| 发明名称 |
PLUG-ACTUATED SUB |
| 摘要 |
A plug-actuated sub can include a housing disposed in the wellbore tubular and a plug seat located inside the housing. The plug-actuated sub also has a flapper and a flapper seat located inside the housing. The flapper seat is axially slidable between a first position and a second position in the housing. The plug seat is configured to release the flapper onto the flapper seat when the plug seat is shifted. It is emphasized that this abstract is provided to comply with the rules requiring an abstract, which will allow a searcher or other reader to quickly ascertain the general subject matter of the technical disclosure. |
| 申请公布号 |
US2016341002(A1) |
申请公布日期 |
2016.11.24 |
| 申请号 |
US201514720082 |
申请日期 |
2015.05.22 |
| 申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
McKitrick, III Robert D. |
| 分类号 |
E21B34/10;E21B43/16;E21B43/26;E21B34/06 |
主分类号 |
E21B34/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An apparatus for performing a downhole operation in a wellbore tubular, comprising:
a housing disposed in the wellbore tubular; a plug seat located inside the housing; and a flapper and a flapper seat located inside the housing and axially slidable between a first position and a second position in the housing, wherein the plug seat is configured to release the flapper onto the flapper seat when the plug seat is shifted. |
| 地址 |
Houston TX US |
