| 发明名称 |
CENTRALIZER |
| 摘要 |
A centralizer having bow springs in a retracted position to facilitate passage through a restriction. After passing through the restriction, the bow springs may be expanded to support a casing. In one embodiment, the bow springs may be expanded using a movable sleeve. |
| 申请公布号 |
US2015034336(A1) |
申请公布日期 |
2015.02.05 |
| 申请号 |
US201414447187 |
申请日期 |
2014.07.30 |
| 申请人 |
Weatherford/Lamb, Inc. |
发明人 |
MORRISON Jeffery;LIRETTE Brent J.;LOGIUDICE Michael;SMITH Paul L. |
| 分类号 |
E21B17/10 |
主分类号 |
E21B17/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A centralizer, comprising:
a body having a bore therethrough; a first collar coupled to the body; a second collar coupled to the body; a plurality of bow springs coupled to the first collar and the second collar; and an actuating mechanism for expanding the plurality of bow springs. |
| 地址 |
Houston TX US |
