Soft measurement of oil-water two-phase flow using a multi-task sequence-based CapsNet.

Flow parameters measurement facilitates the understanding of two-phase flow. Due to the changeable structures of the flow, the prediction of superficial velocity of oil-water two-phase flow in large diameter pipes is still a challenging problem. Therefore, we first conducted a vertical upward oil-water two-phase flow experiment in a 125 mm ID pipe, and obtained the response signals under different flow conditions by a vertical multi-electrode array (VMEA) conductance sensor.

Modelling of ultrasonic method for measuring gas holdup of Oil-Gas-Water three phase flows.

In oil-gas-water three-phase flow, the presence of two physically distinct dispersed phases leads to complex interfacial effects and relative velocities between the phases, which poses a significant challenges for gas holdup measurements. In this paper, a novel gas holdup measurement based on flow structure detection is realized. Firstly, the effect of gas bubble diameter on ultrasonic attenuation was studied, and a gas bubble diameter-based ultrasonic gas holdup measurement model was proposed.

Measurement of Water Holdup in Vertical Upward Oil-Water Two-Phase Flow Pipes Using a Helical Capacitance Sensor.

Oil-water two-phase flows widely exist in industrial production, especially in the petroleum industry. The liquid holdup is significant for understanding reservoir production characteristics and improving oil recovery. This paper focuses on the helical capacitance sensor for the measurement of water holdup of oil-water two-phase flows.

Void Fraction Measurement of Oil-Gas-Water Three-Phase Flow Using Mutually Perpendicular Ultrasonic Sensor.

The complex flow structure and interfacial effect in oil-gas-water three-phase flow have made the void fraction measurement a challenging problem. This paper reports on the void fraction measurement of oil-gas-water three-phase flow using a mutually perpendicular ultrasonic sensor (MPUS). Two pairs of ultrasonic probes are installed on the same pipe section to measure the void fraction.