Activation ring for wellhead
US9938791B2 · kind B2 · utility
1Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2014 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Jul 3, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/03
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus to define a shoulder within equipment includes a housing including a bore formed therethrough and a recess formed within an inner wall of the housing. The apparatus further includes an activation ring positionable within the recess and movable to extend, at least partially, into the bore of the housing to define a shoulder within the housing, and an actuator to move the activation ring with respect to the recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.