A comparative analysis of the effect of nanoparticles/surfactant assisted foam injection on the gas mobility control at different heterogeneities

Khandoozi, Sabber; Pourafshary, Peyman; Aidarova, Saule; Sharipova, А.

doi:10.1016/j.fuel.2023.128810

Cited by 5 publications

(3 citation statements)

References 66 publications

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“…However, harsh conditions in the reservoirs such as high pressure, high temperature, and high salinity might have a negative impact on surfactant-based foam efficiency 28 , 29 . Surfactants in these situations are prone to be more adsorbed to the rock surface and might lose their ability to maintain the foam stability 24 .…”

Section: Introductionmentioning

confidence: 99%

Experimental and data-driven analysis for predicting nanofluid performance in improving foam stability and reducing mobility at critical micelle concentration

Issakhov,

Khanjani,

Muratkhozhina

et al. 2024

Sci Rep

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Application of surfactant-based foam flooding is an effective approach to reduce mobility and control early breakthrough. Despite the proper performance of surfactant-based foams in decreasing the channeling of the flooded gas and water, high pressure, high temperature, and high salinity of the reservoirs put some limitations on the foam flooding efficiency. Nanoparticles are used to improve the quality of the foams, enhance stability, and transcend the limitations. Although there are many benefits of using nanoparticles in foam flooding, their performance at surfactant critical micelle concentration (CMC) is not fully investigated and the optimum nanoparticle concentration is not specified. In this study, an experimental investigation using nanosilica with surfactants at CMC to improve the stability (half-life) and mobility reduction factor (MRF) has been conducted. Furthermore, data from the literature were collected and analyzed to evaluate the change in MRF and stability for a nanofluid-based foam at CMC. Both experimental results and literature data showed that application of nanofluid-based foam is a successful approach to develop a more stable foam with lower mobility. Nanoparticle (NP) concentration is the dominant parameter at different salinities and temperatures that affects foam flow through porous media. The range of 0.2–0.4 wt% is the optimum nanoparticle concentration to develop a strong foam with acceptable performance in controlling mobility.

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Section: Introductionmentioning

confidence: 99%

Experimental and data-driven analysis for predicting nanofluid performance in improving foam stability and reducing mobility at critical micelle concentration

Issakhov,

Khanjani,

Muratkhozhina

et al. 2024

Sci Rep

Self Cite

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“…Nanoparticles enhance the properties of the foam and optimize its resistance to high temperature and pressure (Ojea-Jiménez et al, 2016;Gu et al, 2022). Remarkably, NPs can traverse through pores and throats in rocks without causing pore plugging, so NPs can adapt to harsh formation environments (Horozov, 2008;Hu et al, 2023;Khandoozi et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Modified silica nanoparticles stabilized foam for enhanced oil recovery

Yin,

Li,

Zhao

et al. 2024

Front. Energy Res.

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Foam has been successfully used to improve mobility control in the process of enhanced oil recovery, yet the instability of foam limits its application. Modified nanoparticles with varying wettability were prepared by reacting 3-methacryloxypropyltrimethoxysilane (KH570) with spherical SiO2 nanoparticles in this study. Fourier transform infrared (FTIR) spectra and the measured contact angles were used to characterize the surface properties of the modified SiO2 particles, and the foam stabilization effects of wettability SiO2 were compared. Pore-scale visualization experiments were conducted using a 2D micromodel to identify the prevailing enhanced oil recovery (EOR) mechanisms of modified nano SiO2-Sodium alpha-olefin Sulfonate (AOS) foam flooding. The results indicate that modified SiO2 effectively improves foam stability by adsorbing on the bubble surface and forming a mesh-like structure. The optimum contact angle of the particles is approximately 60°, resulting in a significant increase in drainage half-life by 29.4% compared to foam stabilized only by AOS. Additionally, Foam stabilized by modified SiO2 demonstrates superior dynamic stability and deformation resistance. The modified SiO2 stabilized foam exhibits enhanced interfacial viscoelasticity and plugging and profile control performance, surpassing AOS foam in displacing more residual oil in dead-end pores. The oil recovery of the micro model was determined by ImageJ software. KH570@SiO2 (0.2wt%)-AOS (0.2wt%) foam flooding increased the recovery by 8.7% compared to AOS (0.2wt%) foam flooding.

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“…Fortunately, the utilization of foam, which consists of gas bubbles interconnected by delicate liquid films, can effectively surmount these challenges and enhance the sweep efficiency of gas injection enhanced oil recovery (EOR) techniques [3][4][5][6]. Due to this ability, foam is widely used in conventional or unconventional reservoirs to overcome the poor sweep efficiency of gas injection [7][8][9]. Furthermore, foam can expand the storage capacity for CO 2 sequestration in aquifers [10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Mitigation of Gravity Segregation by Foam to Enhance Sweep Efficiency

Wang¹,

Su²,

Huang

et al. 2023

Applied Sciences

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Foam-assisted gas injection exhibits promising potential for enhancing sweep efficiency through the amelioration of gravity segregation, particularly within reservoirs characterized by heterogeneity. In this work, the implicit-texture (IT) model featuring two flow regimes is employed to examine the impact of heterogeneity on gravity segregation. The validation of the numerical results for water–gas coinjection and pre-generated foam injection is accomplished through a comparative analysis with analytical solutions. A hypothetical two-layer model with varying permeabilities and thickness ratios is used to examine the impact of foam on gravity segregation. The numerical findings demonstrate satisfactory conformity with analytical solutions in homogeneous reservoirs. A high-permeability top layer in a layered model with a fixed injection rate results in sweep efficiency similar to that of a homogeneous reservoir with each individual permeability. A low-permeability top layer could increase the sweep efficiency, but with severe permeability contrast, the bottom high-permeability layer could impact the displacement process, even with a thin thickness. The sweep efficiency increases with the thickness of the high-permeability top layer and decreases with a thicker low-permeability top layer under fixed injection pressure. The predicted segregation length through a single-layer approximation cannot match the results of the layered models where the permeability contrast is too great or the thickness of two layers is comparable.

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A comparative analysis of the effect of nanoparticles/surfactant assisted foam injection on the gas mobility control at different heterogeneities

Cited by 5 publications

References 66 publications

Experimental and data-driven analysis for predicting nanofluid performance in improving foam stability and reducing mobility at critical micelle concentration

Experimental and data-driven analysis for predicting nanofluid performance in improving foam stability and reducing mobility at critical micelle concentration

Modified silica nanoparticles stabilized foam for enhanced oil recovery

Mitigation of Gravity Segregation by Foam to Enhance Sweep Efficiency

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