发明名称 |
Tubing string with latch system |
摘要 |
A technique facilitates a variety of well services. A tubing string is provided with a latch assembly having a lower latch assembly portion, an upper latch assembly portion, and a latch mandrel. The latch mandrel comprises a weakened region disposed in a housing of the latch assembly. Additionally, a release mechanism may be employed to facilitate release of the upper latch assembly portion from the lower latch assembly portion upon separating the latch mandrel at the weakened region. |
申请公布号 |
US9169699(B2) |
申请公布日期 |
2015.10.27 |
申请号 |
US201213494669 |
申请日期 |
2012.06.12 |
申请人 |
Schlumberger Technology Corporation |
发明人 |
Rytlewski Gary |
分类号 |
E21B17/06;E21B23/02;E21B33/038 |
主分类号 |
E21B17/06 |
代理机构 |
|
代理人 |
Traister Patrick;Clark Brandon;Peterson Jeffrey |
主权项 |
1. A system for use in performing a well service, comprising:
a landing string having a latch assembly, the latch assembly comprising:
a lower latch assembly portion;an upper latch assembly portion selectively engageable with the lower latch assembly portion; anda latch mandrel received in the upper latch assembly, the latch mandrel having a weakened region located within a housing of the upper latch assembly, the weakened region creating a breakpoint which breaks upon application of a predetermined tensile load applied by pulling up on the landing string and the latch mandrel. |
地址 |
Sugar Land TX US |