Hydraulic fracturing of shallow wells
US5472049A · kind A · utility
143Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1994 |
| Grant date | Dec 5, 1995 |
| Priority date | — |
| Expiry date | Apr 20, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for fracturing formations near a shallow horizontal well notches a wellbore at orientations such that later applied hydraulic pressure generates fractures only in preferred directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.