Flow Pattern Identification of Oil–Water Two-Phase Flow Based on SVM Using Ultrasonic Testing Method [PDF]
A flow pattern identification method combining ultrasonic transmission attenuation with an ultrasonic reflection echo is proposed for oil–water two-phase flow in horizontal pipelines.
Qian Su, Jie Li, Zhenxing Liu
doaj +3 more sources
Measurement of Water Holdup in Vertical Upward Oil–Water Two-Phase Flow Pipes Using a Helical Capacitance Sensor [PDF]
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.
Runsong Dai +4 more
doaj +3 more sources
A novel method to identify the flow pattern of oil–water two-phase flow [PDF]
This paper presents a novel method combining extreme learning machine (ELM) and multiple empirical mode decomposition (MEMD) to identify flow patterns of oil–water two-phase flow. The proposed method can recognize accurately five typical flow patterns of
Zhong-Cheng Li, Chun-Ling Fan
doaj +3 more sources
Capacitive Phase Shift Detection for Measuring Water Holdup in Horizontal Oil–Water Two-Phase Flow [PDF]
In this paper, a phase shift detection system of flow impedance is designed based on a concave capacitance sensor (CCS). The flow impedance of oil–water stratified flow is investigated by establishing an equivalent circuit model and a finite ...
Hongxin Zhang +4 more
doaj +3 more sources
Optimization for Pipeline Corrosion Sensor Placement in Oil-Water Two-Phase Flow Using CFD Simulations and Genetic Algorithm. [PDF]
Internal corrosion is a major concern in ensuring the safety of transmission and gathering pipelines in Structural Health Monitoring (SHM). It usually requires numerous sensors deployed inside the piping system to comprehensively cover the locations with
Shi S +6 more
europepmc +2 more sources
Flow Measurement of Oil-Water Two-Phase Flow at Low Flow Rate Using the Plug-in Conductance Sensor Array [PDF]
In order to improve the flow measurement accuracy of oil-water two-phase flow at low flow rate, this paper presents a plug-in conductance sensor array (PICSA) for the measurement of water holdup and cross-correlation velocity. Due to the existence of the
Ningde Jin +5 more
doaj +2 more sources
The Finite Element Analysis for a Mini-Conductance Probe in Horizontal Oil-Water Two-Phase Flow [PDF]
Oil-water two-phase flow is widespread in petroleum industry processes. The study of oil-water two-phase flow in horizontal pipes and the liquid holdup measurement of oil-water two-phase flow are of great importance for the optimization of the oil ...
Weihang Kong +6 more
doaj +2 more sources
Study on the Flow Characteristics of Heavy Oil-Water Two-Phase Flow in the Horizontal Pipeline. [PDF]
Aiming at the problem of transportation for heavy oil during the middle-later development stages of the Lvda oilfield, based on the self-developed design of a visual circulating flow experimental apparatus for heavy oil-water two-phase flow-the flow regime characteristics and corresponding drag properties of the two-phase flow of Lvda viscous oil ...
Yin X +9 more
europepmc +4 more sources
Study of Oil-Water Two-Phase Stratified Flow in Horizontal Fractures [PDF]
The relative permeability of oil-water two-phase flow is an important parameter in fractured petroleum reservoirs. It is widely accepted that the sum of relative permeabilities is less than 1. In this study, a series of experiments have been conducted on
Huang Na, Liu Dongxu, Sun Yuhan, Liu Lei
doaj +2 more sources
High viscous oil–water two–phase flow: experiments & numerical simulations [PDF]
Se presenta un estudio experimental sobre flujo bifásico de aceite-agua altamente viscoso realizado en una tubería de 5.5 m de largo y 25.4 mm de diámetro interno (ID). El aceite mineral con viscosidad que varía de 3.5 Pa.s – 5.0 Pa.s y el agua se utilizaron como fluido de prueba para este estudio.
Archibong Archibong-Eso +5 more
openaire +2 more sources

