提出一种确定石油钻井井架结构屈曲荷载的动态评估方法。
In this paper, a dynamic evaluative method is provided to define the buckling load of oilfield derrick.
钻井井架作为钻机系统设备中的关键部分，其力学性能直接关系到整套钻机系统的安全生产。
Drilling mast being as the key part of drilling equipment, its mechanical behavior is closely related to the safety of the operating drilling system.
在它上面，近海井架q 4000同其他3艘船只装了50000桶非常重的钻井泥浆，可以提供30000马的马力将泥浆压进油井。
Above it the Q4000 rig and three attendant vessels have 50, 000 barrels of peculiarly heavy drilling mud and pumps capable of providing 30, 000 horsepower with which to muscle that mud into the well.
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