Circulation sleeve and method
US11686176B2 · kind B2 · utility
0Cited by
11References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 2021 |
| Grant date | Jun 27, 2023 |
| Priority date | — |
| Expiry date | Feb 18, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A circulation sleeve including a housing, a mandrel disposed at least partially within the housing, the mandrel and the housing together configured to respond to pressure applied to the sleeve from radially outward of the housing by moving the housing to a position relative to the mandrel where a treatment port through a radial wall of the mandrel is exposed outside of the housing and to respond to fluid flow rate within the mandrel to move the housing to a position relative to the mandrel where the treatment port is disposed within the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.