1967
DOI: 10.2118/1594-pa
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Dispersion Coefficients for Gases Flowing in Consolidated Porous Media

Abstract: The best currently available description of the longitudinal mixing properties of a porous medium is an equation of the formEquation 1 which relates the effective longitudinal dispersion coefficient Dl to the molecular diffusion coefficient D0, the electrical resistivity factor F, the porosity f and a Peclet number. If the parameters dps and m are determined for a porous medium of known porosity and electrical resistivity factor, then a dispersion coefficient may be estimated for a given flow… Show more

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Cited by 27 publications
(12 citation statements)
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“…Even though the flow of incompressible fluids through carbonate rocks has been broadly investigated, very few dispersion measurements have been conducted on gas-gas systems in carbonates (Batycky et al, 1982;Legatski and Katz, 1967;Mamora and Seo, 2002;Seo, 2004). Legatski and Katz (1967) initiated the gas-gas dispersion measurements in carbonate cores by conducting pulse dispersion experiments at ambient conditions and various interstitial velocities.…”
Section: Dispersion Measurement In Carbonate Rocksmentioning
confidence: 99%
See 1 more Smart Citation
“…Even though the flow of incompressible fluids through carbonate rocks has been broadly investigated, very few dispersion measurements have been conducted on gas-gas systems in carbonates (Batycky et al, 1982;Legatski and Katz, 1967;Mamora and Seo, 2002;Seo, 2004). Legatski and Katz (1967) initiated the gas-gas dispersion measurements in carbonate cores by conducting pulse dispersion experiments at ambient conditions and various interstitial velocities.…”
Section: Dispersion Measurement In Carbonate Rocksmentioning
confidence: 99%
“…Legatski and Katz (1967) initiated the gas-gas dispersion measurements in carbonate cores by conducting pulse dispersion experiments at ambient conditions and various interstitial velocities. Nitrogen pulses were injected into the argon-saturated cores and the dispersion coefficients were extracted.…”
Section: Dispersion Measurement In Carbonate Rocksmentioning
confidence: 99%
“…This result which is valid only for large Péclet numbers and one-dimensional flows (Taylor 1954) limits its applicability to real porous media. Numerous subsequent studies examined the process of dispersion in more complex geometries that include bead-packs and sandstones (Perkins and Johnston 1963;Legatski and Katz 1967), constricted capillary tubes (Hoagland and Prud'homme 1985), and spatially periodic porous media made of arrays of cylinders or spheres (Brenner and Adler 1982;Eidsath et al 1983;Koch et al 1989). Numerous correlations of the variation of the longitudinal and transverse dispersion have also been obtained for a variety of media (Perkins and Johnston 1963;Fried and Combarnous 1971).…”
mentioning
confidence: 99%
“…2,3 Various authors also have presented correlations relating diffusion to dispersion during flow throuth porous media. 4,5 Comprehensive review papers, ,7 also compare these phenomena with other mechanisms important in miscible displacement. Application of these literature correlations to the conditions characteristic of retrograde condensate reservoirs suggests that diffusion and dispersion, per se, lead to a relatively small amount of fluid mixing.…”
Section: Mixing In Reservoir Fluid Displacementmentioning
confidence: 99%