Scale monitoring and inhibitor quantification technique in multiphase meters
US9759646B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 16, 2014 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Oct 16, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/1833
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a system for detecting deposits or chemical inhibitor close to or on the surface of electrodes or pins facing a fluid flow where any combination of the components oil, water, gas and a chemical inhibitor fluid could be present, and where the electrodes or pins are coupled to measuring means for monitoring the electrical characteristics of the flow, the electrical characteristics including the complex impedance or complex permittivity. The system comprises detecting means transmitting a signal indicating presence of deposit or chemical inhibitor if the real part of the complex impedance, in case of hydrocarbon continuous flow, or the imaginary part of the complex impedance, in case of water continuous flow deviates from predetermined limits related to the electrical characteristics of the said flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.