Measurement of Water Holdup in Oil-in-Water Flows Using Three-Channel Conductance Probe With Center Body

A three-channel conductance probe has been proposed to measure the water holdup in oil-in-water flows with low-flow rate and high-water cut. The probe consists of three pairs of arc shape electrodes with center body. The geometry of the electrodes in each channel has been optimized using the finite-...

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Bibliographic Details
Published in:IEEE sensors journal 2018-04, Vol.18 (7), p.2845-2852
Main Authors: Wei, Jidong, Jin, Ningde, Lian, Enyang, Wang, Dayang, Han, Yunfeng, Zhai, Lusheng
Format: Article
Language:English
Subjects:
Electrodes
Geometry
Oil-in-water flows
Oils
Probes
Sensitivity
Sensors
Shape
three-channel conductance probe
water holdup measurement
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Summary:A three-channel conductance probe has been proposed to measure the water holdup in oil-in-water flows with low-flow rate and high-water cut. The probe consists of three pairs of arc shape electrodes with center body. The geometry of the electrodes in each channel has been optimized using the finite-element method. An oil-in-water flow test has been conducted in the pipe with 20-mm inner diameter, the values of total flow rate are in the range 0.5-7 m 3 /day and the values of water cut are in the range 50%-99%. Normalized conductivity of fluid mixture has been calculated to a chart of water holdup according to the probe responses. The experimental results show that the three-channel conductance probe has high resolution of water holdup measurement in oil-in-water flows. In particular, the flow rate influence to the water holdup measurement was significantly reduced.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2018.2804343