Eleven mare modes of tool joint failures are summarized.
综述了石油钻杆接头失效的十一种主要形式.
That pipe thread is bad. Use another one instead.
那个钻杆的丝扣坏了, 换另外一根.
A systematic pressure transient analysis method for mini - DSTs is also introduced.
本文还介绍了微型钻杆测试系统压力瞬时分析方法.
Ensure that tongs, which are not back at the sidethe floor.
钻杆卸扣时,确保钳牙咬在接头上, 不要咬在耐磨层或台肩部位.
The sealing property is one of the main indicators of kelly stopcock.
密封性能是方钻杆旋塞阀主要指标之一.
Pick up the drill pipes cat walk [ ramp ] .
把这几根钻杆拉到 坡道 上.
Tail the drill pipe with rope as It'swings through the V - door.
因为钻杆经过井架大门坡道时来回摆动,要在钻杆上拴上尾绳.
Retrieve the running tool and the string.
收回下入工具及钻杆.
Drill pipes get rusty in air almost as fast as they do in water.
钻杆在空气中生锈的速度和在水中几乎一样快.
Simulations are provided to show the effect of increasing drillpipe rotation on the safe drilling window.
大位移井模拟能够展示钻杆自转速度增加对安全钻井窗口的影响.
The basic principle and the method of oil drill pipe end upsetting process were presented.
介绍了石油钻杆端部镦锻加厚工艺基本原理及加厚方式.
In drilling exploration and well drilling Industry, the drilling pipe and drill collar are key apparatus.
钻杆和钻铤等管状螺纹连接件,是钻探和石油钻井工业中的关键设备.
The causes of the wearable zone dropout were analyzed by the metallography analysis and SEM.
采用金相分析和扫描电镜分析方法,分析了钻杆接头喷焊耐磨带脱落原因.
Wall thickness, length, thread of flat drill rods can be made according to your requirements.
外平钻杆的壁厚, 长度, 螺纹可按客户要求配置.
Before and after operation, count the drill pipe pipe rack to verify tally figures.
操作前后, 数一下钻杆架上的钻杆数量,和钻杆记录表核实.