Microwave water cut monitor

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters

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324639, 73 611R, G01R 2702

Patent

active

049471279

ABSTRACT:
A petroleum stream microwave water cut monitor includes test cell means which contains a reference petroleum multiphase fluid sample and which has a sample stream of a petroleum stream passing through it. A source transmits microwave energy to one of a first pair of antennae which irradiates the petroleum stream flowing in the test cell or the reference sample in the test cell with microwave energy. One of a second pair of antennae receives the microwave energy that has passed through either the petroleum stream or the reference sample. A detector detects the received microwave energy and provides a signal corresponding thereto. An indicator provides an indication of the water cut of the petroleum stream in accordance with the received signal power and a phase difference between the transmitted microwave energy and the received microwave energy.

REFERENCES:
patent: 4135131 (1979-01-01), Larsen et al.
patent: 4499418 (1985-02-01), Helms et al.
patent: 4651085 (1987-03-01), Sakurai et al.
patent: 4727311 (1988-02-01), Walker
patent: 4764718 (1988-08-01), Revus et al.
patent: 4767982 (1988-08-01), Florig et al.

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