| 发明名称 |
PACKER |
| 摘要 |
A packer apparatus and method. The packer includes a mandrel including a gripping structure, a first sleeve received around the mandrel, and a second sleeve received around the mandrel and coupled with the first sleeve. The packer also includes a clamp ring received around the mandrel and axially between at least a portion of the first sleeve and at least a first portion of the second sleeve. The clamp ring includes a first tapered surface and at least one gripping structure configured to engage with the gripping structure of the mandrel. The first sleeve engages the first tapered surface, such that, when the first and second sleeves are moved axially together, the first sleeve applies a radially-inward directed force on the clamp ring. |
| 申请公布号 |
US2016177660(A1) |
申请公布日期 |
2016.06.23 |
| 申请号 |
US201414577527 |
申请日期 |
2014.12.19 |
| 申请人 |
Isolation Technologies LLC |
发明人 |
Cuffe Chris;Caldwell Rebecca |
| 分类号 |
E21B33/129;E21B23/06;E21B33/127 |
主分类号 |
E21B33/129 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A packer, comprising:
a mandrel comprising a gripping structure; a first sleeve received around the mandrel; a second sleeve received around the mandrel and coupled with the first sleeve; and a clamp ring received around the mandrel and axially between at least a portion of the first sleeve and at least a first portion of the second sleeve, wherein the clamp ring comprises a first tapered surface and at least one gripping structure configured to engage with the gripping structure of the mandrel, and wherein the first sleeve engages the first tapered surface, such that, when the first and second sleeves are moved axially together, the first sleeve applies a radially-inward directed force on the clamp ring. |
| 地址 |
Houston TX US |
