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Abstract

Gas diffusivity is a subject of interest in oil recovery projects. Its study is imperative in understanding the transport properties<br>of two different species; gas and liquid. It enables the analysis of the rate of transport caused by concentration gradient.<br>Considering that different gas and liquid systems have different diffusivities, there is a need to determine its value to be able<br>to incorporate the effect of mass transfer in the design and planning of any gas injection and enhanced oil recovery projects;<br>for instance, miscible gas flooding and non-thermal recovery of heavy oil by solvent injection. Diffusivity also assists in<br>understanding methane hydrates formation and phase distribution process in a shut-in well. In reservoir engineering<br>application specifically, diffusivity may be important when modeling gas displacement process at extremely low flow rate or<br>in very small scale such as a micro-model.

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/content/papers/10.3997/2214-4609-pdb.151.iptc13638
2009-12-07
2022-11-28
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