| 发明名称 | Fill up tool | ||
| 摘要 | A fill up tool includes a mandrel; a primary sealing member disposed around the mandrel; and a selectively operable secondary sealing member activated by rotation of the mandrel. In another embodiment, the selectively operable secondary sealing member is activated using hydraulic pressure. | ||
| 申请公布号 | US8833471(B2) | 申请公布日期 | 2014.09.16 |
| 申请号 | US201113206313 | 申请日期 | 2011.08.09 |
| 申请人 | Weatherford/Lamb, Inc. | 发明人 | Wiens Jimmy Duane;Gutsu Yury P.;Thomas Benson;Heidecke Karsten;Hollingsworth Jim;Boutwell, Jr. Doyle Fredric;Stephens Rodney;Thompson Russell W.;Zimmerman Patrick James |
| 分类号 | E21B19/18;E21B21/00;E21B21/08;E21B23/06 | 主分类号 | E21B19/18 |
| 代理机构 | Patterson & Sheridan, L.L.P. | 代理人 | Patterson & Sheridan, L.L.P. |
| 主权项 | 1. A fill up tool, comprising: a mandrel; a primary sealing member disposed on the mandrel; and a selectively operable secondary sealing member activatable by rotation of the mandrel. | ||
| 地址 | Houston TX US | ||