Cavity well system
US7571771B2 · kind B2 · utility
4Cited by
366References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2005 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Nov 21, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for accessing a subterranean zone includes forming a subterranean cavity coupled to a land surface and forming a plurality of substantially horizontal bores extending at least partially into the subterranean zone and intersecting the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.