Sequestration injection valve, method, and system
US12129739B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2023 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | May 16, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sequestration injection valve including a housing, a flow valve disposed in the housing, an injector assembly, the assembly having a ported inner sleeve and a ported outer sleeve, the inner sleeve and outer sleeve moveable relative to one another to more align or more misalign the ports in the inner sleeve and outer sleeve. A method for injecting sequestration fluid into a borehole including applying pressure to a flow valve in an injection valve, moving an inner sleeve of an injector assembly with the pressure, and automatically maintaining pressure differential at the injector assembly. A borehole system including a borehole in a subsurface formation, a string in the borehole, and a sequestration injection valve disposed within or as a part of the string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.