System and method for exploiting marine natural gas hydrate resource
US12084947B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2022 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Oct 25, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system and method for exploiting a marine natural gas hydrate resource including a vertical well, comprising a sleeve configured to penetrate through a marine layer and a hydrate reservoir covering layer, and penetrate downwards into a natural gas hydrate reservoir; a section of the sleeve in the natural gas hydrate reservoir is provided with a perforating channel; a horizontal well, connected to a bottom end of the sleeve; a production string, disposed in the sleeve and extending downwards into the horizontal well, wherein a bottom of the production string is provided with a gas/water collection inlet; a hot water injection pipe, disposed in the production string; and a bottom of the hot water injection pipe is provided with a hot water injection opening; and a gas bladder, disposed in the horizontal well and connected to the hot water injection opening in the hot water injection pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.