Patent ID: 11959785
Assignee: ROXAR FLOW MEASUREMENT AS
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. A measuring system comprising:
at least two electrodes on an inner wall of a pipe for conducting a multiphase fluid flow, the flow having a stable water liquid ratio (WLR) over a time span, the at least two electrodes being positioned on an inner surface of the pipe and being connected to a measuring instrument for measuring electric characteristics in a fluid flow volume between the at least two electrodes;
a flow density sensor measuring the same fluid flow volume measured by the at least two electrodes; and
an analyzing unit in the measuring instrument sampling density and electric measurements at a predetermined rate, and calculating a best fit linear curve representing the sampled data as a function between the corresponding density and electric measurement data and based on a curve slope determining the constant water liquid ratio in the multiphase fluid flow.