Downhole stimulation tools and related methods of stimulating a producing formation
US9995124B2 · kind B2 · utility
6Cited by
33References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2014 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Dec 13, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B3/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole stimulation tool comprising an outer housing exhibiting apertures extending therethrough, opposing propellant structures within the outer housing, and at least one initiator adjacent each of the opposing propellant structures. Each of the opposing propellant structures comprise at least one higher combustion rate propellant region, and at least one lower combustion rate propellant region longitudinally adjacent the at least one higher combustion rate propellant region. Additional downhole stimulation tools and methods of stimulating a producing formation are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.