out electronic gauge, it is a technical problem to settle that the sealing condition of signal line at well head is not good.
在用直读式电子压力计监测地层压力时，信号电缆线在井口的密封不良，一直是个难以解决的技术问题。
The injection Wells, pipe network and injection plant in the injection system should be reformed and adjusted and made differential pressure at well head reduce.
建议对注水系统的注水井、管网、注水站均进行改造，综合调整，降低井口压差。
The influence of water temperature on water head height becomes bigger as the well depth increases. The pressure at the well bottom has to be measured by instruments in the well.
随着井深增加，水温对水头高度的影响越来越大，需要采用下井仪器测量井底压力。
It is made up of generating system of super high-pressure, system of two-dimensional CNC working platform and cutting head, as well as control system.
该切割机是一台经济型数控水射流切割机床，主要包括超高压水射流发生系统、二维数控工作台及切割头系统和控制系统。
The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.
研制的简易酸化井口装置由保护法兰、过渡短节、卡箍、闸阀、三通和抗振压力表等组成。
Aided with computer, the intelligent well control system monitors and the real-time controls are used to control back pressure of the drilling well head.
智能井控系统是应用计算机对钻井井口回压进行监测和实时控制并采用计算机电液比例控制的系统。
Aided with computer, the intelligent well control system monitors and the real-time controls are used to control back pressure of the drilling well head.
智能井控系统是应用计算机对钻井井口回压进行监测和实时控制并采用计算机电液比例控制的系统。
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