This paper describes the concept and industrialization of a magnetic resonance based multiphase flow meter. It is demonstrated that magnetic resonance technology enables a very elegant and direct way of measuring multiphase flow.

The experimental data acquired during extensive tests with two prototypes, show good performance of the flow meter across the entire application range with respect to the determination of both the gas volume fractions, water liquid ratio and the individual phase flow rates. The experiments indicated that the sweet spot of the meter is at high water liquid ratios (WLR>85%). This is in accordance with theory.

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