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.
半潜式钻井平台是深海石油勘探开发的关键设备，而双井架钻机已逐渐成为第六代深水半潜式平台的主流配置。
Semi-submersible drilling platform is key equipment for deep water exploitation and dual derrick RIGS has been main platform of 6th semi-submersible drilling platform.
位于重型井架或桅架式井架顶部的固定的滑轮组（称之为滑车轮槽轮），通过该滑轮组钻井钢丝绳进行穿绳。
The fixed set of pulleys (called sheaves) located at the top of the derrick or mast, over which the drilling line is threaded.
对在用钻机井架的可靠性进行鉴定是保证钻井作业安全的一项重要工作。
Making reliability appraisal for the on-site rig derrick is an important work to ensure salty in drilling.
桅架的重量较常规井架要大，因此海洋钻井中不常使用，因为海洋钻井时比陆地作业时更关注重量。
They suffer from being heavier than conventional derricks and consequently are not usually found in offshore environments, where weight is more of a concern than in land operations.
桅架的重量较常规井架要大，因此海洋钻井中不常使用，因为海洋钻井时比陆地作业时更关注重量。
They suffer from being heavier than conventional derricks and consequently are not usually found in offshore environments, where weight is more of a concern than in land operations.
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