Article
Multidisciplinary Sciences
Jinhyung Cho, Baehyun Min, Moon Sik Jeong, Young Woo Lee, Kun Sang Lee
Summary: The combination of carbon capture and storage with CO2-enhanced oil recovery can help balance business demands with the need to address climate change. Injecting liquefied petroleum gas (LPG) along with CO2 can improve performance by reducing miscibility pressure, but may lead to asphaltene deposition issues. Despite some drawbacks, adding LPG has been shown to enhance oil recovery and overall CCS performance compared to CO2 injection alone.
SCIENTIFIC REPORTS
(2021)
Article
Geochemistry & Geophysics
Rong-tao Li, Xin-wei Liao, Jian-dong Zou, Chang-wang Gao, Dong-feng Zhao, Yuan-dong Zhang, Xing-ze Zhou
Summary: The study comprehensively investigated the mechanisms and adverse effects of asphaltene precipitation using experimental and numerical methods. Experimental results showed that asphaltene precipitation increases with pressure before reaching the minimum miscible pressure (MMP), peaks around the MMP, and then decreases slowly. The adverse effects on porosity and permeability resulted from asphaltene deposition were similar to the trend of asphaltene precipitation under the influence of pressure, asphaltene content, and temperature.
Article
Energy & Fuels
Yapeng Tian, Zhan Qu, Ping Wang, Nannan Liu, Binshan Ju, Jie Zhan, Mingxian Wang, Yintao Dong
Summary: This study is the first to use the modified Peng-Robinson equation of state (PR-EOS) considering fluid-solid interaction to study the effect of wettability on asphaltene precipitation in CO2 injection into shale reservoirs. The results show that wettability plays a significant role in asphaltene precipitation, and there is a coupling effect between wettability and CO2 in shale oil.
Article
Energy & Fuels
Ronald Nguele, Hikaru Hirota, Yuichi Sugai, Kyuro Sasaki
Summary: The study indicates that the use of polymer-based nanofluid can effectively reduce asphaltene adsorption in CO2 oil recovery, with nanofluid exhibiting superior interfacial tension reduction compared to water, and can reduce asphaltene adsorption by providing steric hindrance.
Article
Energy & Fuels
Fabio P. Nascimento, Veronica J. Pereira, Renan P. Souza, Rui C. A. Lima, Gloria M. N. Costa, Paulo T. V. Rosa, Ana F. Forca, Silvio A. B. Vieira de Melo
Summary: In this study, the PVT properties of a crude oil from the Brazilian pre-salt layer were experimentally investigated, and the calculated results using PR-EoS were found to be in agreement with the experimental data. The experimental data showed a decrease in AOP and an increase in BP as temperature rises.
Article
Engineering, Petroleum
Mukhtar Elturki, Abdulmohsin Imqam
Summary: Gas-enhanced oil recovery by nitrogen injection is efficient but may cause asphaltene deposition. This research focused on nitrogen impact on asphaltene precipitation in nanopores, leading to pore plugging and reduced oil recovery. Increasing nitrogen injection pressure and longer mixing time resulted in higher asphaltene content, causing significant pore plugging.
Article
Energy & Fuels
Behnam Shahsavani, Masoud Riazi, Mohammad Reza Malayeri
Summary: The precipitation behavior of asphaltene is controlled by the concentration and relative distribution of sub-fractions within oils 1, 2, and 3, while different ions affect the size of water droplets and the presence of asphaltene in emulsions. The addition of tetrahydrofuran (THF) slows down asphaltene precipitation by diluting the oil phase at the oil/water interface.
Article
Energy & Fuels
Mukhtar Elturki, Abdulmohsin Imqam
Summary: It is essential to investigate gas injection methods to produce the trapped oil in unconventional resources. However, the injection process can cause asphaltene depositions inside the reservoir, leading to plugging of pores and oil recovery reduction. This study examines the significance of CO2 injection in oil recovery and identifies the critical parameters that could impact the effectiveness of CO2 huff-n-puff operation in unconventional formations.
Article
Energy & Fuels
Elahe Beheshti, Hosein Doryani, Mohammad Reza Malayeri, Masoud Riazi
Summary: This study investigates the use of Co3O4 nanoparticles in preventing asphaltene precipitation in oil production. Results show that nanoparticles positively impact asphaltene stability, but intense precipitation occurs when nanoparticles adhere to glass surfaces. The concentration of nanoparticles also affects precipitation intensity, with 0.05 wt% being found as the optimal concentration for preventing asphaltene deposition.
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
(2021)
Article
Energy & Fuels
Mitchell Huffman, H. Scott Fogler
Summary: Asphaltenes are molecules in crude oil that can be dissolved in aromatic solvents but precipitate in the presence of n-alkanes. There are a large number of different molecules classified as asphaltenes in crude oil. Experimental results showed that the amphiphile head group has an effect on asphaltene destabilization and aggregation.
Article
Energy & Fuels
Xing Huang, Yu Zhang, Mengqing He, Xiang Li, Weipeng Yang, Jun Lu
Summary: This study investigates the characteristics of asphaltene precipitation under different CO2 flooding conditions and evaluates the damage degree and impact on oil displacement efficiency in different types of reservoirs. The results show that asphaltene precipitation has high damage on permeability but little effect on porosity. Additionally, the use of surfactants can reduce the wettability reversal caused by asphaltene precipitation.
Article
Thermodynamics
Saeid Ghasemi, Taraneh Jafari Behbahani, Mohsen Mohammadi, Mohammad Reza Ehsani, Ali Reza Khaz'ali
Summary: This study investigated the phase behavior of asphaltenes in Iranian oil samples and performed thermodynamic modeling using the PC-SAFT equation of state. The simultaneous adjustment of model parameters improved the accuracy of asphaltene precipitation prediction in heavy oil samples. However, no significant improvement was observed for light oil samples.
FLUID PHASE EQUILIBRIA
(2022)
Article
Environmental Sciences
A. M. Norouzi, V Niasar, J. G. Gluyas, M. Babaei
Summary: Salt precipitation during CO2 injection into saline aquifers is a significant phenomenon that reduces permeability and injectivity. Capillary pressure drives brine backflow in water-wet systems, leading to more precipitation. We developed an analytical solution considering the effect of capillary pressure, which was validated using numerical simulations. The solution accurately estimated the influence of capillary pressure on injectivity impairment due to salt precipitation.
WATER RESOURCES RESEARCH
(2022)
Article
Green & Sustainable Science & Technology
Kamil Urbanek, Kaja Spilarewicz, Jiaguo Yu, Wojciech Macyk
Summary: This work designed an advanced photocatalytic system composed of titanium dioxide (P25) and mSFO (Sn-doped magnetite with Fe-doped cassiterite) for gas phase CO2 reduction. A synthesis route of mSFO composite was proposed, and the obtained material was characterized by various techniques. The mSFO/P25 system showed photocatalytic reduction ability of CO2 to CO, which was confirmed by the use of labeled carbon dioxide. The surface photovoltage and electrochemical measurements supported the S-scheme mechanism.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Energy & Fuels
Yongqi Wang, Zhiqiang Fan, Qilin Wang, Ziqiu Xue, Dayong Wang
Summary: Lattice Boltzmann simulations were used to investigate the efficiency of various CO2 injection modes for enhancing oil recovery and CO2 sequestration. The study found that under pure-CO2 injection, preferential flow paths were formed, displacing residual oil and sequestering CO2. Water-alternating-gas (WAG) injection showed improved oil recovery efficiency by expanding the sweep area for subsequent CO2 injection. However, certain residual oil droplets remain undisplaced throughout the injection process, and the capacity of CO2 sequestration needs to consider the replacement of residual oil droplets by water.
Article
Environmental Sciences
Meysam Omidvar, Mohammad Reza Malayeri, Farshad Farshchi Tabrizi, Mohammad Mahdi Doroodmand
Summary: Fat, oil, and grease deposits are the main cause of sewer blockage, leading to environmental issues, health hazards, and increased costs for municipalities. This study investigates the impact of used cooking oils on deposit formation and explores the differences in chemical structure and properties between fresh and used oils.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Chemical
Aliye Mohseni, Leila Mahmoodi, M. Reza Malayeri
Summary: This study firstly predicted the critical mixing ratio of formation water and seawater using PHREEQC at different temperatures. Secondly, it experimentally studied the performance of two green scale inhibitors (folic acid and inulin) to determine their optimum concentration and pH for calcite mitigation. The results showed that the inhibition efficiency of the inhibitors increased with temperature. SEM and TGA analyses were also conducted to understand their inhibition mechanisms and thermal performance.
ADVANCED POWDER TECHNOLOGY
(2023)
Article
Thermodynamics
Sadaf Rahimi, S. M. Peyghambarzadeh, H. Kazemi Esfeh, Shima Azizi, M. R. Malayeri
Summary: The research investigated the use of air injection to reduce crystallization fouling. Experiments were conducted in a vertical annular channel under subcooled flow boiling conditions. The results showed that increasing the air injection frequency and fluid temperature effectively reduced fouling resistance.
APPLIED THERMAL ENGINEERING
(2023)
Article
Thermodynamics
Sadaf Rahimi, S. M. Peyghambarzadeh, H. Kazemi Esfeh, Shima Azizi, M. R. Malayeri
Summary: Deposit formation in heat exchangers is an undesirable process that can reduce their performance and efficiency. This research investigated the impact of fluid bulk temperature (Tb) on the deposition of CaCO3 solution under convective heat transfer and subcooled flow boiling conditions. The study found that Tb significantly influenced the mechanism of deposit formation, changing the fouling resistance curve and crystal type of the deposit layer. The results also showed that heat flux and fluid flow rate had different effects on fouling rate depending on Tb and heat flux levels.
APPLIED THERMAL ENGINEERING
(2023)
Article
Energy & Fuels
Vadim Fetisov, Adam M. M. Gonopolsky, Maria Yu. Zemenkova, Schipachev Andrey, Hadi Davardoost, Amir H. H. Mohammadi, Masoud Riazi
Summary: This study determines the costs of using CO2 capture technologies in the refining and petrochemical sectors. Depending on the process and method used, CO2 emissions costs of EUR 30 to 40 per ton of CO2 can be avoided. Advanced low-temperature CO2 capture technologies may not provide significant benefits compared to conventional technologies. An analysis estimated a reduction potential of about 0.5-1 Gt/yr for the oil and gas industries using short- and long-term technologies. The integration of CO2 capture into the oil production process helps reduce costs and emissions.
Article
Thermodynamics
Atefeh Zarei, M. Reza Malayeri
Summary: Micro heat exchangers with high surface-to-volume ratio are gaining attention for their superior heat transfer performance. However, deposition on their surfaces when subjected to fouling fluids is a major concern. This study experimentally investigates the crystallization fouling of calcium sulfate on micro-structured surfaces during convective heat transfer.
EXPERIMENTAL HEAT TRANSFER
(2023)
Article
Thermodynamics
M. Esawy, Amir Hossein Nikoo, M. Reza Malayeri
Summary: The superiority of enhanced boiling on structured heat transfer surfaces is due to excessive bubble generation and behavior as well as the latent heat of evaporation. While these factors lead to higher heat transfer coefficients, they also accelerate fouling for aqueous solutions with inverse solubility. The study finds that Turbo-B tubes demonstrate better anti-fouling behavior compared to plain tubes and low finned tubes.
APPLIED THERMAL ENGINEERING
(2023)
Article
Polymer Science
Aliasghar Parsaie, Masoud Riazi, Abdolreza Kazemi Abadshapoori, Mohammad Mohammadi-Khanaposhtani, Yousef Tamsilian
Summary: This study focused on the effects of sponge density and magnesium stearate loadings on the separation performance of superhydrophobic magnesium stearate coated-polyurethane. The results showed that the surface of the sponge became rougher after being coated with magnesium stearate, while the sponge density had no significant impact on the water contact angle and oil absorption rate. The absorption capacity of the modified sponges for various oils and solvents was also tested and showed promising results.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Engineering, Chemical
Ehsan Jafari, M. Reza Malayeri, Heike Brueckner, Peter Krebs
Summary: This study investigated the effects of various operating parameters on the removal efficiency of turbidity from synthetic wastewater using electrocoagulation-flotation (ECF) with aluminium electrodes. The optimal conditions for achieving 90% turbidity removal were found to be a current density of 0.0028 A/cm2, an initial pH of 7.3, an operating time of 5 min, and a stirring speed of 500 rpm.
MINERALS ENGINEERING
(2023)
Article
Energy & Fuels
Ali Khalilnezhad, Hosein Rezvani, Alireza Talebi, Parastoo Ganji, Tina Puntervold, Masoud Riazi
Summary: The purpose of this research is to investigate the use of aluminananoparticles in low-salinity brine for enhanced oil recovery in carbonate oil reservoirs. Analyses including oil/water interfacial tension, zeta potential, and rock wettability were performed to select the optimized dispersions for spontaneous imbibition tests. The results showed that the addition of alumina nanoparticles in low-salinity brine can significantly reduce the oil/water interfacial tension, improve the wettability of the rock, and enhance oil production.
Article
Energy & Fuels
A. Sanati, M. R. Malayeri, O. Busse, J. J. Weigand, M. Beckmann
Summary: Chemical injection is an effective method to enhance oil recovery, and this study focuses on the interfacial activity of halogen-free ionic liquid-based catanionic surfactants. The results demonstrate that the synthesized surfactant with medium-chain ionic liquid (n=8) and sodium dodecyl sulfate has higher interfacial activity, lower crude oil-brine interfacial tension, and good wettability alteration. Moreover, the adsorption density of this surfactant onto the dolomite surface is considerably lower compared to the control experiment. The findings suggest that this catanionic surfactant has great potential for future chemical enhanced oil recovery applications.
Article
Multidisciplinary Sciences
Milad Mohammadpour, M. Reza Malayeri, Yousef Kazemzadeh, Masoud Riazi
Summary: This study investigates the formation and stability of emulsions by measuring the colloidal instability index (CII) under ambient and reservoir conditions. The research finds that when CII is greater than 1.059, the formed emulsion is more stable as a result of the excessive instability of asphaltene. However, when CII is below 1.059, the emulsion tends to be less stable. Higher pressures enhance the stability of the emulsion.
SCIENTIFIC REPORTS
(2023)
Review
Energy & Fuels
Amin Sharifi, Rohaldin Miri, Masoud Riazi
Summary: The surfactant EOR is considered a promising approach for enhancing oil recovery due to the changing energy supply and demand and the non-renewable nature of world oil reservoirs. However, surfactants face challenges such as high adsorption, low stability, and poor performance in harsh conditions like high temperature, high salinity, and dense carbonate rocks. There is currently no established procedure or framework for systematically selecting the best surfactant for EOR in dense carbonates.
Article
Energy & Fuels
Leila Mahmoodi, Amir Hossein Nikoo, M. Reza Malayeri, Masoud Riazi
Summary: This study investigates the most significant removal mechanisms of shear force, rolling, and rebound for asphaltene deposits under field operating conditions. The findings reveal that the removal of asphaltene is controlled by shear force, rolling, and rebound under geological conditions, while the impact of oil properties, casing diameter, and casing material is negligible. Additionally, larger asphaltene particles have a higher possibility of removal. The sticking probability is examined to calculate the proportion of precipitated asphaltene particles that will ultimately attach to the casing surface.
GEOENERGY SCIENCE AND ENGINEERING
(2023)
Article
Environmental Sciences
Ehsan Jafari, M. Reza Malayeri, Heike Brueckner, Thomas Weimer, Peter Krebs
Summary: The performance of the electrocoagulation-flotation (ECF) process can be improved by using a new spiral electrode configuration. The new configuration reduces energy consumption and improves removal efficiency of contaminants from industrial wastewater. Enhanced flow hydrodynamics also leads to a reduction in foam formation.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
