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A Model for direct estimation of wetting phase relative permeabilities using a multistep drainage process / Shengdong Wang in Industrial & engineering chemistry research, Vol. 51 N° 47 (Novembre 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 47 (Novembre 2012) . - pp. 15472-15483 Titre : A Model for direct estimation of wetting phase relative permeabilities using a multistep drainage process Type de document : texte imprimé Auteurs : Shengdong Wang, Auteur ; Mingzhe Dong, Auteur ; Jun Yao, Auteur Année de publication : 2013 Article en page(s) : pp. 15472-15483 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Permeability  Wetting  Modeling Résumé : A new analytical model has been developed for determining the wetting phase relative permeabilities in a multiple gas―liquid drainage process. The multistep drainage process consists of a series of drainage processes with a tiered pressure-difference profile. With this model, the wetting phase relative permeabilities can be readily obtained through regression of the wetting phase recovery history. The assumptions used in deriving the analytical model are examined by numerical simulations. The agreement between the analytical and the numerical results indicates that these assumptions are reasonable and valid. Numerical simulations and laboratory results demonstrate that this model is effective for direct estimation of the wetting phase relative permeabilities in the multistep drainage process. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26679668 [article] A Model for direct estimation of wetting phase relative permeabilities using a multistep drainage process [texte imprimé] / Shengdong Wang, Auteur ; Mingzhe Dong, Auteur ; Jun Yao, Auteur . - 2013 . - pp. 15472-15483. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 47 (Novembre 2012) . - pp. 15472-15483 Mots-clés : Permeability  Wetting  Modeling Résumé : A new analytical model has been developed for determining the wetting phase relative permeabilities in a multiple gas―liquid drainage process. The multistep drainage process consists of a series of drainage processes with a tiered pressure-difference profile. With this model, the wetting phase relative permeabilities can be readily obtained through regression of the wetting phase recovery history. The assumptions used in deriving the analytical model are examined by numerical simulations. The agreement between the analytical and the numerical results indicates that these assumptions are reasonable and valid. Numerical simulations and laboratory results demonstrate that this model is effective for direct estimation of the wetting phase relative permeabilities in the multistep drainage process. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26679668