Methods, systems and apparatus for production of hydrocarbons from a subterranean formation
US7631706B2 · kind B2 · utility
2Cited by
8References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2007 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Mar 24, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/061
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methods, systems, and apparatus that are suitable for use in production of hydrocarbons from subterranean heavy oil deposits employ a subterranean cavity in communication with a borehole. The cavity is preferably formed along a U-tube borehole by coiled tubing reaming operations and/or radial drilling and explosive blasting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.