...欠压值 压井 强行完井 [gap=1695] Carbonate reservoir, Underbalance pressure drilling, Displacement mud loss, Negative pressure value, Well killing, Forced completion ..
基于6个网页-相关网页
当电池电压下降到预定的欠压值时，能自动侦测，同时停止输出。
The controller continuously detects the voltage of the battery and switches off the power output when battery voltage is lower than a specified value.
该继电器的设计思想是将过压继电器和欠压继电器集成到一起，并且实时显示所测电压值，能修改电压的上、下限。
The low-voltage relay and the excess voltage relay are integrated into one relay, which can display the real time of the voltage of the circuit and the limit of voltage can be modified.
井底负压值控制是欠平衡钻井技术的基础，而井底负压值的大小与环空多相流的有关压力计算有关。
The under-balanced drilling technology is based on how to control the bottom negative pressure which is related to the pressure computation of multiphase flow in annulus .
应用推荐