Static adsorption and mathematical model applied in EOR using a supramolecular surfactant

Nieto-Alvarez, David Aaron; Luna-Rojero, Erick E.; Marín‐León, Adlai; Cerón‐Camacho, Ricardo; Nieto-Rivero, Carlos J.T.; Zamudio‐Rivera, Luis S.

doi:10.1016/j.petrol.2020.108200

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…The static adsorption experiments are performed according to the Nieto–Alvarez’s method. , In brief, quartz sand samples (3 g) are placed in a conical flask (100 mL), and then the solution (45 mL) with different surfactant concentrations is added. The mixture is stirred for 24 h at 25 and 60 °C, respectively.…”

Section: Methodsmentioning

confidence: 99%

Effect of Rhamnolipid Amidation on Biosurfactant Adsorption Loss and Oil-Washing Efficiency

Lin

Wang

et al. 2022

Langmuir

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Surfactant adsorption loss seriously hinders the economy of surfactant binary flooding technology for enhancing oil recovery, especially for biosurfactants with higher manufacturing costs. Here, biosurfactant rhamnolipid (RL) is chemically modified to develop a more efficient surfactant, rhamnolipid monoethanol amide (RL-MEA), which is characterized by decreased adsorption loss and increased oil-washing efficiency for enhanced oil recovery at a laboratory scale. Synthesis and characterization of the rhamnolipid monoethanol amide are carried out using high-performance liquid chromatography (HPLC), HPLC/MS, 1H nuclear magnetic resonance (NMR), and Fourier transform infrared (FTIR) spectroscopy. The aggregation behavior is disclosed by surface tension, dynamic light scattering, and fluorescence spectra with pyrene as the probe. The applied performances of RL-MEA in the simulated enhanced oil recovery are researched, including the efficiency of oil washing, wettability to crude oil, and adsorption isotherms on silicates. Compared with the critical micelle concentration (CMC) of rhamnolipid of 14.23 × 10–5 M in pure water and 9.02 × 10–5 M in 0.2 M NaCl solution, the modified RL-MEA shows a significantly lower CMC of 7.15 × 10–5 M in pure water and 5.34 × 10–5 M in 0.2 M NaCl solution. More importantly, the modified RL-MEA reduces adsorption loss by 20% and enhanced oil-washing efficiency at higher temperatures and salt concentrations compared with the parent RLs. These findings would provide valuable information for developing efficient surfactant flooding agents for harsh reservoir geological conditions.

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Section: Methodsmentioning

confidence: 99%

Effect of Rhamnolipid Amidation on Biosurfactant Adsorption Loss and Oil-Washing Efficiency

Lin

Wang

et al. 2022

Langmuir

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“…A characteristic property of supramolecular amphiphiles is that their self‐assembly structure has enhanced properties compared to monomeric surfactants and their performance and properties for EOR are better than mixtures or formulations. The use of supramolecular surfactants for cEOR is relatively recent, and there is scarce literature that focuses upon their use by the oil industry or for cEOR processes (Nieto‐Alvarez et al, 2021; Soto‐Castruita et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Static and dynamic adsorption of supramolecular surfactant for oil recovery in high temperature and salinity conditions

Nieto-Alvarez

Marín‐León

Luna-Rojero

et al. 2023

J Surfact & Detergents

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The adsorption of a supramolecular surfactant formed by the non‐covalent interactions among sodium (E)‐dodec‐2‐ene‐1‐sulfonate, sodium 3‐hydroxydodecane‐1‐sulfonate and 3‐[(3‐dodecanoylamidopropyl)dimethylazaniumyl]‐2‐hydroxypropane‐1‐sulfonate onto limestone under static and dynamic conditions in the presence of seawater and connate water is presented. In the static test at 70°C and atmospheric pressure, the adsorption capacity of the saturated monolayer was 8.65 mg/g for seawater and 4.05 mg/g for connate water. This behavior was associated with the increase of the critical micellar concentration from 217 ppm in seawater to 672 ppm in connate water, which is related to the capacity of the supramolecular surfactant to form complexes at high salinity and hardness. The dynamic experiment was carried out at 130°C with a pressure of 16,500 kPa, a flow rate of 90 mL/h and a dose of 2000 ppm of the surfactant. An adsorption of 0.230 mg/g was found in seawater, while a value of 0.109 mg/g was obtained in connate water, consistent with the static experiment. In addition, spontaneous imbibition experiments for connate and connate water with 2000 ppm of surfactant showed an increase in the oil recovery factor from 3% to 17% in the presence of surfactant at 100°C. It was observed that the rock changed from oil‐wettable to water‐wettable, indicating that the supramolecular complex retains its capability to form the monolayer on the rock surface. In contrast to the ionic and cationic conventional surfactants, the experimental evidence indicates that the surfactant preserves its properties under the extreme conditions found in mature Mexican carbonate reservoirs.

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Experimental and computational investigations on foaming properties of anionic-nonionic-zwitterionic surfactants and amino acid compounds to address the liquid loading of natural gas wells

Dong

Fan

Liu

et al. 2023

Journal of Molecular Liquids

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Static adsorption and mathematical model applied in EOR using a supramolecular surfactant

Cited by 3 publications

References 27 publications

Effect of Rhamnolipid Amidation on Biosurfactant Adsorption Loss and Oil-Washing Efficiency

Effect of Rhamnolipid Amidation on Biosurfactant Adsorption Loss and Oil-Washing Efficiency

Static and dynamic adsorption of supramolecular surfactant for oil recovery in high temperature and salinity conditions

Experimental and computational investigations on foaming properties of anionic-nonionic-zwitterionic surfactants and amino acid compounds to address the liquid loading of natural gas wells

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