发明名称 Fast moving drilling rig
摘要 A method and apparatus for transporting and assembling a drilling rig is disclosed. The drilling rig of a preferred embodiment of the present invention utilizes specialized positioning pads integral to the side boxes of the drilling rig to facilitate the connection of the center drill floor of the drilling rig to the side boxes of the rig. A preferred embodiment of the present invention may also utilize a specialized positioning dolly and an adjustable fifth-wheel truck connection for transporting the mast to the drill site, assembling the mast sections together, and positioning the mast for connection to the drill floor of the rig. The result is a unique drilling rig design and sequence for assembly that significantly reduces the time required to transport the rig from location to location and to assemble the rig at the drill site.
申请公布号 US2004211598(A1) 申请公布日期 2004.10.28
申请号 US20040827956 申请日期 2004.04.20
申请人 NATIONAL OILWELL INC. 发明人 PALIDIS ANASTASIOS
分类号 E21B15/00;(IPC1-7):E21B19/08 主分类号 E21B15/00
代理机构 代理人
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