| 发明名称 |
APPARATUS AND METHODS FOR TUBULAR MAKEUP INTERLOCK |
| 摘要 |
<p>The present invention provides for an apparatus and methods to prevent an operator from inadvertently dropping a string (210) into a wellbore (180) during assembling and disassembling of tubulars. Additionally, the apparatus and methods can be used to for running in casing, running in wellbore components or for a drill string.</p> |
| 申请公布号 |
WO02092959(A1) |
申请公布日期 |
2002.11.21 |
| 申请号 |
WO2002GB02101 |
申请日期 |
2002.05.08 |
| 申请人 |
WEATHERFORD/LAMB, INC.;HARDING, RICHARD, PATRICK;HAUGEN, DAVID, MICHAEL |
发明人 |
HAUGEN, DAVID, MICHAEL |
| 分类号 |
E21B19/00;E21B19/16;E21B41/00;(IPC1-7):E21B19/10;E21B19/07;E21B19/06 |
主分类号 |
E21B19/00 |
| 代理机构 |
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