| 发明名称 |
REAMER SHOE ATTACHMENT FOR FLEXIBLE CASING SHOE |
| 摘要 |
A drillable reamer shoe having a reamer body and a nose section having a metallic cage containing a plurality of ceramic inserts made from silicon nitride or aluminum oxide. The drillable reamer shoe is positioned on an end of a flexible wellbore casing guide comprising a tubular body having a stiffness lower than a wellbore casing. |
| 申请公布号 |
US2015308195(A1) |
申请公布日期 |
2015.10.29 |
| 申请号 |
US201514679961 |
申请日期 |
2015.04.06 |
| 申请人 |
WWT NORTH AMERICA HOLDINGS, INC. |
发明人 |
Mitchell Sarah |
| 分类号 |
E21B10/26;E21B17/20;E21B17/14 |
主分类号 |
E21B10/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A drillable reamer shoe having a reamer body and a nose section having a reamer bit comprising a metallic framework or cage containing a plurality of ceramic inserts. |
| 地址 |
Houston TX US |
