发明授权
US09464492B2 Videometric systems and methods for offshore and oil-well drilling 有权
海上和油井钻探的视频测量系统和方法

Videometric systems and methods for offshore and oil-well drilling
摘要:
A system is disclosed for determining the position of a downhole drill pipe relative to a pipe handling device. The system comprises: an imaging means arranged to capture an image of the drill pipe in a region of the pipe for engagement by the device; and a processor operable to analyze said captured image and to determine therefrom the position of the drill pipe relative to said device.
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