操作气动绞车。
司钻通过司钻控制盘(一个由仪表、控制杆、电阻箱和其它气动、液动及电子仪器组成的控制室)操作泵、绞车、转盘等。
The driller operates the pumps, drawworks, and rotary table via the drillers console-a control room of gauges, control levers, rheostats, and other pneumatic, hydraulic and electronic instrumentation.
气动绞车操作者要确认气动绞车钢丝绳和井架不干涉(可以用滑轮导向)，以避免损伤井架的钢结构，特别是指梁。
The air winch Operator shall ensure that the winch wire is moving freely in the derrick (possibly guided by pulleys) to avoid any damage to the steel structure, especially the fingerboard.
气动绞车操作者在慢放钻杆出大门坡道前，要确认猫道上没有钻具和人员。
Winch operator must ensure that the last joint laid down is no longer on the catwalk and that the catwalk is clear of personnel before slowly lowering the pipe out of the V-door.
内变速绞车，气动控制，操作方便；
内变速绞车，气动控制，操作方便；
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