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81
Nanopore Confinement Effect on the Phase Behavior of CO2/Hydrocarbons in Tight Oil Reservoirs considering Capillary Pressure, Fluid-Wall Interaction, and Molecule Adsorption
Published 2021-01-01“…The findings of this study can also help for better understanding of a flow mechanism of tight oil reservoirs especially in the case of CO2 injection for enhancing oil recovery.…”
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82
Progress in Carbon Dioxide Capture and Storage (CCS) and Conversion Utilization Research
Published 2025-01-01“…Additionally, improvements in technology can enhance oil recovery rates. CO2 utilization transforms CO2 into high-value chemicals such as methane and carbon monoxide (CO) through thermal catalysis, photocatalysis, and electrocatalysis. …”
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83
Macroscopic Profile Modification and Microscopic Displacement Mechanism of Weak Gel Flowing in Porous Media
Published 2016-01-01“…Additionally, due to good viscoelasticity of weak gel, the negative pressure effect was formed enhancing oil recovery flow from small pore throats. Results of macroscopic physical sand pack flow experiment indicate positive influence of weak gel on vertical conformance control. …”
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84
Integrated Design Technology of Geological Engineering for Pressure Flooding and Water Injection in Low Permeability Reservoirs: Take the Reservoir of Keshang Formation in Wu2 East...
Published 2022-01-01“…Pressurized water injection is a new technology of unconventional water injection to enhance oil recovery, which can improve the production degree of low permeability reservoir reserves and solve the problem of water injection difficulty. …”
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85
Laboratory Study on the Potential EOR Use of HPAM/VES Hybrid in High-Temperature and High-Salinity Oil Reservoirs
Published 2013-01-01“…Polymer flooding represents one of the most efficient processes to enhance oil recovery, and partially hydrolyzed polyacrylamide (HPAM) is a widely used oil-displacement agent, but its poor thermal stability, salt tolerance, and mechanical degradation impeded its use in high-temperature and high-salinity oil reservoirs. …”
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86
Simulation and Optimization of Dynamic Fracture Parameters for an Inverted Square Nine-Spot Well Pattern in Tight Fractured Oil Reservoirs
Published 2020-01-01“…The results of this optimization are used to investigate the oil displacement mechanism of dynamic fractures and to discuss a mechanism to enhance oil recovery using an inverted square nine-spot well pattern. …”
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87
Controversial Issues of Hydrocarbon Field Formation and the Role of Geomagnetic Fields
Published 2022-01-01“…We briefly highlight the effect of magnetic fields on chemical reactions involving organic compounds and the use of magnetic fields to enhance oil recovery. We also present the leading causes of discrete magnetic fields in the sedimentary cover: Earth’s geomagnetic reversals, generation of ferromagnetic minerals in oil deposits, electromechanical effects of rock friction near faults, and intermixing of reservoir waters with different mineralization (spontaneous ion polarization). …”
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88
Prediction of Intraformational Remaining Oil Distribution Based on Reservoir Heterogeneity: Application to the J-Field
Published 2021-01-01“…At high water cut stage, the study of remaining oil distribution in water-flooding reservoir is the basis of implementing potential-tapping measures and enhancing oil recovery. At present, most of the oilfields in China have entered the stage of ultrahigh water cut. …”
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89
Experimental study on the simultaneous effect of smart water and clay particles on the stability of asphaltene molecule and emulsion phase
Published 2025-01-01“…Abstract Enhancing oil recovery in sandstone reservoirs, particularly through smart water flooding, is an appealing area of research that has been thoroughly documented. …”
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90
Experimental Study on Fe3O4 Nanoparticle-Assisted Microwave Enhancing Heavy Oil
Published 2022-01-01“…Obtaining the mechanism of nanoparticle-assisted microwave to enhance oil recovery, one of which is that nanoparticles improve the wave absorption and heating capacity of heavy oil and increase the heating speed of heavy oil; the second is that the nanoparticles form local high temperature under the action of microwave, which catalyzes the hydrocracking reaction between the heavy components in the heavy oil and the hydrogen donor, upgrading and reducing the viscosity of the heavy oil, and accelerating the production of heavy oil.…”
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91
Study on Viscosity Reducer Flooding Technology for Deep Low Permeability Extra Heavy Oil Reservoirs
Published 2021-01-01“…The results show that compared with waterflooding, the oil displacement efficiency of water-soluble viscosity reducer is increased by 12.7%; water-soluble viscosity reducer can effectively reduce the viscosity of extra heavy oil, under the same temperature and permeability, the higher the concentration of viscosity reducer, the better the viscosity reduction effect, and the smaller the pressure gradient required at the same injection rate; the main mechanism of water-soluble viscosity reducer for enhancing oil recovery is to form oil in water emulsion, which can reduce the viscosity and interfacial tension of crude oil and reduce the residual oil saturation; in the pilot well group, the optimized injection concentration of water-soluble viscosity reducer is 3%, and the optimal injection amount of water-soluble viscosity reducer solution is 50 t/d; water-soluble viscosity reducer displacement was implemented in the pilot well group, the average daily oil of well group was increased from 1.8 t/d to 7.34 t/d, and the pilot well group has achieved good development performance.…”
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92
Review on Phase Behavior in Tight Porous Media and Microscopic Flow Mechanism of CO2 Huff-n-Puff in Tight Oil Reservoirs
Published 2020-01-01“…Tight oil reservoirs will be the main target of exploration and development in the future, and CO2 huff-n-puff is one of the most important methods to enhance oil recovery factor of tight oil reservoirs in North America. …”
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93
The Architecture of BaTiO<sub>3</sub> Nanoparticles Synthesis via Temperature-Responsive for Improved Oil Recovery: A Molecular Dynamics Simulation and Core-Flooding Experimental S...
Published 2024-12-01“…The study focuses on using ferroelectric nanofluid in combination with an electromagnetic field to enhance oil recovery mechanisms. Three concentrations of BaTiO<sub>3</sub> nanofluid were prepared, and their effects on pressure and recovery factors were examined. …”
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94
How does the ultrasonic assist CO2 immiscible flooding?
Published 2025-03-01“…To address these issues, this paper proposes the use of ultrasonic-assisted CO2 immiscible flooding to enhance oil recovery (EOR) and analyzes its underlying mechanisms. …”
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95
Co-Optimization of Operational and Intelligent Completion Parameters of CO<sub>2</sub> Water-Alternating-Gas Injection Processes in Carbonate Reservoirs
Published 2025-01-01“…This is the first time that the co-optimization of the operational and intelligent completion parameters of a CO<sub>2</sub> WAG injection has been reported, which adds more information about the practical applications of MRC wells in CO<sub>2</sub> WAG injections for enhancing oil recovery in carbonate reservoirs.…”
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