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Diffusivity of CO2, CH4, C2H6 and N2 in athabasca bitumen

โœ Scribed by Simant R. Upreti; Anil K. Mehrotra

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
827 KB
Volume
80
Category
Article
ISSN
0008-4034

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โœฆ Synopsis

Abstract

Experimental data for the diffusivity of carbon dioxide, methane, ethane and nitrogen in Athabasca bitumen are presented in the range 25โ€“90ยฐC at 4 and 8 MPa. The diffusivity of these gases has been determined as a function of gas concentration in bitumen using a nonโ€intrusive experimฬ€ental method. The diffusivity of gas in general is found to increase with temperature and pressure, and is a unimodal function of concentration. A correlation is provided for the average diffusivity of these gases as a function of temperature.

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