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    • 49. 发明授权
    • Underwater drilling arrangement and method for making a bore
    • 水下钻孔布置及其制作方法
    • US09140068B2
    • 2015-09-22
    • US13592319
    • 2012-08-22
    • Thomas BauerStefan Michael Finkenzeller
    • Thomas BauerStefan Michael Finkenzeller
    • E21B7/132E21B7/124E21B21/12
    • E21B7/124E21B21/12
    • An underwater drilling arrangement for marking a bore in a bed of a lake, sea or river with a service platform which can be lowered for placing on the lake, sea or river bed, a drill drive which is mounted so that it is axially displaceable on the service platform, and a drill rod with drill head which can be driven in rotation via the drill drive. A conveying channel is formed in the drill rod, through which a conveying fluid together with excavated drill cuttings can be conveyed upwards, and a discharge opening for the conveying fluid together with the excavated drill cuttings is provided, via which the conveying fluid can be discharged underwater together with the excavated drill cuttings above the drill drive.
    • 一种用于在湖泊,海域或河床上标记钻孔的水下钻井装置,其具有能够放置在湖泊,海域或河床上的服务平台,安装成使其能够轴向移位的钻孔驱动器 服务平台和钻头,钻头可以通过钻头驱动器旋转驱动。 输送通道形成在钻杆中,输送流体与挖掘的钻屑一起可以向上输送,并且提供用于输送流体的排出开口与挖掘的钻屑一起,输送流体可以通过该排出口排出 水下与钻机上方的挖掘钻屑一起。