Enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media

Abstract Modeling reservoir permeability is one of the crucial tasks in reservoir simulation studies. Traditionally, it is done by kriging-based methods. More rigorous modeling of the permeability results in more reliable outputs of the reservoir models. Recently, a new category of geostatistical me...

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Autores principales:	Arash Azamifard, Fariborz Rashidi, Mohammadreza Pourfard, Mohammad Ahmadi, Bahram Dabir
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2019
Materias:	Multiple point statistics Permeability modeling Fluid flow in porous media Permeability texture Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/43fd4273dc2149c785467064c2e15874
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spelling	oai:doaj.org-article:43fd4273dc2149c785467064c2e158742021-12-02T08:45:55ZEnduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media10.1007/s12182-019-00366-41672-51071995-8226https://doaj.org/article/43fd4273dc2149c785467064c2e158742019-09-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-019-00366-4https://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract Modeling reservoir permeability is one of the crucial tasks in reservoir simulation studies. Traditionally, it is done by kriging-based methods. More rigorous modeling of the permeability results in more reliable outputs of the reservoir models. Recently, a new category of geostatistical methods has been used for this purpose, namely multiple point statistics (MPS). By this new category of permeability modeling methods, one is able to predict the heterogeneity of the reservoir permeability as a continuous variable. These methods consider the direction of property variation in addition to the distances of known locations of the property. In this study, the reservoir performance of a modified version of the SPE 10 solution project as a pioneer case is used for investigating the efficiency of these methods and paralleling them with the kriging-based one. In this way, the permeability texture concept is introduced by applying some MPS methods. This study is accomplished in the conditions of real reservoir dimensions and velocities for the whole reservoir life. A continuous training image is used as the input of calculation for the permeability modeling. The results show that the detailed permeability of the reservoir as a continuous variable makes the reservoir simulation show the same fluid front movement and flooding behavior of the reservoir similar to the reference case with the same permeability heterogeneity. Some MPS methods enable the reservoir simulation to reproduce the fluid flow complexities such as bypassing and oil trapping during water flooding similar to the reference case. Accordingly, total oil production is predicted with higher accuracy and lower uncertainty. All studied cases are identical except for the permeability texture. Even histograms and variograms of permeabilities for the studied reservoir are quite similar, but the performance of the reservoir shows that kriging-based method results have slightly less accuracy than some MPS methods. Meanwhile, it results in lower uncertainty in outputs for this water flooding case performance.Arash AzamifardFariborz RashidiMohammadreza PourfardMohammad AhmadiBahram DabirKeAi Communications Co., Ltd.articleMultiple point statisticsPermeability modelingFluid flow in porous mediaPermeability textureScienceQPetrologyQE420-499ENPetroleum Science, Vol 17, Iss 1, Pp 118-135 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Multiple point statistics Permeability modeling Fluid flow in porous media Permeability texture Science Q Petrology QE420-499
spellingShingle	Multiple point statistics Permeability modeling Fluid flow in porous media Permeability texture Science Q Petrology QE420-499 Arash Azamifard Fariborz Rashidi Mohammadreza Pourfard Mohammad Ahmadi Bahram Dabir Enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media
description	Abstract Modeling reservoir permeability is one of the crucial tasks in reservoir simulation studies. Traditionally, it is done by kriging-based methods. More rigorous modeling of the permeability results in more reliable outputs of the reservoir models. Recently, a new category of geostatistical methods has been used for this purpose, namely multiple point statistics (MPS). By this new category of permeability modeling methods, one is able to predict the heterogeneity of the reservoir permeability as a continuous variable. These methods consider the direction of property variation in addition to the distances of known locations of the property. In this study, the reservoir performance of a modified version of the SPE 10 solution project as a pioneer case is used for investigating the efficiency of these methods and paralleling them with the kriging-based one. In this way, the permeability texture concept is introduced by applying some MPS methods. This study is accomplished in the conditions of real reservoir dimensions and velocities for the whole reservoir life. A continuous training image is used as the input of calculation for the permeability modeling. The results show that the detailed permeability of the reservoir as a continuous variable makes the reservoir simulation show the same fluid front movement and flooding behavior of the reservoir similar to the reference case with the same permeability heterogeneity. Some MPS methods enable the reservoir simulation to reproduce the fluid flow complexities such as bypassing and oil trapping during water flooding similar to the reference case. Accordingly, total oil production is predicted with higher accuracy and lower uncertainty. All studied cases are identical except for the permeability texture. Even histograms and variograms of permeabilities for the studied reservoir are quite similar, but the performance of the reservoir shows that kriging-based method results have slightly less accuracy than some MPS methods. Meanwhile, it results in lower uncertainty in outputs for this water flooding case performance.
format	article
author	Arash Azamifard Fariborz Rashidi Mohammadreza Pourfard Mohammad Ahmadi Bahram Dabir
author_facet	Arash Azamifard Fariborz Rashidi Mohammadreza Pourfard Mohammad Ahmadi Bahram Dabir
author_sort	Arash Azamifard
title	Enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media
title_short	Enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media
title_full	Enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media
title_fullStr	Enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media
title_full_unstemmed	Enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media
title_sort	enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media
publisher	KeAi Communications Co., Ltd.
publishDate	2019
url	https://doaj.org/article/43fd4273dc2149c785467064c2e15874
work_keys_str_mv	AT arashazamifard enduringeffectofpermeabilitytextureforenhancingaccuracyandreducinguncertaintyofreservoirfluidflowthroughporousmedia AT fariborzrashidi enduringeffectofpermeabilitytextureforenhancingaccuracyandreducinguncertaintyofreservoirfluidflowthroughporousmedia AT mohammadrezapourfard enduringeffectofpermeabilitytextureforenhancingaccuracyandreducinguncertaintyofreservoirfluidflowthroughporousmedia AT mohammadahmadi enduringeffectofpermeabilitytextureforenhancingaccuracyandreducinguncertaintyofreservoirfluidflowthroughporousmedia AT bahramdabir enduringeffectofpermeabilitytextureforenhancingaccuracyandreducinguncertaintyofreservoirfluidflowthroughporousmedia
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Enduring effect of permeability texture for enhancing accuracy and reducing uncertainty of reservoir fluid flow through porous media

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