We are considering a machine tool joint venture of moderate scale.
我们正在考虑建立一个中等规模的生产机床的合资企业。
This procedure is repeated whenever a tool joint must pass by a ram BOP.
当工具接头需要通过闸板型防喷器时，就必须不断地重复上述步骤。
We manufacture the tool joint, make the seal test and make-and-break test.
根据零件图试制双台肩钻具接头，对其进行上卸扣试验和水压密封测试。
The torsional strength of the drilling tools can be greatly increased by using the double shoulder tool joint.
双台肩钻具接头可大幅度提高钻具的抗扭强度。
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。
Since a bending force is exerted on the pipe during break out, the tool joint connection must be set in the slips as low as possible.
由于卸扣会使钻具产生弯曲力，因此，钻具接头必须尽可能低些坐在卡瓦上。
The effect of tool joint must be considered in analysis of drillstring strength to reduce drillstring failure and keep safety in drilling process.
在计算钻柱强度时，应考虑接头对钻杆弯曲应力的影响，以实现安全钻井。
Due to the increasing number of deep Wells and directional Wells being drilled, longitudinal fracture occurred on the box-ended drill pipe tool joint is often reported.
近年来由于深井、定向井等逐渐增多，油气井钻井中钻杆内螺纹接头纵向开裂失效成为常发事故。
This article proves that rolling operation can largely enhance fatigue strength through the research on the cold rolling operation of thread root of the drilling tool joint.
通过石油井下钻具接头螺纹冷滚压工艺的研究可以证明冷滚压可大大地提高接头的疲劳强度。
This article proves that rolling operation can largely enhance fatigue strength through the research on the cold rolling operation of thread root of the drilling tool joint.
通过石油井下钻具接头螺纹冷滚压工艺的研究可以证明冷滚压可大大地提高接头的疲劳强度。
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