发明名称 |
Videometric Systems And Methods For Offshore And Oil-Well Drilling |
摘要 |
<p>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 analyse said captured image and to determine therefrom the position of the drill pipe relative to said device.</p> |
申请公布号 |
WO2011135311(A2) |
申请公布日期 |
2011.11.03 |
申请号 |
WO2011GB00666 |
申请日期 |
2011.04.28 |
申请人 |
NATIONAL OILWELL VARCO L.P.;AUSTEFJORD. ARNE;NESSJOEN. PAL JACOB;PARRY, SIMON JAMES |
发明人 |
AUSTEFJORD. ARNE;NESSJOEN. PAL JACOB;PARRY, SIMON JAMES |
分类号 |
E21B19/16 |
主分类号 |
E21B19/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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