English translation for "drillstring"

钻管组钻油台

Related Translations:

drillstring twistoff:  钻柱脱扣

Example Sentences:

	1.	Analysis of longitudinal and torsion vibration of drillstring 钻柱纵向和扭转振动分析
	2.	Dynamics analysis of drillstring failure 钻柱失效的动力学分析
	3.	An application of gap element to the transient dynamics analysis of drillstring 间隙元在钻柱瞬态动力学分析中的应用
	4.	Torque feedback to suppress drillstring torsional vibration in extended reach well 大位移井钻柱扭转振动顶部扭矩负反馈减振研究
	5.	By means of the simulation calculation , varying of the torques on the bit and the drillstring top and the rotary speed of the bit can be predicted 通过仿真计算可预测钻头处阻力扭矩、钻柱顶部扭矩和钻头转速的变化情况。
	6.	By means of the drillstring ' s finite element model and the numerical solution method , and based on the mechanical models of bit / rock interaction , the dynamic models for torsional vibration of cone bits and drillstrings are established 利用钻柱动力学有限元模型的数值计算方法，在考虑了钻头与岩石互作用力学模型的基础上，建立了钻头和钻柱扭转振动动力学仿真模型。
	7.	The result of simulation of model 8 ? 1 / 2 ? xhp2s bit shows that , the torque on the bit changes randomly , and the degree of the change increases with the increase of the weight on bit ; the change of the torque on the upper part of the drillstring is not so large as that on the string ' s lower part , and the rotary speed of the bit changes smoothly overall 对8英寸xhp2s钻头做了仿真，结果表明，钻头处受岩石的阻力扭矩是随机变化的，并有负扭矩出现，扭矩的变化幅值随静钻压的增加而增加；钻柱顶部转盘施加的扭矩变化不如底部剧烈；钻头的转速在局部有较小的波动，其总体变化较为平缓。

Similar Words：

"drillstem test chart" English translation, "drillstem test tool" English translation, "drillstemtest" English translation, "drillstemtestdst" English translation, "drillstock" English translation, "drillstring twistoff" English translation, "drilltest" English translation, "drillthrough" English translation, "drillthrough report" English translation, "drillunit" English translation