Determination of steam quality in thermal injection wells
US4581926A · kind A · utility
21Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1984 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Nov 15, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N11/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus for measuring the quality rate of the steam injected into a hydrocarbon formation in a thermal recovery process. The method measures the density and flow rate of the steam downhole using a mechanical/electrical apparatus. The quality of the steam is calculated from the measured density and flow rate. The apparatus comprises an electric motor-generator and turbine wheel combination, the no-load speed of the motor being related to velocity of the steam while the stall torque is related to density of the steam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.