Direct firing downhole steam generator
US4336839A · kind A · utility
40Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1980 |
| Grant date | Jun 29, 1982 |
| Priority date | — |
| Expiry date | Nov 3, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23M5/08
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Direct firing downbole steam generator basically comprises an injector assembly axially connected with a combustion chamber. Downstream of the combustion chamber and oriented so as to receive its output is a heat exchanger wherein preheated water is injected into the heat exchanger through a plurality of one-way valves, vaporized and injected through a nozzle, packer and check valve into the well formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.