Thermal Degradation Study of Hydrogel Nanocomposites for Oil Industry
Author Information
Author(s): Telin Aleksey, Safarov Farit, Yakubov Ravil, Gusarova Ekaterina, Pavlik Artem, Lenchenkova Lyubov, Dokichev Vladimir, Li Junjian
Primary Institution: Ufa Scientific and Technical Center, LLC.
Hypothesis
Can the addition of nanosilica improve the structural and mechanical properties of polyacrylamide hydrogels used in oil production?
Conclusion
The study found that hydrophilic nanosilica significantly enhances the structural and mechanical properties of hydrogels, allowing them to maintain their effectiveness for up to 19 months in reservoir conditions.
Supporting Evidence
- The addition of 0.4% hydrophilic nanosilica increased the elastic modulus of the hydrogel by almost two times.
- Hydrogels with nanosilica maintained their properties for 19 months at elevated temperatures.
- Filtration studies showed high selectivity and resistance factors for the developed nanocomposite in porous media.
Takeaway
This study shows that adding special tiny particles to a gel can make it stronger and help it last longer when used in oil wells.
Methodology
The study involved preparing hydrogels with varying amounts of nanosilica, testing their mechanical properties, and evaluating their thermal degradation at high temperatures.
Limitations
The study primarily focused on specific types of nanosilica and may not account for all possible variations in hydrogel formulations.
Digital Object Identifier (DOI)
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