Rock stress modification technique
US7828063B2 · kind B2 · utility
15Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2009 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Jun 24, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A technique involves facilitating fracturing operations along a wellbore extending through a subterranean formation. A stress device is deployed in a wellbore and activated to engage a surrounding wall. The stress device can then be manipulated to create a reduced stress region in the formation at a desired location along the wellbore. The reduced stress region facilitates the controlled formation of a fracture in the formation at the desired location. Furthermore, the stress device can be moved and the process repeated at multiple locations along the wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.