期刊
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
卷 32, 期 -, 页码 198-204出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jngse.2016.03.083
关键词
Liquid loading; Gas-liquid annular flow; Critical gas rate; Droplet model
资金
- Program for National Natural Science Foundation of China [40974055]
- New Century Excellent Talents in University [NCET-13-1030]
Liquid loading is a major limiting production factor for maturing gas wells, whereas the modeling of liquid loading behavior is still quite immature and the prediction of the critical gas rate is not very reliable. On the basis of Turner's model, a new approach for calculating the critical gas flow rate is introduced in this paper, which takes into account the liquid amount in addition to the deformation and size of the liquid droplets. A dimensionless parameter is introduced in the new model to account for the deformation, distribution and maximum size of the liquid droplets. Well data from Turner's paper and Li Min's paper are used to validate the model. The prediction results agree well with both of the data. (C) 2016 Elsevier B.V. All rights reserved.
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