| 发明名称 |
A METHOD FOR FACILITATING CONSTRUCTION OF A DRILLING RIG |
| 摘要 |
<p num="1"><br/> A method for facilitating construction of a drilling <br/>rig, wherein a drawworks (60) is carried on movement <br/>apparatus (V,F) on ground adjacent a drill floor (78) of a <br/>drilling rig structure, the drilling rig structure having <br/>a substructure (76) having a raising apparatus (79a), the <br/>drill floor (78) having an interior open space (78s) the <br/>method comprising the steps of moving the drawworks (60) <br/>into the interior open space (78s) of the drill floor (78) <br/>on the movement apparatus (V,F), and connecting the <br/>drawworks (60) to the drill floor (78).<br/>
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| 申请公布号 |
CA2805016(A1) |
申请公布日期 |
2009.09.03 |
| 申请号 |
CA20092805016 |
申请日期 |
2009.02.02 |
| 申请人 |
NATIONAL OILWELL VARCO, L.P. |
发明人 |
DONNALLY, ROBERT BENJAMIN;REN, CHUNQIAO;MCCURDY, STUART ARTHUR LYALL;LIU, XILIN;SHENG, HUI CHUN;YU, YAN |
| 分类号 |
E21B7/02 |
主分类号 |
E21B7/02 |
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