| 发明名称 |
WELLHEAD HANGER WITH SPACER TO REDUCE BREAK-OUT TORQUE |
| 摘要 |
A wellhead hanger assembly is provided. In one embodiment, a system includes a wellhead hanger, such as a casing hanger. This system also includes a spacer ring positioned along a neck of the wellhead hanger between a threaded portion of the neck and a shoulder of the wellhead hanger. In at least some instances, the spacer ring may cooperate with a running tool threaded onto the wellhead hanger to reduce the break-out torque needed for disconnecting the running tool from the wellhead hanger. Additional systems, devices, and methods are also disclosed. |
| 申请公布号 |
US2015260002(A1) |
申请公布日期 |
2015.09.17 |
| 申请号 |
US201414209469 |
申请日期 |
2014.03.13 |
| 申请人 |
CAMERON INTERNATIONAL CORPORATION |
发明人 |
Nguyen Dennis P.;Painter Jay P. |
| 分类号 |
E21B33/04;E21B43/10 |
主分类号 |
E21B33/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A system comprising:
a wellhead hanger; and a spacer ring positioned along a neck of the wellhead hanger between a threaded portion of the neck and a shoulder of the wellhead hanger, wherein the spacer ring is threaded onto an additional threaded portion of the neck, and wherein the threaded portion and the additional threaded portion are threaded in opposite directions. |
| 地址 |
HOUSTON TX US |
