Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs

Abstract Low-permeability (unconventional) hydrocarbon reservoirs exhibit a complex nanopore structure and micro (µm) -scale variability in composition which control fluid distribution, displacement and transport processes. Conventional methods for characterizing fluid-rock interaction are however t...

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Autores principales:	Hanford J. Deglint, Christopher R. Clarkson, Chris DeBuhr, Amin Ghanizadeh
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6bf0818697704394a5ca3e2d4ba11eb5
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spelling	oai:doaj.org-article:6bf0818697704394a5ca3e2d4ba11eb52021-12-02T11:40:14ZLive Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs10.1038/s41598-017-04239-x2045-2322https://doaj.org/article/6bf0818697704394a5ca3e2d4ba11eb52017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04239-xhttps://doaj.org/toc/2045-2322Abstract Low-permeability (unconventional) hydrocarbon reservoirs exhibit a complex nanopore structure and micro (µm) -scale variability in composition which control fluid distribution, displacement and transport processes. Conventional methods for characterizing fluid-rock interaction are however typically performed at a macro (mm) -scale on rock sample surfaces. In this work, innovative methods for the quantification of micro-scale variations in wettability and fluid distribution in a low-permeability oil reservoir was enabled by using an environmental scanning electron microscope. Live imaging of controlled water condensation/evaporation experiments allowed micro-droplet contact angles to be evaluated, while imaging combined with x-ray mapping of cryogenically frozen samples facilitated the evaluation of oil and water micro-droplet contact angles after successive fluid injection. For the first time, live imaging of fluids injected through a micro-injection system has enabled quantification of sessile and dynamic micro-droplet contact angles. Application of these combined methods has revealed dramatic spatial changes in fluid contact angles at the micro-scale, calling into question the applicability of macro-scale observations of fluid-rock interaction.Hanford J. DeglintChristopher R. ClarksonChris DeBuhrAmin GhanizadehNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hanford J. Deglint Christopher R. Clarkson Chris DeBuhr Amin Ghanizadeh Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs
description	Abstract Low-permeability (unconventional) hydrocarbon reservoirs exhibit a complex nanopore structure and micro (µm) -scale variability in composition which control fluid distribution, displacement and transport processes. Conventional methods for characterizing fluid-rock interaction are however typically performed at a macro (mm) -scale on rock sample surfaces. In this work, innovative methods for the quantification of micro-scale variations in wettability and fluid distribution in a low-permeability oil reservoir was enabled by using an environmental scanning electron microscope. Live imaging of controlled water condensation/evaporation experiments allowed micro-droplet contact angles to be evaluated, while imaging combined with x-ray mapping of cryogenically frozen samples facilitated the evaluation of oil and water micro-droplet contact angles after successive fluid injection. For the first time, live imaging of fluids injected through a micro-injection system has enabled quantification of sessile and dynamic micro-droplet contact angles. Application of these combined methods has revealed dramatic spatial changes in fluid contact angles at the micro-scale, calling into question the applicability of macro-scale observations of fluid-rock interaction.
format	article
author	Hanford J. Deglint Christopher R. Clarkson Chris DeBuhr Amin Ghanizadeh
author_facet	Hanford J. Deglint Christopher R. Clarkson Chris DeBuhr Amin Ghanizadeh
author_sort	Hanford J. Deglint
title	Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs
title_short	Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs
title_full	Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs
title_fullStr	Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs
title_full_unstemmed	Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs
title_sort	live imaging of micro-wettability experiments performed for low-permeability oil reservoirs
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/6bf0818697704394a5ca3e2d4ba11eb5
work_keys_str_mv	AT hanfordjdeglint liveimagingofmicrowettabilityexperimentsperformedforlowpermeabilityoilreservoirs AT christopherrclarkson liveimagingofmicrowettabilityexperimentsperformedforlowpermeabilityoilreservoirs AT chrisdebuhr liveimagingofmicrowettabilityexperimentsperformedforlowpermeabilityoilreservoirs AT aminghanizadeh liveimagingofmicrowettabilityexperimentsperformedforlowpermeabilityoilreservoirs
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Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs

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