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1. 发明授权

US3633767A Pipe-racking apparatus for oil well derricks or the like 失效
标题翻译：油桶。。。。。。。。。。。。。
公开(公告)号：US3633767A
公开(公告)日：1972-01-11
申请号：US3633767D
申请日：1969-08-12
申请人： DRESSER IND
发明人： MITCHELL JOSEPH A , DYER NORMAN D
IPC分类号： E21B19/14
CPC分类号： E21B19/14
摘要： The pipe-racking apparatus disclosed in detail hereinafter is intended for use in a derrick during the drilling of oil and gas wells or the like. During trips into and out of the wellbore, drill pipe is removed or added in the form of stands made up of a plurality of short pipe sections. This pipe-racking apparatus includes a transfer arm that consists of a pantograph mechanism carrying a pipe engaging and supporting member. The transfer arm is movable on tracks whereby the stands of pipe can be moved in the vertical position between the pipe-racking area and the centerline of the wellbore.
摘要翻译：以下详细公开的管道装置在钻井油气井等期间用于井架。进入和离开井筒的行程中，钻具被拆除或以多个短管段构成的立柱的形式加入。该排管装置包括由承载管接合和支撑构件的缩放机构组成的传送臂。传送臂可在轨道上移动，由此管道的支架可以在管道区域和井眼的中心线之间的垂直位置移动。

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