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
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
Energy & Fuels
Mukhtar Elturki, Abdulmohsin Imqam
Summary: This study investigated the effects of cyclic N-2 injection on oil recovery and asphaltene precipitation in shale cores. The results showed that cyclic N-2 injection increased oil recovery but worsened the wettability of the cores, leading to asphaltene deposition and pore plugging.
Article
Energy & Fuels
Nurafiqah Abdullah, Nurul Hasan
Summary: This study investigates the effects of miscible CO2 injection on production recovery in the Cornea Field and validates the model. It is found that increasing reservoir pressure, temperature, and CO2 injection rate can enhance oil production. The research aims to fill the knowledge gap in the Cornea Field regarding the effectiveness of CO2 injection.
JOURNAL OF PETROLEUM EXPLORATION AND PRODUCTION TECHNOLOGY
(2021)
Article
Energy & Fuels
Danchen Li, Soheil Saraji, Zunsheng Jiao, Ye Zhang
Summary: The study investigated the efficiency of different injection strategies for simultaneous CO2 EOR and storage in ultra-low permeability core samples. Water alternative gas injection was found to be more effective than continuous gas injection, while cyclic gas injection provided the most efficient strategy for enhanced oil recovery in the tight rocks studied.
Article
Geochemistry & Geophysics
Anlun Wang, Xiaoqing Zhao, Jianguang Wei, Lisha Zhao, Guangliang An, Xiaofeng Zhou, Jiangtao Li, Xuedong Shi, Ying Yang, Gen Li
Summary: Miscible CO2 flooding is an effective method for oil recovery, but the heterogeneity at the pore level can significantly affect its efficiency. This study proposes a method based on NMR T-2 spectrum to determine the distribution of residual oil in sandstone without the need for additional agents. The results show that the residual oil is mainly distributed in small pore throats, and the heterogeneity of pore size affects the displacement efficiency. There are also unswept areas with residual oil that can be targeted for further improvement.
Review
Energy & Fuels
Maryam Mohdsaeed H. I. Abdulla, Shaligram Pokharel
Summary: This paper provides a review of the application of immiscible CO2 injection in enhanced oil recovery. It evaluates the practicality of screening reservoir parameters for immiscible CO2 injection and discusses the critical parameters included in the analytical model for oil recovery calculations.
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
(2022)
Article
Engineering, Chemical
An Zhang, Yalin Lei, Chenjun Zhang, Jiaping Tao
Summary: CO2 pre-injection fracturing is a promising technique for recovering continental shale oil, with advantages of enhancing oil recovery, geological CO2 storage, and reducing water consumption. Compared to conventional CO2 huff and puff and flooding, CO2 pre-injection features higher injection rates and pressures, leading to improved EOR and CO2 storage performance.
Article
Chemistry, Multidisciplinary
Hye-Seung Lee, Jinhyung Cho, Young-Woo Lee, Kun-Sang Lee
Summary: The study demonstrates that impurities in CO2 streams can have an impact on enhanced oil recovery and carbon capture and storage performance. Different types and concentrations of impurities affect the maximum miscibility pressure (MMP) of the oil-gas mixture, leading to decreased displacement efficiency and reduced oil density.
APPLIED SCIENCES-BASEL
(2021)
Article
Energy & Fuels
Hang Yin, Jiachao Ge, Bob Cook, Barry Smith, Furqan Hussain
Summary: Water-saturated CO2 injection improves CO2 sweep efficiency during CO2 enhanced oil recovery. Previous studies focused on investigating it as a secondary oil recovery method, while CO2 injection usually follows water injection, which is referred to as a tertiary recovery method.
INTERNATIONAL JOURNAL OF COAL GEOLOGY
(2023)
Article
Engineering, Chemical
Krishna Raghav Chaturvedi, Durgesh Ravilla, Waquar Kaleem, Prashant Jadhawar, Tushar Sharma
Summary: This study investigates the impact of varying salinity on the CO2 loading capacity of water and finds that the low salinity (LS) water-alternating-gas (WAG) process has potential for achieving high oil recovery rates under different test temperatures. It is also observed that an increase in pressure has a positive effect on CO2 loading, while an increase in temperature shows the opposite behavior. The reduction in water salinity is identified as a favorable factor in terms of CO2 storage and oil recovery performance during CO2 injection.
CHEMICAL ENGINEERING SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Xinliang Chen, Hongwei Yu, An Cao, Zhengming Yang, Wen Li, Zhongkun Niu, Yilin Chang, Meng Du
Summary: This study investigates the mechanism by which oil recovery can be enhanced through different CO2 injection methods in miscible flooding to mitigate the influence of heterogeneous reservoirs. A double-layer long core was designed and prepared for four CO2 displacement experiments with different injection methods. By analyzing the injection-production parameters, the displacement effects of different injection methods were compared, and the mechanism of enhanced oil recovery (EOR) was summarized. The results indicate that the displacement efficiency of the different injection methods follows the order of alternate CO2-water injection, continuous CO2 flooding, cyclic CO2 flooding, and alternate CO2-hydrocarbon gas injection. The recovery of crude oil via CO2 miscible flooding in heterogeneous reservoirs relies on convective diffusion and miscible mass transfer, and it is necessary to choose an injection method that optimizes both aspects to improve the recovery efficiency.
Article
Engineering, Chemical
Lijun Zhang, Tianwei Sun, Xiaobing Han, Jianchao Shi, Jiusong Zhang, Huiting Tang, Haiyang Yu
Summary: This study investigates the CO2 injection development in tight-oil reservoirs in the Ordos Basin. The results demonstrate that advanced CO2 injection can effectively enhance oil recovery and achieve CO2 sequestration. Well pattern adjustment significantly improves CO2 storage and reduces gas-oil ratio in production wells. Furthermore, well pattern adjustment supplements formation energy, extends the production lives of wells, and increases sweep efficiency and oil recovery.
Article
Energy & Fuels
Mingyu Cai, Yuliang Su, Yongmao Hao, Yingchun Guo, Derek Elsworth, Lei Li, Dongsheng Li, Xinyu Li
Summary: Dynamic monitoring of CO2 flooding using online low-field NMR imaging revealed that recovery by miscible flooding was significantly higher than immiscible flooding, primarily due to remnant dissolved CO2 in the miscible zone. CO2 concentrations at the leading edge of the miscible zone were higher than in the immediately adjacent transition zone, and the CO2 retention rate following miscible flooding was also notably higher compared to immiscible flooding.
Review
Energy & Fuels
Narendra Kumar, Marcio Augusto Sampaio, Keka Ojha, Hussein Hoteit, Ajay Mandal
Summary: This review extensively discusses the various technical aspects of enhancing oil production through the application of miscible CO2, identifying significant research gaps. It covers multiple aspects from theoretical analysis to laboratory experiments and field applications, providing valuable information for a better understanding of this topic.
Article
Chemistry, Analytical
Atena Sharbatian, Ali Abedini, ZhenBang Qi, David Sinton
ANALYTICAL CHEMISTRY
(2018)
Article
Geochemistry & Geophysics
Ali Abedini, Mansour Rezaei Azizi, Ali Asghar Calagari
ACTA GEODYNAMICA ET GEOMATERIALIA
(2018)
Article
Geochemistry & Geophysics
Ali Abedini, Maryam Khosravi, Ali Asghar Calagari
JOURNAL OF GEOCHEMICAL EXPLORATION
(2019)
Article
Geochemistry & Geophysics
Ali Abedini, Mansour Rezaei Azizi, Ali Asghar Calagari
ACTA GEODYNAMICA ET GEOMATERIALIA
(2019)
Article
Geosciences, Multidisciplinary
Ali Abedini, Mansour Rezaei Azizi
ACTA GEOLOGICA SINICA-ENGLISH EDITION
(2019)
Article
Geosciences, Multidisciplinary
Ali Abedini, Mansour Rezaei Azizi, Ali Asghar Calagari
ACTA GEOLOGICA SINICA-ENGLISH EDITION
(2019)
Article
Geosciences, Multidisciplinary
Ali Abedini, Masoud Habibi Mehr, Maryam Khosravi, Ali Asghar Calagari
ARABIAN JOURNAL OF GEOSCIENCES
(2019)
Article
Multidisciplinary Sciences
Ayrat Gizzatov, Scott Pierobon, Zuhair AlYousef, Guoqing Jian, Xingyu Fan, Ali Abedini, Amr I. Abdel-Fattah
Summary: The study focuses on the utilization of microfluidic reservoir analogues for rapid evaluation and screening of commercial surfactants' performance in generating supercritical CO2 foam under high pressure, temperature, and salinity conditions. The microfluidic analogue offers accurate assessment of foam strength and requires minimal liquid usage.
SCIENTIFIC REPORTS
(2021)
Article
Energy & Fuels
Thomas W. de Haas, Bo Bao, Hugo Acosta Ramirez, Ali Abedini, David Sinton
Summary: Thermal recovery processes such as SAGD are commonly used for bitumen extraction. Co-injecting foaming surfactants with noncondensable gases along with steam can improve steam chamber behavior, and microfluidics is a useful tool for evaluating surfactant performance at relevant conditions.
Article
Energy & Fuels
Frode Ungar, Sourabh Ahitan, Shawn Worthing, Ali Abedini, Knut Uleberg, Tao Yang
Summary: Micro and nano-fluidic devices are increasingly used in the oil industry for studies, and a new slim-tube method was designed to determine Maximum Miscible Pressure (MMP) on a microfluidic chip. The new design contains porous media to achieve a true multi-contact process in gas displacement. Tests showed that the new fluidics device produced MMP results very close to traditional slim-tube tests.
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
(2022)
Review
Energy & Fuels
Ali Abedini, Sourabh Ahitan, Zahra Barikbin, Vikram Soni, John Ratulowski, David Sinton
Summary: Microfluidics presents a significant opportunity for fluid analysis in the energy industry. It is capable of addressing fluid challenges under extreme conditions and offers competitive phase property analyses with established bulk methods. Microfluidics has advantages in terms of speed, cost, control, and sample size.
Article
Energy & Fuels
ZhenBang Qi, Scott Pierobon, Owen Serediak, Jonathon Le, Adam Pettigrew, Ali Abedini
Summary: This study investigates the performance of polymer flooding in thief zones using a microfluidic analogue. It is found that polymer flooding has a higher displacement efficiency in multiple permeability zones, leading to a significant increase in oil recovery.
Article
Biochemical Research Methods
Arnav Jatukaran, Junjie Zhong, Ali Abedini, Atena Sherbatian, Yinuo Zhao, Zhehui Jin, Farshid Mostowfi, David Sinton
Article
Biochemical Research Methods
ZhenBang Qi, Lining Xu, Yi Xu, Junjie Zhong, Ali Abedini, Xiang Cheng, David Sinton
Article
Energy & Fuels
Yingna Du, Chen Huang, Wei Jiang, Qiangwei Yan, Yongfei Li, Gang Chen
Summary: In this study, anionic surfactants modified hydrotalcite was used as a flow improver for crude oil under low-temperature conditions. The modified hydrotalcite showed a significant viscosity reduction effect on crude oil. The mechanism of the modified hydrotalcite on viscosity and pour point of crude oil was explored through characterization and analysis of the modified hydrotalcite and oil samples.
Article
Energy & Fuels
Mohammad Saeid Rostami, Mohammad Mehdi Khodaei
Summary: In this study, a hybrid structure, MIL-53(Al)@MWCNT, was synthesized by combining MIL-53(Al) particles and -COOH functionalized multi-walled carbon nanotube (MWCNT). The hybrid structure was then embedded in a polyethersulfone (PES) polymer matrix to prepare a mixed matrix membrane (MMM) for CO2/CH4 and CO2/N2 separation. The addition of MWCNTs prevented MIL-53(Al) aggregation, improved membrane mechanical properties, and enhanced gas separation efficiency.
Article
Energy & Fuels
Yunlong Li, Desheng Huang, Xiaomeng Dong, Daoyong Yang
Summary: This study develops theoretical and experimental techniques to determine the phase behavior and physical properties of DME/flue gas/water/heavy oil systems. Eight constant composition expansion (CCE) tests are conducted to obtain new experimental data. A thermodynamic model is used to accurately predict saturation pressure and swelling factors, as well as the phase boundaries of N2/heavy oil systems and DME/CO2/heavy oil systems, with high accuracy.
Article
Energy & Fuels
Morteza Afkhamipour, Ebad Seifi, Arash Esmaeili, Mohammad Shamsi, Tohid N. Borhani
Summary: Non-conventional amines are being researched worldwide to overcome the limitations of traditional amines like MEA and MDEA. Adequate process and thermodynamic models are crucial for understanding the applicability and performance of these amines in CO2 absorption, but studies on process modeling for these amines are limited. This study used rate-based modeling and Deshmukh-Mather method to model CO2 absorption by DETA solution in a packed column, validated the model with experimental data, and conducted a sensitivity analysis of mass transfer correlations. The study also compared the CO2 absorption efficiency of DETA solution with an ionic solvent [bmim]-[PF6] and highlighted the importance of finding optimum operational parameters for maximum absorption efficiency.
Article
Energy & Fuels
Arastoo Abdi, Mohamad Awarke, M. Reza Malayeri, Masoud Riazi
Summary: The utilization of smart water in EOR operations has gained attention, but more research is needed to understand the complex mechanisms involved. This study investigated the interfacial tension between smart water and crude oil, considering factors such as salt, pH, asphaltene type, and aged smart water. The results revealed that the hydration of ions in smart water plays a key role in its efficacy, with acidic and basic asphaltene acting as intrinsic surfactants. The pH also influenced the interfacial tension, and the aged smart water's interaction with crude oil depended on asphaltene type, salt, and salinity.
Article
Energy & Fuels
Dongao Zhu, Kun Zhu, Lixian Xu, Haiyan Huang, Jing He, Wenshuai Zhu, Huaming Li, Wei Jiang
Summary: In this study, cobalt-based metal-organic frameworks (Co-based MOFs) were used as supports and co-catalysts to confine the NHPI catalyst, solving the leaching issue. The NHPI@Co-MOF with carboxyl groups exhibited stronger acidity and facilitated the generation of active oxygen radicals O2•, resulting in enhanced catalytic activity. This research provides valuable insights into the selection of suitable organic linkers and broadens the research horizon of MOF hybrids in efficient oxidative desulfurization (ODS) applications.
Article
Energy & Fuels
Edwin G. Hoyos, Gloria Amo-Duodu, U. Gulsum Kiral, Laura Vargas-Estrada, Raquel Lebrero, Rail Munoz
Summary: This study investigated the impact of carbon-coated zero-valent nanoparticle concentration on photosynthetic biogas upgrading. The addition of nanoparticles significantly increased microalgae productivity and enhanced nitrogen and phosphorus assimilation. The presence of nanoparticles also improved the quality of biomethane produced.
Article
Energy & Fuels
Yao Xiao, Asma Leghari, Linfeng Liu, Fangchao Yu, Ming Gao, Lu Ding, Yu Yang, Xueli Chen, Xiaoyu Yan, Fuchen Wang
Summary: Iron is added as a flocculant in wastewater treatment and the hydrothermal carbonization (HTC) of sludge produces wastewater containing Fe. This study investigates the effect of aqueous phase (AP) recycling on hydrochar properties, iron evolution and environmental assessment during HTC of sludge. The results show that AP recycling process improves the dewatering performance of hydrochar and facilitates the recovery of Fe from the liquid phase.
Article
Energy & Fuels
He Liang, Tao Wang, Zhenmin Luo, Jianliang Yu, Weizhai Yi, Fangming Cheng, Jingyu Zhao, Xingqing Yan, Jun Deng, Jihao Shi
Summary: This study investigated the influence of inhibitors (carbon dioxide, nitrogen, and heptafluoropropane) on the lower flammability limit of hydrogen and determined the critical inhibitory concentration needed for complete suppression. The impact of inhibitors on explosive characteristics was evaluated, and the inhibitory mechanism was analyzed with chemical kinetics. The results showed that with the increase of inhibitor quantity, the lower flammability limit of hydrogen also increased. The research findings can contribute to the safe utilization of hydrogen energy.
Article
Energy & Fuels
Zonghui Liu, Zhongze Zhang, Yali Zhou, Ziling Wang, Mingyang Du, Zhe Wen, Bing Yan, Qingxiang Ma, Na Liu, Bing Xue
Summary: In this study, high-performance solid catalysts based on phosphotungstic acid (HPW) supported on Zr-SBA-15 were synthesized and evaluated for the one-pot conversion of furfural (FUR) to γ-valerolactone (GVL). The catalysts were characterized using various techniques, and the ratio of HPW and Zr was found to significantly affect the selectivity of GVL. The HPW/Zr-SBA-15 (2-4-15) catalyst exhibited the highest GVL yield (83%) under optimized reaction conditions, and it was determined that a balance between Bronsted acid sites (BAS) and Lewis acid sites (LAS) was crucial for achieving higher catalytic performance. The reaction parameters and catalyst stability were also investigated.
Article
Energy & Fuels
Michael Stoehr, Stephan Ruoff, Bastian Rauch, Wolfgang Meier, Patrick Le Clercq
Summary: As part of the global energy transition, an experimental study was conducted to understand the effects of different fuel properties on droplet vaporization for various conventional and alternative fuels. The study utilized a flow channel to measure the evolution of droplet diameters over time and distance. The results revealed the temperature-dependent effects of physical properties, such as boiling point, liquid density, and enthalpy of vaporization, and showed the complex interactions of preferential vaporization and temperature-dependent influences of physical properties for multi-component fuels.
Article
Energy & Fuels
Yuan Zhuang, Ruikang Wu, Xinyan Wang, Rui Zhai, Changyong Gao
Summary: Through experimental validation and optimization of the chemical kinetic model, it was found that methanol can accelerate the oxidation reaction of ammonia, and methanol can be rapidly oxidized at high concentration. HO2 was found to generate a significant amount of OH radicals, facilitating the oxidation of methanol and ammonia. Rating: 7.5/10.
Article
Energy & Fuels
Radwan M. EL-Zohairy, Ahmed S. Attia, A. S. Huzayyin, Ahmed I. EL-Seesy
Summary: This paper presents a lab-scale experimental study on the impact of diethyl ether (DEE) as an additive to waste cooking oil biodiesel with Jet A-1 on combustion and emission features of a swirl-stabilized premixed flame. The addition of DEE to biodiesel significantly affects the flame temperature distribution and emissions. The W20D20 blend of DEE, biodiesel, and Jet A-1 shows similar flame temperature distribution to Jet A-1 and significantly reduces UHC, CO, and NOx emissions compared to Jet A-1.
Article
Energy & Fuels
Jiang Bian, Ziyuan Zhao, Yang Liu, Ran Cheng, Xuerui Zang, Xuewen Cao
Summary: This study presents a novel method for ammonia separation using supersonic flow and develops a mathematical model to investigate the condensation phenomenon. The results demonstrate that the L-P nucleation model accurately characterizes the nucleation process of ammonia at low temperatures. Numerical simulations also show that increasing pressure and concentration can enhance ammonia condensation efficiency.
Article
Energy & Fuels
Shiyuan Pan, Xiaodan Shi, Beibei Dong, Jan Skvaril, Haoran Zhang, Yongtu Liang, Hailong Li
Summary: Integrating CO2 capture with biomass-fired combined heat and power (bio-CHP) plants is a promising method for achieving negative emissions. This study develops a reliable data-driven model based on the Transformer architecture to predict the flowrate and CO2 concentration of flue gas in real time. The model validation shows high prediction accuracy, and the potential impact of meteorological parameters on model accuracy is assessed. The results demonstrate that the Transformer model outperforms other models and using near-infrared spectral data as input features improves the prediction accuracy.