If the drill pipe threads become rusty, rust will have to be cleaned.
如果钻杆丝扣生锈，必须清除掉。
And we control it by means of the mud which we circulate down the drill pipe.
我们采用的控制方法是让泥浆顺着钻杆向下循环。
Before drill pipe wipes are installed, a tie-back rubber can be used to wipe the pipe.
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。
The longer the single drill pipe, the lesser the critical compressive force of drill stem.
钻杆的单根长度越长，钻柱所能承受的临界载荷越小。
The affecting factors and degrees on the bending of coiled tubing drill pipe are analyzed.
分析了连续管钻杆弯曲状态的各种影响因素及影响程度。
And returns to the surface in the space between the drill pipe and the wall of the borehole.
然后通过钻杆和钻孔壁之间的间隙返回至地表。
In drilling engineering, drill pipe often sticks in salt formation because of wellbore shrinkage.
在钻井工程中，盐岩层井眼易发生缩径卡钻。
Among oil well drilling equipment and tooling, the high - strength drill pipe plays a very critical role.
高强度石油钻杆在钻井设备和工具中占有十分重要的地位。
The intelligent drill pipe samples whose internal pipes expanded successfully have the excellent insulation.
经内管膨胀贴合成功的智能钻杆样件的绝缘性能良好。
This pressure must be under control, and we control it by means of the mud which we circulate 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。
Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.
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。
The design of non-dig drill pipe end-upsetting product line autocontrol system were introduced in this paper.
介绍了非开挖钻杆管端加厚生产线自动控制系统的设计。
The company will pump warm water down the drill pipe connected to the device to prevent crystals from forming.
该公司将顺着钻油管抽入温水以防止形成结块。
This paper introduces feature and material characteristic of aluminum drill pipe and analyzes its application.
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 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。 。
US will investigate charges that Chinese companies are selling oil well drill pipe in the US at unfairly low prices.
中国油井钻杆再遭美方调查，称中国以低价进行不公平竞争。
We can provide various types of drill pipe joints as customer's demand. All mechanical properties are beyond API standard.
我公司可按用户的要求提供各种型号的钻杆接头。各项力学性能均完全超过API标准要求。
Power Tongs and Torque Turns Load Cells: Designed for use in power tongs or drill pipe make-up and break-out applications.
动力钳和自动旋紧管箍机的载荷压力传感器：设计用在动力钳或钻杆的组装和拆卸应用中。
The S135 drill pipe steel was selected as the research object in the paper; the oxygen corrosion and corrosion fatigue be.
本文选用S135钻杆钢作为研究对象，进行钻杆钢的氧腐蚀和腐蚀疲劳行为研究。
The box taps is a special external tool cutting thread and fishing externally from dropped object such as tubing, drill pipe.
母锥是一种专门从油管、钻杆等管状落物外壁进行造扣打捞的工具。
Fit the rig tongs with the correct jaws for the drill pipe tool joint or the drill collar. Re-install the safety lock springs.
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。
Therefore area array CCD is adopted for the non-contact measurement of the diameter of the abrading section of the drill pipe.
鉴于此，采用面阵CCD对钻杆受磨损部位的直径进行非接触式测量。
Piling steel pipe, also known as drill pipe, is transcribed, or strip steel plate riveted through the coil after forming the pipes lead.
是用誊写钢版或者带钢通过卷曲成型后铆接酿成的钢管。
The on-site tests of 5 wells showed that the stiffness of lower drill pipe assembly was increased to control deviation in the straight hole.
经现场5口井试验表明，不弯曲钻铤能够起到增大下部钻具组合刚度，控制直井段井斜的作用；
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.
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。
Research shows that fatigue life of drill pipe was influenced by the geometric shape in intermediate belt formed during the end upsetting process.
研究表明，在钻杆管端加厚过程中所形成的内加厚过渡带的形状对钻杆的使用寿命有显著影响。
Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pipe.
整体螺旋加重钻杆是在整体加重钻杆的中间加厚部位延长并铣削螺旋槽。
Unclosed magnetic curve is be build by simulation data of different specification drill pipe, which be used a rule to select optimum magnetization region.
应用不同规格钻杆的仿真数据，建立不同规格钻杆的不同开路磁化曲线，并以此作为最佳磁化强度的选择依据。
Unclosed magnetic curve is be build by simulation data of different specification drill pipe, which be used a rule to select optimum magnetization region.
应用不同规格钻杆的仿真数据，建立不同规格钻杆的不同开路磁化曲线，并以此作为最佳磁化强度的选择依据。
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