Effect of nanofluid on CO2-wettability reversal of sandstone formation; implications for CO2 geo-storage

Ali, Muhammad; Sahito, Muhammad Faraz; Jha, Nilesh Kumar; Arain, Zain-UL-Abedin; Memon, Shoaib; Keshavarz, Alireza; Iglauer, Stefan; Saeedi, Ali; Sarmadivaleh, Mohammad

doi:10.1016/j.jcis.2019.10.028

Cited by 137 publications

(74 citation statements)

References 88 publications

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“…There are different methods used for measuring the wetting state of rock, but the most-used method is the contact angle method. This method is used to measure the contact angle between wetting and non-wetting phase [59][60][61]. In this study, contact angle values between dodecanoyl-glucosamine surfactant and kerosene were conducted as shown in (Figure 10).…”

Section: Contact Angle Measurementsmentioning

confidence: 99%

Effect of Environment-Friendly Non-Ionic Surfactant on Interfacial Tension Reduction and Wettability Alteration; Implications for Enhanced Oil Recovery

et al. 2020

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Production from mature oil reservoirs can be optimized by using the surfactant flooding technique. This can be achieved by reducing oil and water interfacial tension (IFT) and modifying wettability to hydrophilic conditions. In this study, a novel green non-ionic surfactant (dodecanoyl-glucosamine surfactant) was synthesized and used to modify the wettability of carbonate reservoirs to hydrophilic conditions as well as to decrease the IFT of hydrophobic oil–water systems. The synthesized non-ionic surfactant was characterized by Fourier transform infrared spectroscopy (FTIR) and chemical shift nuclear magnetic resonance (HNMR) analyses. Further pH, turbidity, density, and conductivity were investigated to measure the critical micelle concentration (CMC) of surfactant solutions. The result shows that this surfactant alters wettability from 148.93° to 65.54° and IFT from 30 to 14 dynes/cm. Core-flooding results have shown that oil recovery was increased from 40% (by water flooding) to 59% (by surfactant flooding). In addition, it is identified that this novel non-ionic surfactant can be used in CO2 storage applications due to its ability to alter the hydrophobicity into hydrophilicity of the reservoir rocks.

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Section: Contact Angle Measurementsmentioning

confidence: 99%

Effect of Environment-Friendly Non-Ionic Surfactant on Interfacial Tension Reduction and Wettability Alteration; Implications for Enhanced Oil Recovery

et al. 2020

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“…Contact angle experiments showed the ability of the surfactant to chemical treat and wettability alteration of carbonate rocks to gas-wet. Gas-wettability of the rock has been studied in the field of CO 2 storage in the reservoirs as well (Ali et al 2019(Ali et al , 2020.…”

Section: Introductionmentioning

confidence: 99%

Wettability alteration and enhanced gas condensate recovery by treatment of carbonate reservoir rock using supercritical R134A and R404A gases

Nowrouzi

Manshad

Mohammadi

2020

J Petrol Explor Prod Technol

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The pressure drop around the well in the production from a gas condensate reservoir causes the formation of condensate in the area before it reaches the well and surface space. This condensate and occasionally water in the porous medium can block the well and create an additional pressure drop. Studies show that the chemical treatment of this area eliminates the problem by altering the reservoir rock wettability toward a moderate and strong gasphilicity. For this purpose, fluoropolymers-, fluorosurfactants-, and fluorochemicals-coated nanoparticles can be used. In this work, we have studied two types of fluoride gas namely R134A and R404A, which are widely used in refrigeration industry as refrigerant gases, perfumery, and industrial detergents. The basis of this study was the aging of rock samples in thin sections and plugs in these two gases at different pressures above the critical pressures of them at 70 °C at different times and then conducting the contact angle experiments by placing the drop of water and condensate on the cross sections and then performing imbibition tests using plugs. The results show that in addition to the efficiency of both gases in wettability alteration to gasphilic, the gasphilic intensity obtained at constant temperature depends on the pressure and the aging time of the samples.

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“…The wettability of the rock surfaces is related to the hydrophilicity (or hydrophobicity) of the aqueous phase in an aqueous/nonaqueous phase liquid/rock three-phase system [1][2][3][4][5][6][7]. This is generally determined by the contact angle between the rock surface and the fluid [2,3,[8][9][10]. The wettability, by the mechanism of intermolecular forces between fluids and solids, induces capillary forces and strongly influences the fluid displacements, which is crucial to the oil recovery from the Earth's subsurface reservoirs, CO 2 geosequestration, groundwater remediation, etc.…”

Section: Introductionmentioning

confidence: 99%

“…However, the wettability measurement technique varies for different scales. For instance, wettability measurements are carried out using the United States Bureau of Mines (USBM), Amott, and Amott-Harvey methods when cylindrical rock core plugs are used [1], whereas measurements of contact angle through sessile drop methods gives leverage on the choice of a range of pressure and temperatures when a rock plate/thin section (rock representative surface) is used [2,3]. Wettability of a flat and homogeneous solid surface can be given by Young's equation based on thermodynamics, while surface heterogeneity and three-phase contact line dynamics contribute to wetting hysteresis [2,4,6,24].…”

Section: Introductionmentioning

confidence: 99%

In Situ Wettability Investigation of Aging of Sandstone Surface in Alkane via X-ray Microtomography

et al. 2020

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Wettability of surfaces remains of paramount importance for understanding various natural and artificial colloidal and interfacial phenomena at various length and time scales. One of the problems discussed in this work is the wettability alteration of a three-phase system comprising high salinity brine as the aqueous phase, Doddington sandstone as porous rock, and decane as the nonaqueous phase liquid. The study utilizes the technique of in situ contact angle measurements of the several 2D projections of the identified 3D oil phase droplets from the 3D images of the saturated sandstone miniature core plugs obtained by X-ray microcomputed tomography (micro-CT). Earlier works that utilize in situ contact angles measurements were carried out for a single plane. The saturated rock samples were scanned at initial saturation conditions and after aging for 21 days. This study at ambient conditions reveals that it is possible to change the initially intermediate water-wet conditions of the sandstone rock surface to a weakly water wetting state on aging by alkanes using induced polarization at the interface. The study adds to the understanding of initial wettability conditions as well as the oil migration process of the paraffinic oil-bearing sandstone reservoirs. Further, it complements the knowledge of the wettability alteration of the rock surface due to chemisorption, usually done by nonrepresentative technique of silanization of rock surface in experimental investigations.

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Effect of nanofluid on CO2-wettability reversal of sandstone formation; implications for CO2 geo-storage

Cited by 137 publications

References 88 publications

Effect of Environment-Friendly Non-Ionic Surfactant on Interfacial Tension Reduction and Wettability Alteration; Implications for Enhanced Oil Recovery

Effect of Environment-Friendly Non-Ionic Surfactant on Interfacial Tension Reduction and Wettability Alteration; Implications for Enhanced Oil Recovery

Wettability alteration and enhanced gas condensate recovery by treatment of carbonate reservoir rock using supercritical R134A and R404A gases

In Situ Wettability Investigation of Aging of Sandstone Surface in Alkane via X-ray Microtomography

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