发明名称 |
A DRILLING SYSTEM AND A DEVICE FOR ASSEMBLING AND DISASSEMBLING PIPE STANDS |
摘要 |
<p>A system for storing one or more tubulars comprises a drilling deck including a hole offset from a wellbore centerline. In addition, the system comprises a rack unit coupled to the drilling deck and extending downward from the hole in the drilling deck. The rack unit comprises a tubular housing having a longitudinal axis, an upper end, and a lower end opposite the upper end. The rack unit also comprises a first rack disposed within the body, wherein the first rack is moveably coupled to the body.</p> |
申请公布号 |
EP2635766(A2) |
申请公布日期 |
2013.09.11 |
申请号 |
EP20110787961 |
申请日期 |
2011.11.02 |
申请人 |
NATIONAL OILWELL VARCO NORWAY AS |
发明人 |
SELZER, PER ANDRE;JOHANSSON, MAGNUS;HAAVIND, ERIK;WEBB, JONATHAN GARRICK;MOEN, TROND WERNER;ABRAHAMSEN, BJORN |
分类号 |
E21B17/01;E21B19/06;E21B19/14;E21B19/16 |
主分类号 |
E21B17/01 |
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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