Standard drilling rod model 标配钻杆型号
Pressure loss in drilling rod 钻杆泵压损失
drilling rod centralizer [地质] 钻杆定心器
drilling rod rotation head 钻杆旋转头
Wireline drilling rod 绳索取心钻杆
Model QW50A Air Operated Slips is a wellhead tools. Mainly used to clipping tubing and drilling rod which raise or put down at well repairing service operation.
QW50A气动卡瓦是油田修井作业时,安装在井口上用于卡紧油管及类似管柱的一种工具。
The structural characters of steel pipe drilling rod, the signification of welding repair for the rods and the narrow gap welding process and equipment are introduced in the paper.
介绍了钻铤钢管的结构特点、焊接修复的意义,以及窄间隙焊接工艺与设备。
The detecting speed is high, the performance is good and the operation is convenient; meanwhile, the requirement to field condition is low and the drilling rod does not need cleaning.
检测速度快,性能好、操作方便,对现场条件要求低,不需要对钻杆进行任何清理。
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