Novel Approach to Model and Visualize the Transport of Polymer Molecules in Porous Media Using Microfluidics

Hoteit, Hussein; Sugar, Antonia; Habuchi, Satoshi; Serag, Maged F.; Büttner, U.; Fahs, Marwan

doi:10.3997/2214-4609.202133072

Cited by 2 publications

(2 citation statements)

References 29 publications

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“…It has gained attention due to its ability to mimic representative pore-size models and capture detailed observations of fluid dynamics within the porous network of rocks at high spatial resolution. 36–39 Microfluidics also enables rapid, precise, and real-time analysis of fluid transport and phase behavior. 40–44 Micromodel substrates are utilized as 2D proxies to represent the complex 3D porous structures found in rocks, simplifying the analysis of pore-scale mechanisms.…”

Section: Introductionmentioning

confidence: 99%

“…It has gained attention due to its ability to mimic representative pore-size models and capture detailed observations of fluid dynamics within the porous network of rocks at high spatial resolution. [36][37][38][39] Microfluidics Fig. 1 Schematic illustration of a micromodel with spatial wettability variation mimicking a thin section of a reservoir rock with heterogeneous mineralogy.…”

Section: Introductionmentioning

confidence: 99%

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Novel fabrication of mixed wettability micromodels for pore-scale studies of fluid–rock interactions

AlOmier,

Cha,

Ayirala

et al. 2024

Lab Chip

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Section: Introductionmentioning

confidence: 99%

“…It has gained attention due to its ability to mimic representative pore-size models and capture detailed observations of fluid dynamics within the porous network of rocks at high spatial resolution. [36][37][38][39] Microfluidics Fig. 1 Schematic illustration of a micromodel with spatial wettability variation mimicking a thin section of a reservoir rock with heterogeneous mineralogy.…”

Section: Introductionmentioning

confidence: 99%

Novel fabrication of mixed wettability micromodels for pore-scale studies of fluid–rock interactions

AlOmier,

Cha,

Ayirala

et al. 2024

Lab Chip

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Novel Mixed Wettability Coating: Application in Microfluidics Fabrication

AlOmier

Sugar

Cha

et al. 2022

Day 3 Wed, October 05, 2022

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Microfluidics is an emerging technology that has gained attention by the industry for its capabilities to investigate and visualize fundamental recovery mechanisms at the pore scale in a microdevice, mimicking, to some extent, the actual rock pore-network. While current technologies are capable of building micromodels that are either water-wet or oil-wet, a technique to achieve a representative mixed-wet property is still unreached. In this work, we introduce a novel surface coating capability using thin film deposition to fabricate surfaces with selective wettability, oil-wet and water-wet, an effort to mimic actual mixed-wet rock. This unique approach enables the generation of hydrophobic surfaces in selected regions by altering the hydrophilic surface property of silicon substrate at the microscale. A selective wettability control mask and Perfluorodecyltrichlorosilane (FDTS) hydrophobic coating using molecular vapor deposition (MVD) were used for surface wetting properties alteration. Surface measurements, including contact angle measurements, X-ray photoelectron spectroscopy (XPS), and Transmission Electron Spectroscopy (TEM) imagining, were performed to evaluate the thin-film composition and morphology. By altering the wetting state of the substrate by the coated film, a selective mixed wettability surface was achieved. This technique has the potential to be utilized in microfluidic device developments. Tuning the wetting state of the substrate to mimic the mixed-wet characteristics of reservoir rocks, such as carbonates and shales, can enhance our understanding of complex fluid behaviors in porous media and provide a crucial contribution to many subsurface petroleum engineering applications such as enhanced oil recovery (EOR) and CO2 storage.

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Novel Approach to Model and Visualize the Transport of Polymer Molecules in Porous Media Using Microfluidics

Cited by 2 publications

References 29 publications

Novel fabrication of mixed wettability micromodels for pore-scale studies of fluid–rock interactions

Novel fabrication of mixed wettability micromodels for pore-scale studies of fluid–rock interactions

Novel Mixed Wettability Coating: Application in Microfluidics Fabrication

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