Laboratory Study of Permeability in Low Permeability Medium

Peng Qi; Jing Zhang; Zhi Rong Mei; Yue Xiu Wu

doi:10.4028/www.scientific.net/AMR.450-451.1249

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 450-451Laboratory Study of Permeability in Low...

Laboratory Study of Permeability in Low Permeability Medium

Abstract:

Based on the developed low permeability test instrument, gas transport properties of typical Jin-Ping marbles are studied under steady flow of nitrogen. A low permeability test instrument and its tri-axial cell structure were introduced in detail, and this test instrument was used to study transport properties of dense rocks under different temperatures and stress conditions, the Test results showed that intrinsic permeability of Jin-Ping marble is about 10－20 m2. Comparisons are made between test results and an exact method which considers Klinkenberg effect in gas flow equation. Fitting results using the exact method show better agreement with laboratory testing results and the transport parameters gained are more convincible.

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Periodical:

Advanced Materials Research (Volumes 450-451)

Pages:

1249-1252

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.450-451.1249

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Online since:

January 2012

Authors:

Peng Qi, Jing Zhang, Zhi Rong Mei, Yue Xiu Wu

Keywords:

Gas Permeability, Intrinsic Permeability, Steady Flow

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