STRATIFIED WATER-OIL-GAS FLOW THROUGH HORIZONTAL PIPES
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Abstract
Stratified three-phase flow through horizontal pipe has been studied experimentally. The
fluids used in the system are water, kerosene, and air. A closed loop flow system, which composed
of 0.051 m inside diameter and 4 m length test pipe, is designed with facilities for measuring flow
rate, pressure drop and thickness of each phase.
The effects of gas, liquid flow rates and water liquid ratio (WLR) have been experimentally
observed. It was found that liquid (water, and oil) thickness decreased when the gas flow rate is
increased with constant liquid flow rate, and increased when the liquid flow rate is increased at
constant gas flow rate. Pressure drop increased when the gas and/or liquid flow rate is increased.
Three equations have been formulated, using the experimental data of the present work, to
predict liquid, water thickness and system pressure drop in stratified three-phase flow in horizontal
pipe. High correlation coefficients are obtained for these equations.
The experimental results are compared with the results obtained from three-phase model of
Taital, Barnea, & Brill (1995). The comparison showed that the predicted data which obtained from
three-phase flow model Taital et al. (1995) is in good agreement with experimental data.
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References
Taitel, Y. and Dukler, A. E.: “A Model for Predicting Flow Transition in Horizontal and Near Horizontal Gas-Liquid Flow,” AIChE Journal, 22, (1976) p47.
Taital, Y., Barnea, D., and Brill, J. P.: “Stratified Three Phase Flow in Pipes,” Int. J. Multiphase Flow Vol. 21. No. 1. pp. 53-60. (1995).
Faaiz H. R. Alzubaidi.: “Experimental Study of Stratified Three-Phase Flow Through Horizontal Pipes” MS thesis, Baghdad University (2005).