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Cited by 23 publications
(14 citation statements)
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References 17 publications
(14 reference statements)
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“…This difference is similar to that seen by Das and Butler as can be seen from fig:6 where we have plotted the observed and predicted oil drainage rates as a function of the square root of permeability [16]. This discrepancy has also been observed by other workers [1][2][3][4][5][6][7][8]12,13,[15][16][17][20][21][22][23][25][26][27][28]50,52] and suggests that there is some problem with the Butler-Mokrys equation.…”
Section: Homogenous Systemssupporting
confidence: 81%
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“…This difference is similar to that seen by Das and Butler as can be seen from fig:6 where we have plotted the observed and predicted oil drainage rates as a function of the square root of permeability [16]. This discrepancy has also been observed by other workers [1][2][3][4][5][6][7][8]12,13,[15][16][17][20][21][22][23][25][26][27][28]50,52] and suggests that there is some problem with the Butler-Mokrys equation.…”
Section: Homogenous Systemssupporting
confidence: 81%
“…This analysis assumes first contact miscibility between the oil and the vapour. This is clearly much simpler than performing a fine grid simulation to predict VAPEX performance but unfortunately seems to systematically underpredict the drainage rate seen in laboratory experiments [1][2][3][4][5][6][7][8]13,14,[16][17][18][20][21][22][23][24][25][26][27][28] In contrast, the only published field pilot (in Soda Lake, Saskatchewan) obtained oil production rates a factor of 10 lower than predicted. A further uncertainty in the field scale application of VAPEX is the impact of geological heterogeneity.…”
Section: Introductionmentioning
confidence: 95%
“…1 and, for their experiments, is found to increase with the height of the experiment. Yazdani and Maini interpret this height-dependent N s in terms of a height-dependent dispersion coefficient (Yazdani and Maini, 2009a). Scale-dependent dispersion has long been observed, particularly by hydrogeologists (for a review of field data, see Gelhar et al, 1992), which provides some impetus for this interpretation.…”
Section: Efforts To Understand and Model The Processmentioning
confidence: 95%
“…However, deficiencies in the original model have also been addressed by different researchers. In particular, the likely role of mechanical dispersion has been discussed by a number of researchers (Boustaini and Maini, 2001;Yazdani and Maini, 2009a). Several workers have considered the impact of capillary effects on the Vapex process (Cuthiell et al, 2006;Ayub and Tuhinuzzaman, 2007;Ahmadhoo et al, 2011).…”
Section: Efforts To Understand and Model The Processmentioning
confidence: 97%
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