Aggregation of Partially Hydrophilic Silica Nanoparticles in Porous Media: Quantitative and Qualitative Analysis

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Abstract

– In this experimental work, the adsorption of partially hydrophilic silica nanoparticles, SiO2 has been investigated to determine the degree of silica nanoparticle aggregation in the porous media. An integrated quantitative and qualitative method were used by flowing silica nanoparticles into Buff Berea cores and glass micromodel. Water wet Buff Berea cores were flooded with 5 pore volumes of 0.05% silica nanoparticles solution followed by 10 pore volumes of brine post flush subjected to 30 and 60 oC at 1000 psi. The pressure drops increased rapidly at the initial stage of silica nanoparticles injection indicated the adsorption had taken place. Pressure drops reached the maximum value of ~ 3.1 psi and between 26.6 – 82.6 psi at 30 and 60 oC respectively. Pressure drops gradually declined and stabilized in between ~0.4 to ~0.7 psi after couple of pore volumes of brine post flush, suggesting complete reversible and irreversible adsorption. Micromodel test provide qualitative information where the straining or log-jamming observed in the form of gelled-like suspension when silica nanoparticles in contact with brine. The adsorption is considered reversible when the suspension decreased after post flooded with brine. Partially hydrophilic silica nanoparticles used in this experimental work shows minimal aggregation and could be further optimize that can be beneficial as improved oil recovery agent with minimum risk of formation damage.
Original languageEnglish
Title of host publicationNano- and Micro-Encapsulation - Techniques and Applications
EditorsNedal Abu Thabit
PublisherIntechOpen Publisher
ISBN (Print)978-1-83968-349-7
Publication statusSubmitted - 2020

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qualitative analysis
quantitative analysis
porous medium
silica
brine
pressure drop
adsorption
nanoparticle
glass
damage
oil

Cite this

Irawann, S. (2020). Aggregation of Partially Hydrophilic Silica Nanoparticles in Porous Media: Quantitative and Qualitative Analysis. Manuscript submitted for publication. In N. Abu Thabit (Ed.), Nano- and Micro-Encapsulation - Techniques and Applications IntechOpen Publisher.

Aggregation of Partially Hydrophilic Silica Nanoparticles in Porous Media: Quantitative and Qualitative Analysis. / Irawann, Sonny.

Nano- and Micro-Encapsulation - Techniques and Applications. ed. / Nedal Abu Thabit. IntechOpen Publisher, 2020.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Irawann, S 2020, Aggregation of Partially Hydrophilic Silica Nanoparticles in Porous Media: Quantitative and Qualitative Analysis. in N Abu Thabit (ed.), Nano- and Micro-Encapsulation - Techniques and Applications. IntechOpen Publisher.
Irawann S. Aggregation of Partially Hydrophilic Silica Nanoparticles in Porous Media: Quantitative and Qualitative Analysis. In Abu Thabit N, editor, Nano- and Micro-Encapsulation - Techniques and Applications. IntechOpen Publisher. 2020
Irawann, Sonny. / Aggregation of Partially Hydrophilic Silica Nanoparticles in Porous Media: Quantitative and Qualitative Analysis. Nano- and Micro-Encapsulation - Techniques and Applications. editor / Nedal Abu Thabit. IntechOpen Publisher, 2020.
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