A Study on the Effect of Fluid Properties and Watercut on Liquid Carry-Over in Gas-Liquid Cylindrical Cyclone Compact Separators

被引:4
作者
Kolla, Srinivas Swaroop [1 ]
Mohan, Ram S. [1 ]
Shoham, Ovadia [2 ]
机构
[1] Univ Tulsa, Dept Mech Engn, Tulsa, OK 74104 USA
[2] Univ Tulsa, McDougall Sch Petr Engn, Tulsa, OK 74104 USA
来源
JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME | 2019年 / 141卷 / 09期
关键词
2-PHASE FLOW;
D O I
10.1115/1.4043161
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Prediction of the operational envelope (OE-limited range of gas and liquid velocities) for liquid carry-over is essential for the optimized performance of gas-liquid cylindrical cyclone (GLCC#) compact separators. This study presents for the first time the operational envelop for three-phase gas-oil-water flow incorporating pressure and level control configurations. A series of experiments were conducted to evaluate the performance of a 3 in. diameter GLCC in terms of OE for liquid carry-over. Experiments were carried out at different watercuts ranging from 0% to 100% utilizing water and two different types of mineral oils namely: light oil and heavy oil with specific gravities of 0.859 and 0.937, respectively. The liquid level was controlled at 6 in. below the GLCC inlet for all the experimental flow conditions. The experimental results indicate that OE for liquid carry-over for three-phase flow is very sensitive to watercut. As the watercut reduces, the OE for liquid carry-over reduces monotonically. Also, the OE for heavy oil (indicated by higher viscosity) reduces as compared to light oil. The superficial gas velocity required to create an annular mist flow in the upper part of the GLCC increases with the increase of watercut and viscosity.
引用
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页数:10
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