Measurement of Water Holdup in Oil-Water Two-Phase Flows Using Coplanar Microstrip Transmission Lines Sensor

Yong, Wei; Yu, Hongxing; Chen, Qiang; Liu, Guoquan; Chen, Jiefu

doi:10.1109/jsen.2019.2935022

Cited by 8 publications

(2 citation statements)

References 28 publications

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“…CPW is very easy to miniaturize, and we have previously designed an S-type CPW sensor [24,25,26]. However, because of surface tension, the oil–water mixture easily adheres to sensor surfaces with a planar structure, thus affecting the sensitivity.…”

Section: Methodsmentioning

confidence: 99%

“…Mohamed et al [23] proposed a coplanar microstrip transmission line sensor with an “n” structure. On this basis, Wei et al [24,25,26] designed a coplanar waveguide (CPW) sensor, using “s” type double-sided wiring to increase the length of the transmission line in limited space. Although the CPW sensor has good sensitivity, it easily adheres to liquid on the surface due to the flat structure and the influence of surface tension, and especially when the plane of the sensor is parallel to the horizontal plane, a measurement error may be caused.…”

Section: Introductionmentioning

confidence: 99%

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A Novel Conical Spiral Transmission Line Sensor-Array Water Holdup Detection Tool Achieving Full Scale and Low Error Measurement

Yong

Chen³

et al. 2019

Sensors

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To dynamically monitor the horizontal well, we studied the oil–water two-phase water holdup detection method based on transmission lines, and designed a micro-sensor and a sensor-array water holdup detection tool. We modeled the relationship of the dielectric constant of the transmission line filling medium and the amplitude and phase shift of the electromagnetic wave signal on the transmission line by using the time-domain analysis. We proposed a novel method to measure the water holdup of oil–water mixtures based on the phase shift of signals on the conical spiral transmission line. Furthermore, we simulated and optimized the structural parameters by software simulation, and developed a small conical spiral water holdup sensor suitable for arraying. The single sensor with detection circuits can achieve the full scale (water holdup from 0% to 100%) measurement with resolution better than 3%. On this basis, 12 sensors are used to develop a clock-like sensor-array water holdup detection tool, realizing the array detection of the distribution of the cross-section medium in horizontal wells.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Novel Conical Spiral Transmission Line Sensor-Array Water Holdup Detection Tool Achieving Full Scale and Low Error Measurement

Yong

Chen³

et al. 2019

Sensors

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Research on comprehensive and effective acoustic signal processing methods for caculating downhole liquid level depth

et al. 2022

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A Novel Combined Conductance Sensor for Water Cut Measurement of Low-Velocity Oil-Water Flow in Horizontal and Slightly Inclined Pipes

Kong

Xing

et al. 2019

IEEE Access

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This paper studied conductance-based method for water cut measurement to dynamically monitor the horizontal oil-producing wells. Existing conductance tools cannot obtain the response values corresponding to the water phase in horizontal wells due to the characteristics of the ring-shaped electrode structure and the horizontal well structure. In order to tackle this issue, this paper designed a novel Combined Conductance Sensor (CCS), which mainly consists of the Ring-Shaped Conductance Probe (RSCP) and the novel Clock-like Conductance Probe Array (CCPA). Specifically, we first established the structure model of CCS, optimized the geometry of CCPA by analyzing the uniformity of electric field distribution generated by the exciting electrodes of CCPA and then analyzed the local sensitivity field region of the optimized CCPA. Then we studied the flow pattern distribution of the horizontal oil-water two-phase flow and analyzed the response characteristics and the linear relation between RSCP and CCPA. In addition, this research developed the CCS-based tool and conducted the experiments about different inclined angles in horizontal and slightly inclined pipes. Extensive experiments demonstrated that the developed CCS can cover the three-quarter scale of water cut measurement(25%-100%) in horizontal and slightly inclined pipes, and the experimental results verified the validity of CCS for the water cut measurement. Comparing to the existing methods, the proposed CCS is more suitable for water cut measurement with the advantages of simple structure and low cost for the horizontal oil wells with the characteristics of the low production, which could be used widely in the actual logging. INDEX TERMS Combined conductance sensor, design and geometry optimization, horizontal and slightly inclined pipes, oil-water two-phase flow, water cut.

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Measurement of Water Holdup in Oil-Water Two-Phase Flows Using Coplanar Microstrip Transmission Lines Sensor

Cited by 8 publications

References 28 publications

A Novel Conical Spiral Transmission Line Sensor-Array Water Holdup Detection Tool Achieving Full Scale and Low Error Measurement

A Novel Conical Spiral Transmission Line Sensor-Array Water Holdup Detection Tool Achieving Full Scale and Low Error Measurement

Research on comprehensive and effective acoustic signal processing methods for caculating downhole liquid level depth

A Novel Combined Conductance Sensor for Water Cut Measurement of Low-Velocity Oil-Water Flow in Horizontal and Slightly Inclined Pipes

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