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浮式海洋石油钻井装置是指在海上浮动(包括升沉、摇摆和平移的综合运动)条件下进行石油钻井作业的装置。目前主要系指半潜式石油钻井船、钻井浮船和钻井驳船。它们均必须配备钻井水下设备才能进行海上石油钻井作业。鉴于钻井水下设备(包括钻柱运动补偿器)每套的价格比海洋石油钻机(包括泥浆泵和柴油发电设备)每套价格高出70～100%,研究选择其配套动态和趋势
Floating offshore oil rig refers to the installation of oil drilling operations under the conditions of floating at sea (including the combined movement of heave, rocking and translation). Currently mainly refers to semi-submersible oil drilling rigs, drilling pontoons and drilling barges. They must all be equipped with drilling subsea equipment for offshore oil drilling operations. Given that the cost of each set of drilling subsea equipment (including the drill string motion compensator) is 70-100% higher than the price per set for offshore oil drilling rigs (including mud pumps and diesel power generation equipment), the study chose its supporting dynamics and trends