Collapse initiated explosive pellet
US10196894B2 · kind B2 · utility
2Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2015 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Sep 1, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A technique facilitates analysis of hydraulic fractures. A plurality of explosive pellets is constructed for delivery into fracture or fractures of a subterranean formation. Each explosive pellet comprises an explosive material combined with an initiating member working in cooperation with a friction sensitive pyrotechnic mixture. Crushing or otherwise actuating the initiating member initiates the friction sensitive pyrotechnic mixture which, in turn, ignites the explosive material to produce explosive signals. The explosive signals may be monitored to obtain data related to the fracture or fractures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.