如果钻杆丝扣生锈，必须清除掉。
If the drill pipe threads become rusty, rust will have to be cleaned.
用于连接转盘和方钻杆的适配器。
An adapter that serves to connect the rotary table to the kelly.
滚丝轮螺纹和钻杆螺纹的螺旋角有误差。
Secondly there is error between the thread roll angles of thread rolling die and drill rod.
不允许在放有钻杆的大门坡道下边通行。
不许在井架上排放用不着的钻杆和钻铤。
Do not leave pipe or collars that are not in use standing in mast or derrick.
不答应从高处往下跳，如钻杆架、锚道等。
Do not jump from elevations, such as pipe racks, cat-walks, etc.
昨天我们决定后天去机厂修理方钻杆旋扣器。
Yesterday we decided that we should go to machine shop to repair the kelly spinner the day after tomorrow.
然后通过钻杆和钻孔壁之间的间隙返回至地表。
And returns to the surface in the space between the drill pipe and the wall of the borehole.
我们采用的控制方法是让泥浆顺着钻杆向下循环。
And we control it by means of the mud which we circulate down the drill pipe.
采用新型的盘式钻杆库，保证了钻机的钻孔深度。
Novel panel rod stand ensures drilling machine to achieve requested hole depth.
石油钻杆可分为内加厚、外加厚和内外加厚三种类型。
Drill pipes can be divided into three types: IU, EU and IEU.
分析了连续管钻杆弯曲状态的各种影响因素及影响程度。
The affecting factors and degrees on the bending of coiled tubing drill pipe are analyzed.
有些井刚钻完并进行完井作业后，就立即采取钻杆测试。
Drill stem tests are taken from some Wells almost immediately after drilling and completion operations.
WSP总部位于江苏，主要生产油气勘探行业所用的套管、油管和钻杆。
Based in Jiangsu province, the company makes casing, tubing and drill pipes for the oil - and natural-gas-exploration industry.
介绍了铝合金钻杆的结构特点和材料特性，分析了其适用范围。
This paper introduces feature and material characteristic of aluminum drill pipe and analyzes its application.
给大钳装上与钻杆接头或钻铤相匹配的钳头，再装上安全锁簧。
Fit the rig tongs with the correct jaws for the drill pipe tool joint or the drill collar. Re-install the safety lock springs.
在装钻杆刮泥器之前，可以先用简易的刮泥器刮钻杆上的泥浆。
Before drill pipe wipes are installed, a tie-back rubber can be used to wipe the pipe.
当司钻正在上卸钻杆和钻铤时，内外钳工不要站在两个大钳之间。
Lead and backup tong-men should not stand between the two pipe tongs while the driller is making up or breaking out pipe or collars.
这种压力必须加以控制，我们让泥桨顺着钻杆向下循环，用这种方法来控制压力。
This pressure must be under control, and we control it by means of the mud which we circulate down the drill pipe.
它是个上端为钻杆母扣或者由壬，下端为套管公扣，内空心的转换接头。
Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.
通过对钻杆失效问题的深入调查和分析，找出引起钻杆失效的主要原因。
Through the deep investigation and analysis of the drilling pipe failure, the main factors causing drilling pipe failure are found out.
通过采用合适的对策，有效预防钻杆失效，从而保证钻杆的质量可靠性。
Then, the adoption of appropriate countermeasures has effectively prevented the failure of drilling pipe, thus guaranteeing the reliability of drilling pipe quality.
方钻杆补心的内径通常与方钻杆的外径（通常是四方钻杆或六方钻杆）相匹配。
The kelly bushing (KB) has an inside diameter profile that matches that of the kelly, usually square or hexagonal.
扩孔器远侧与钻杆相连，当预扩孔作业完成后，可以将扩孔器从近侧拖回到远侧。
Drill pipe is attached to the far side of the reamer so that it can be pulled back from the near side, once the pre-reaming operation is complete.
根据钻杆的结构特点，设计了探头距离可调的适用于圆钻杆和方钻杆的探测小车。
According to the drillpipe structural characteristics, a dolly appropriate for drillpipe and Kelly detection is designed, of which its probe is adjustable.
这种压力必须加以控制，我们让泥桨顺着钻杆向下循环，用这种方法来控制压力。 。
This pressure must be under control, and we control it by means of the mud which wecirculate down the drill pipe.
这种压力必须加以控制，我们让泥桨顺着钻杆向下循环，用这种方法来控制压力。 。
This pressure must be under control, and we control it by means of the mud which wecirculate down the drill pipe.
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