Nanjun Lai
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View article: Integrating attention mechanisms in multi-scale image detection: a bibliometric analysis of research evolution and frontier trends
Integrating attention mechanisms in multi-scale image detection: a bibliometric analysis of research evolution and frontier trends Open
In recent years, image detection technology has faced many challenges, such as balancing efficiency and accuracy when dealing with complex environments, multi-scale, forgery generation, and dynamic scenes. In addition, the relevant researc…
View article: Preparation and Performance Evaluation of Modified Amino-Silicone Supercritical CO2 Viscosity Enhancer for Shale Oil and Gas Reservoir Development
Preparation and Performance Evaluation of Modified Amino-Silicone Supercritical CO2 Viscosity Enhancer for Shale Oil and Gas Reservoir Development Open
Against the backdrop of global energy transition and strict environmental regulations, supercritical carbon dioxide (scCO2) fracturing and oil displacement technologies have emerged as pivotal green approaches in shale gas exploitation, of…
View article: Correction: Matchim Kamden et al. A Comprehensive Study on DES Pretreatment Application to Microalgae for Enhanced Lipid Recovery Suitable for Biodiesel Production: Combined Experimental and Theoretical Investigations. Energies 2023, 16, 3806
Correction: Matchim Kamden et al. A Comprehensive Study on DES Pretreatment Application to Microalgae for Enhanced Lipid Recovery Suitable for Biodiesel Production: Combined Experimental and Theoretical Investigations. Energies 2023, 16, 3806 Open
The authors wish to make the following correction to this paper [...]
View article: Study on corrosion inhibition performance and mechanism of quinoline quaternary ammonium salt and l-methionine on pre-corrosion Q235 steel
Study on corrosion inhibition performance and mechanism of quinoline quaternary ammonium salt and l-methionine on pre-corrosion Q235 steel Open
The corrosion inhibition properties and mechanisms of quinoline quaternary ammonium salt (QA) and L-methionine (LM) on pre-corroded Q235 carbon steel in 1wt% HCl solution were studied using the weight loss method and molecular simulation t…
View article: Factors influencing the mobility control ability of diutan gum‐enhanced foam in porous media
Factors influencing the mobility control ability of diutan gum‐enhanced foam in porous media Open
Diutan gum (DG) is an anionic polysaccharide produced by Sphingomonas sp. ATCC 53159. The DG‐enhanced foam (DGEF) formed by the DG and foam has great application potential in enhanced oil recovery. In this research, the influence of inject…
View article: A Comprehensive Study on DES Pretreatment Application to Microalgae for Enhanced Lipid Recovery Suitable for Biodiesel Production: Combined Experimental and Theoretical Investigations
A Comprehensive Study on DES Pretreatment Application to Microalgae for Enhanced Lipid Recovery Suitable for Biodiesel Production: Combined Experimental and Theoretical Investigations Open
Cell wall disturbance is an important step in the downstream process of improving the efficiency of lipid extraction from microalgae. Surfactants have been proven to be efficient alternatives to organic solvents in the extraction process. …
View article: Development of Hydrophobic-Modified Nanosilica for Pressure Reduction and Injection Increase in an Ultra-Low-Permeability Reservoir
Development of Hydrophobic-Modified Nanosilica for Pressure Reduction and Injection Increase in an Ultra-Low-Permeability Reservoir Open
A low-permeability reservoir contains many fine pore throat structures, which result in excessive injection pressure of the water injection well and difficult water injection in the production process of a low-permeability reservoir. In th…
View article: Preparation of nano emulsion with high salt resistance
Preparation of nano emulsion with high salt resistance Open
In this paper, the high salt shale reservoir as the research object, through the combination of microemulsion dilution method and pseudo-ternary phase diagram to screen the salt resistance of good nano emulsion. In the system, D-limonene w…
View article: Alkyl carbamate ionic liquids for permeabilization of microalgae biomass to enhance lipid recovery for biodiesel production
Alkyl carbamate ionic liquids for permeabilization of microalgae biomass to enhance lipid recovery for biodiesel production Open
Microalgae are potential biomass source for biodiesel production. However, their strong cell walls make efficient lipid extraction problematic. Disrupting the cell wall is a key point in enhancing lipid yield from microalgae biomass. A new…
View article: Synthesis, Optimization, and Characterization of Fluorescent Particle Preformed Gel
Synthesis, Optimization, and Characterization of Fluorescent Particle Preformed Gel Open
Performed gels are widely used in fields to support profile modification and Enhance Oil Recovery. Previous studies of profile modification of performed gels mainly used the index of pressure, resistance factor, or residual resistance fact…
View article: Law and Mechanism Study on Salt Resistance of Nonionic Surfactant (Alkyl Glycoside) Foam
Law and Mechanism Study on Salt Resistance of Nonionic Surfactant (Alkyl Glycoside) Foam Open
In this paper, the effects of three cations, Ca2+, Mg2+, and Na+, on the stability of APG foams were investigated experimentally. The results show that cations can slow down the process of liquid drainage and coarsening of APG foam, which …
View article: Study on a Novel Water-Soluble Hydrophobically Associating Polymer as an Enhanced Heavy Oil Recovery Agent
Study on a Novel Water-Soluble Hydrophobically Associating Polymer as an Enhanced Heavy Oil Recovery Agent Open
In this study, emulsion-free radical reaction was applied to synthesize a novel sulfomethylating hydrophobically associating copolymer (HPDS) by using acrylamide, acrylic acid, NaHSO3, HCHO, and a laboratory-made N,N-divinylnonadeca-1,10-d…
View article: Synthesis of a Novel Filtrate Reducer and Its Application in Water-Based Drilling Fluid for Ultra-High-Temperature Reservoirs
Synthesis of a Novel Filtrate Reducer and Its Application in Water-Based Drilling Fluid for Ultra-High-Temperature Reservoirs Open
The high-temperature stability and filtration property controlling of ultra-high-temperature water-based drilling fluids is a worldwide problem. To resolve this problem, a high-temperature-resistant quaternary copolymer (HTRTP) was synthes…
View article: Migration characteristics and profile control capabilities of preformed particle gel in porous media
Migration characteristics and profile control capabilities of preformed particle gel in porous media Open
Inspired by the viscoelastic displacement theory, a product called preformed particle gel (PPG) is developed as conformance control agent to enhance oil recovery and control excess water production. The migration law of PPG suspension in p…
View article: Synthesis and Solution Properties of a Novel Hyperbranched Polymer Based on Chitosan for Enhanced Oil Recovery
Synthesis and Solution Properties of a Novel Hyperbranched Polymer Based on Chitosan for Enhanced Oil Recovery Open
A new type of chitosan-modified hyperbranched polymer (named HPDACS) was synthesized through the free-radical polymerization of surface-modified chitosan with acrylic acid (AA) and acrylamide (AM) to achieve an enhanced oil recovery. The o…
View article: CO2/N2-Responsive Nanoparticles for Enhanced Oil Recovery During CO2 Flooding
CO2/N2-Responsive Nanoparticles for Enhanced Oil Recovery During CO2 Flooding Open
During CO2 flooding, serious gas channeling occurs in ultra-low permeability reservoirs due to the high mobility of CO2. The chief end of this work was to research the application of responsive nanoparticles for mobility control to enhance…
View article: CO2 Capture With Absorbents of Tertiary Amine Functionalized Nano–SiO2
CO2 Capture With Absorbents of Tertiary Amine Functionalized Nano–SiO2 Open
To improve CO2 adsorption performance of nanoparticle absorbents, a novel tertiary amine functionalized nano-SiO2 (NS-NR2) was synthesized based on the 3-aminopropyltrimethoxysilane (KH540) modified nano-SiO2 (NS-NH2) via methylation. The …
View article: Performance Evaluation of an Anti Gas-Channeling System (Asphalt-Rigid Particle-Xanthan Gum) Applied in High-Temperature and High-Salinity Fractured Reservoir
Performance Evaluation of an Anti Gas-Channeling System (Asphalt-Rigid Particle-Xanthan Gum) Applied in High-Temperature and High-Salinity Fractured Reservoir Open
Asphalt and rigid particles have been chosen as the main blocking agent for solving the anti gas-channeling in high-temperature and high-salinity reservoirs. Particle size range and the concentration of suspending agent were firstly determ…
View article: Feasibility Study of Applying Modified Nano-SiO2 Hyperbranched Copolymers for Enhanced Oil Recovery in Low-Mid Permeability Reservoirs
Feasibility Study of Applying Modified Nano-SiO2 Hyperbranched Copolymers for Enhanced Oil Recovery in Low-Mid Permeability Reservoirs Open
To improve oil recovery significantly in low-mid permeability reservoirs, a novel modified nano-SiO2 hyperbranched copolymer (HPBS), consisting of polyacrylamide as hydrophilic branched chains and modified nano-SiO2 as the core, was synthe…
View article: Synthesis and Properties of Branched Polymer Based on Modified Chitosan for Enhanced Oil Recovery
Synthesis and Properties of Branched Polymer Based on Modified Chitosan for Enhanced Oil Recovery Open
In this study, chitosan and polyamide-amine(PAMAM) were utilized to prepare a branched polymer based on modified chitosan (HPDCS) for enhanced oil recovery(EOR). The structure of the product was confirmed by FT-IR, 1 HNMR and SEM. Compared…
View article: Development and application of polymetric surfactant emulsification and viscosity reduction system
Development and application of polymetric surfactant emulsification and viscosity reduction system Open
Compounding polymer AP-P4 with high viscosity-reducing Gemini Surfactant HD, which is used as an emulsifier viscosity reduce, to improve the stability of the O/W emulsion while the viscosity reduction rate is kept. A polymeric surfactant e…
View article: Shear Resistance Properties of Modified Nano-SiO2/AA/AM Copolymer Oil Displacement Agent
Shear Resistance Properties of Modified Nano-SiO2/AA/AM Copolymer Oil Displacement Agent Open
To address the problem regarding poor shear resistance of commonly employed polymers for oil displacement, modified nano-SiO2/AA/AM copolymer (HPMNS) oil displacement agents were synthesized using acrylic acid (AA), acrylamide (AM), and mo…