Comprehensive review on surfactant adsorption on mineral surfaces in chemical enhanced oil recovery

Liu, Zilong; Zhao, Ge; Brewer, Mark; Lv, Qichao; Sudhölter, Ernst J. R.

doi:10.1016/j.cis.2021.102467

Cited by 124 publications

(60 citation statements)

References 313 publications

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“…Two of the most common models used to fit the adsorption isotherms of surfactants are the Langmuir and Freundlich isotherms, which describe the phenomena of adsorption with non-linear curves [24]. According to the Langmuir model, the adsorption occurs in a monolayer fashion and there is no interaction between molecules [26]. The isotherm is given by the following equation:…”

Section: Static Adsorption Experimentsmentioning

confidence: 99%

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AOT + Polyethylene Glycol Eutectics for Enhanced Oil Recovery

et al. 2021

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Eutectic solvents are currently being proposed as useful chemicals for enhanced oil recovery (EOR). In this work, for the first time, the preparation of eutectics based on surfactants and polymers was proposed for this application. These chemicals can be tailored to offer the most desired properties for oil recovery: water/oil interfacial tension reduction and increase of the aqueous phase viscosity, while concomitantly facilitating their handling due to their liquid character at ambient conditions. Sodium bis(2-ethylhexyl)sulfosuccinate (AOT) and polyethylene glycol (PEG) of three different molecular weights (namely 600, 1000, and 2000 g/mol) were paired in a search for eutectic behaviors. Melting temperatures for all the systems were determined by differential scanning calorimetry. The most promising combination was AOT + PEG-600, which exhibited a melting point of 275 K and thermal stability up to 473 K at a 40:60 molar ratio. A promising value of 5.1 × 10−2 mN/m was obtained for the interfacial tension between the optimized formulation and crude oil. The formulation was tested in core-holder experiments to extract oil from a sandstone rock at room temperature, achieving an encouraging 34% of additional oil recovery after the secondary extraction.

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Section: Static Adsorption Experimentsmentioning

confidence: 99%

“…On the other hand, the Freundlich model describes multilayer adsorption [26] with the following equation:…”

Section: Static Adsorption Experimentsmentioning

confidence: 99%

AOT + Polyethylene Glycol Eutectics for Enhanced Oil Recovery

et al. 2021

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“…The adsorption of surfactants in porous media is one of the challenges in surfactant flooding [ 7 , 8 ]. This phenomenon occurs when the surfactant molecules gather at the liquid–solid interface due to rock–fluid interactions [ 9 ]. Oil reservoirs can be classified as carbonate or sandstone.…”

Section: Introductionmentioning

confidence: 99%

Adsorption Study of Novel Gemini Cationic Surfactant in Carbonate Reservoir Cores—Influence of Critical Parameters

et al. 2022

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Surfactant flooding is an enhanced oil recovery method that recovers residual and capillary trapped oil by improving pore-scale displacement efficiency. Low retention of injected chemicals is desired to ensure an economic and cost-effective recovery process. This paper examines the adsorption behavior of a novel gemini cationic surfactant on carbonate cores. The rock cores were characterized using an X-ray diffraction (XRD) spectroscope. In addition, the influence of critical parameters on the dynamic adsorption of the cationic gemini surfactant was studied by injecting the surfactant solution through carbonate cores in a core flooding apparatus until an equilibrium state was achieved. The concentration of surfactant was observed using high performance liquid chromatography. Experimental results showed that an increasing surfactant concentration causes higher retention of the surfactant. Moreover, increasing the flow rate to 0.2 mL/min results in lowering the surfactant retention percentage to 17%. At typical high salinity and high temperature conditions, the cationic gemini surfactant demonstrated low retention (0.42 mg/g-rock) on an Indiana limestone core. This study extends the frontier of knowledge in gemini surfactant applications for enhanced oil recovery.

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“…However, the loss of surfactant at the rock-water interface would decrease surfactants concentration, then decrease the surfactants efficiency of EOR process ( Tangparitkul et al, 2018 ). The loss of surfactant can occur from the adsorption of surfactant onto reservoir surfaces ( Liu et al, 2021 ). In addition, surfactants adsorption would influence solid surface wettability, and alter the surface property ( Altamash et al, 2021 ; Hou and Sun 2021 ).…”

Section: Introductionmentioning

confidence: 99%

“…The results showed that the ionic liquids surfactants adsorption quantity was low, and the surfactants aggregation would increase the surfactants adsorption quantity. The surfactants adsorption onto rock surface could be controlled by the surface charge of rocks and surfactants ( Liu et al, 2021 ; Ruan et al, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Study of the Adsorption Behavior of Surfactants on Carbonate Surface by Experiment and Molecular Dynamics Simulation

Hou

Lin

2022

Front. Chem.

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Surfactants adsorption onto carbonate reservoirs would cause surfactants concentrations decrease in surfactant flooding, which would decrease surfactant efficiency in practical applications of enhanced oil recovery (EOR) processes. Different surfactants could be classified as cationic surfactants, anionic surfactants, non-ionic surfactants according to the main charge, or be classified as chemical surfactant and bio-surfactant according to the surfactant origin. However, the research on different type surfactants adsorption on carbonate reservoirs surface differences was few. Therefore, five representative surfactants (CTAB, SDS, TX-100, sophorolipid, rhamonilipid) adsorption effect onto carbonate reservoirs surface was studied. Owing to the fact that the salinity and temperature in underground carbonate reservoirs were high during the EOR process, it is vital to study the salinity effect and temperature effect on surfactant adsorption. In this study, different surfactants species, temperature and salinity adsorption onto carbonate reservoirs were studied. The adsorption isotherms were fitted by Langmuir, Freundlich, Temkin and Linear models, and the first three models fitting effect were good. The results showed that cationic surfactants adsorption quantity was higher than anionic surfactants, and the non-ionic surfactants adsorption quantity was the lowest. When the temperature increased, the surfactants adsorption would decrease, because the adsorption process was exothermic process, and increasing temperature would inhibit the adsorption. The higher salinity would increase surfactants adsorption because higher salinity could compress electric double layer. In order to decrease surfactants adsorption, SiO2 nanoparticles and TiO2 nanoparticles were added to surfactants solutions, and then surfactants could adsorb onto nanoparticles surface, then the steric hindrance between surfactant molecules would increase, which could decrease surfactants adsorption. Contact angle results indicated that surfactants adsorption made the carbonate reservoir wettability alteration. In the end, surfactants (with or without SiO2 nanoparticles) adsorption onto carbonate reservoirs mechanism were studied by molecular dynamics simulation. The simulation results indicated that the surfactants molecules could adsorb onto SiO2 nanoparticles surface, and then the surfactants adsorption quantity onto carbonate rocks would decrease, which was in accordance with the experiments results.

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Comprehensive review on surfactant adsorption on mineral surfaces in chemical enhanced oil recovery

Cited by 124 publications

References 313 publications

AOT + Polyethylene Glycol Eutectics for Enhanced Oil Recovery

AOT + Polyethylene Glycol Eutectics for Enhanced Oil Recovery

Adsorption Study of Novel Gemini Cationic Surfactant in Carbonate Reservoir Cores—Influence of Critical Parameters

Study of the Adsorption Behavior of Surfactants on Carbonate Surface by Experiment and Molecular Dynamics Simulation

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