装在井口装置上的自动系统把井控制在间歇流动方式。
An automated system mounted on the wellhead controls the well on an intermittent flow regime.
环形防喷器是井口防喷控制装置的重要组成部件之一。
The annular BOP is the important assembly of the blowout preventer control system.
介绍了可编控制器（LC）制的副井口液压联动装置的控制原理、构及应用效果。
The paper introduces the operating principle, structure and operated result of hydraulic interlocking device with PLC controller for the mouth of Service shaft.
介绍了可编控制器（LC）制的副井口液压联动装置的控制原理、构及应用效果。
The paper introduces the operating principle, structure and operated result of hydraulic interlocking device with PLC controller for the mouth of Service shaft.
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