Observations of Slug Dissipation in Downward Flow
Author:
Zhang Hong-Quan1, Redus Clifford L.1, Brill James P.1, Yuan Hong2
Affiliation:
1. TUFFP, The University of Tulsa, Tulsa, OK 74104 2. IHS Energy Group, 1633 Firman Drive, Richardson, TX 75081
Abstract
Detailed observations were made for slug flow in an upward to downward pipeline configuration with 13 capacitance sensors. The results presented in this study are based on four typical tests, which demonstrate the phenomena encountered in slug dissipation. In downward flow, slug frequency decreases with different extent at different flow rates. There is a reduction of slug length after the turning over from upward to downward flow. However, the slug tends to recover its stable length in further downstream development, except for flow that quickly becomes stratified. Growth of the slug length is accomplished by picking up liquid left by the downstream dissipating slug before being fully absorbed by the liquid film. [S0195-0738(00)00503-3]
Publisher
ASME International
Subject
Geochemistry and Petrology,Mechanical Engineering,Energy Engineering and Power Technology,Fuel Technology,Renewable Energy, Sustainability and the Environment
Reference5 articles.
1. Zheng, G., Brill, J., and Taitel, Y., 1994, “Slug Flow Behavior in a Hilly Terrain Pipeline,” Int. J. Multiphase Flow, 20, No. 1, pp. 63–79. 2. Hill, T. J., Fairhurst, C. P., Bailey, R. S., Nelson, C. J., and Bececra, H., 1996, “Multiphase Prediction Through Hilly Terrain Pipelines in Cusiana Oilfield, Colombia,” presented at the 1996 SPE Annual Technical Conference and Exhibition, Denver, CO, October 6–9. 3. Barnea, D., and Brauner, N., 1985, “Hold-Up of the Liquid Slug in Two Phase Intermittent Flow,” Int. J. Multiphase Flow, 11, pp. 43–49. 4. Triggia, A. A., Caetano, E. F., and Shoham, O., 1986, “Gas-Liquid Two-Phase Flow Pattern Prediction Computer Library,” J. Pipelines, 5, pp. 207–220. 5. Taitel, Y., and Dukler, A. E., 1976, “A Model for Predicting Flow Regime Transition in Horizontal and Near Horizontal Gas-Liquid Flow,” AIChE J., 22, No. 1, pp. 47–55.
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