Boundary effect on liquid invasion in tight gas reservoirs

Liquid invasion is an important transport phenomenon in many geophysical and environmental applications. A new capillary model considering boundary effect is proposed to reveal its mechanism. The boundary fluid layer not only reduces the effective flow radius, but also changes the viscosity of fluid...

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Bibliographic Details
Published in:Thermal science 2015, Vol.19 (4), p.1393-1396
Main Authors: Li, Gao, Ren, Wen-Xi, Meng, Ying-Feng, Yi, Feng, Sun, Ai-Sheng, Chu, Heng-Zhi
Format: Article
Language:English
Subjects:
Transport phenomena
Viscosity
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Summary:Liquid invasion is an important transport phenomenon in many geophysical and environmental applications. A new capillary model considering boundary effect is proposed to reveal its mechanism. The boundary fluid layer not only reduces the effective flow radius, but also changes the viscosity of fluid. Thus the capillary force and viscosity resistance increases, however, the increase of capillary force is faster than that of viscosity resistance, therefore the invasion front arrives at the critical distance earlier. nema
ISSN:0354-9836
2334-7163
DOI:10.2298/TSCI1504393L