Compressed gas energy storage
US11161694B2 · kind B2 · utility
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1References
16Claims
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Assignee
Inventors
Key dates
| Filing date | Jul 18, 2019 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Feb 9, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/168
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Methods and systems for thermal energy storage and enhanced oil recovery are described herein. In some embodiments, natural gas may be injected down a well which has been previously hydraulically fractured to store thermal energy and to stimulate the well to greater hydrocarbon production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.