A Simple Model for Two-Phase Flow in Liquid-Cut Gas Wells

Tong Liu; Ying Chuan Li; Hai Quan Zhong

doi:10.4028/www.scientific.net/AMR.734-737.1343

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A Simple Model for Two-Phase Flow in Liquid-Cut Gas Wells
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 734-737A Simple Model for Two-Phase Flow in Liquid-Cut...

A Simple Model for Two-Phase Flow in Liquid-Cut Gas Wells

Abstract:

This paper presents a simple two-phase flow model for liquid-cut gas wells, which considers phase slippage and can be applied to various flow patterns. The model is developed from 312 measured pressure losses of gas wells in China, covering a wide range of flow patterns: annular flow, churn flow, and slug flow. Unlike most available methods, this new model introduces a derivation factor, ψ, to modify the void fraction, which not only considers the phase slippage but also unifies the slip model with the homogenous model. Parameter, ψ, is obtained from test data using the regression analyses method. It is a function of gas velocity number, liquid velocity number and liquid viscosity number. Frictional factor is estimated using the simple homogeneous modeling approach. The evaluation results using 145 published data indicate that the new model performed better than the other models.

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Periodical:

Advanced Materials Research (Volumes 734-737)

Pages:

1343-1349

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.734-737.1343

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Online since:

August 2013

Authors:

Tong Liu, Ying Chuan Li, Hai Quan Zhong

Keywords:

Liquid-Cut Gas Wells, Phase Slippage, Regression Analysis, Two-Phase, Void Fraction

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