收稿日期: 2008-06-02
修回日期: 2008-10-08
网络出版日期: 2008-10-10
Low-velocity Non-Darcy Gas Seepage Model and Productivity Equationsof Low-permeability Wate-|bearing Gas Reservoirs
Received date: 2008-06-02
Revised date: 2008-10-08
Online published: 2008-10-10
朱维耀;宋洪庆; 何东博;王明 ;贾爱林;胡永乐 . 含水低渗气藏低速非达西渗流数学模型及产能方程研究[J]. 天然气地球科学, 2008 , 19(05) : 685 -689 . DOI: 10.11764/j.issn.1672-1926.2008.05.685
The flow behaviour of fluids in water-bearing gas reservoirs was analyzed based on the experimental study of low velocity non Darcy percolation. Three kinds of mathematical models were established under the influences of movable water, inmovable water and combined water. Deliverability equations of gas well were obtained with the gas slippage effect and the threshold pressure gradient existed respectively and simultaneously. The case study proved that the study was applicable and the corresponding equations could provide a necessary theoretical basis for defining reasonable gas well deliverability under different water conditions.
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