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continuous circulation valve—CCV
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continuous circulation valve—CCV
Encyclopedia
工学
控压钻井
释
continuous circulation valve—CCV
阀式连续循环钻井系统
地面控制系统与接在钻杆上的连续循环阀联合作用,实现在接单根期间钻井液循环通道的切换,进而保持井下钻井液连续循环的特殊钻井作业设备组合。
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Runestone
Runge
Runge domain
Runge Kutta Fehlberg method
Runge-Kutta-Fehlberg method
Runge-Kutta-Felhberg method
Runge-Kutta-Gill method
Runge Kutta method
Runge-Kutta method
Runge method
Runge pair
Runge phenomenon
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