| 发明名称 |
SECTION OF A RISER PROVIDED WITH AN INNER LOCKING RING AND A MEANS FOR ADJUSTING PLAY BETWEEN THE AUXILIARY TUBE ELEMENTS AND THE MAIN TUBE ELEMENTS |
| 摘要 |
The invention also relates to a riser consisting of several sections (4) and to the use of the riser for carrying out an offshore drilling operation. |
| 申请公布号 |
EP3140493(A1) |
申请公布日期 |
2017.03.15 |
| 申请号 |
EP20150715761 |
申请日期 |
2015.04.16 |
| 申请人 |
IFP Énergies nouvelles |
发明人 |
PERSENT, Emmanuel;SAEEDI, Navid;PAPON, Gerard |
| 分类号 |
E21B17/08 |
主分类号 |
E21B17/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
