| 发明名称 |
HYDROSTATIC TUBULAR LIFTING SYSTEM |
| 摘要 |
In one embodiment, a tubular lifting system for lifting a wellbore tubular includes an outer tubular; an inner tubular disposed in the outer tubular; an annular chamber defined between the inner tubular and the outer tubular; and a tubular piston selectively movable in the annular chamber, wherein the wellbore tubular is connected to the tubular piston and movable thereby. |
| 申请公布号 |
US2014318800(A1) |
申请公布日期 |
2014.10.30 |
| 申请号 |
US201314109701 |
申请日期 |
2013.12.17 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
MOUTON David E.;AMEZAGA Federico;HOLLINGSWORTH Jim |
| 分类号 |
E21B41/00 |
主分类号 |
E21B41/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A tubular lifting system for lifting a wellbore tubular, comprising:
an outer tubular; an inner tubular disposed in the outer tubular; an annular chamber defined between the inner tubular and the outer tubular; and a tubular piston at least partially disposed in the annular chamber and movable relative to the inner tubular, wherein the wellbore tubular is connected to the tubular piston and movable thereby. |
| 地址 |
Houston TX US |
