Fengrui Sun
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View article: Bibliometric Analysis of Nanotechnological Optical Sensors for the Detection of Environmental Pollutants
Bibliometric Analysis of Nanotechnological Optical Sensors for the Detection of Environmental Pollutants Open
View article: Development of a Natech Social Vulnerability Index: A Comprehensive Multi-Hazard Risk Assessment for a Case Study in Colombia
Development of a Natech Social Vulnerability Index: A Comprehensive Multi-Hazard Risk Assessment for a Case Study in Colombia Open
Natech refers to complex scenarios where secondary technological accidents are triggered by natural disasters, having the potential to cause severe societal loss, especially in developing countries such as Colombia, potentially due to its …
View article: Numerical Simulation Study on Optimization of Development Parameters of Condensate Gas Reservoirs
Numerical Simulation Study on Optimization of Development Parameters of Condensate Gas Reservoirs Open
Due to the retrograde condensation phenomenon in the development process, the fluid phase change is complex, and it becomes particularly difficult to accurately describe the fluid flow characteristics and residual oil and gas distribution …
View article: Geological Controls on Gas Content of Deep Coal Reservoir in the Jiaxian Area, Ordos Basin, China
Geological Controls on Gas Content of Deep Coal Reservoir in the Jiaxian Area, Ordos Basin, China Open
Deep coalbed methane (DCBM) reservoirs hold exceptional potential for diversifying energy sources. The Ordos Basin has attracted much attention due to its enormous resource reserves of DCBM. This work focuses on the Jiaxian area of the Ord…
View article: Evaluation of Deep Coalbed Methane Potential and Prediction of Favorable Areas within the Yulin Area, Ordos Basin, Based on a Multi-Level Fuzzy Comprehensive Evaluation Method
Evaluation of Deep Coalbed Methane Potential and Prediction of Favorable Areas within the Yulin Area, Ordos Basin, Based on a Multi-Level Fuzzy Comprehensive Evaluation Method Open
The research on the deep coalbed methane (CBM) in the Ordos Basin is mostly concentrated on the eastern margin of the basin. The geological resources of the Benxi Formation in the Yulin area, located in the central-eastern part, cover 15,0…
View article: Permeability Evolution of Bituminous Coal and Its Dynamic Control, a Case Study from the Southeastern Ordos Basin, China
Permeability Evolution of Bituminous Coal and Its Dynamic Control, a Case Study from the Southeastern Ordos Basin, China Open
Coalbed methane (CBM) reservoirs’ permeability is the result of dynamic variations influenced by tectonics, hydrology and the CBM production process. Taking samples from the southeastern Ordos Basin, China, the permeability evolution of bi…
View article: Vibrational Analysis and Optimization of a Water Injection Pipeline in a High-pressure Plunger Pump
Vibrational Analysis and Optimization of a Water Injection Pipeline in a High-pressure Plunger Pump Open
The vibration of water injection pipeline systems in oilfields creates challenges in terms of safe long-term operation. To fully understand the vibration mechanism of plunger-powered high-pressure water injection pipelines, we conducted fl…
View article: Intelligent classification of coal structure using multinomial logistic regression, random forest and fully connected neural network with multisource geophysical logging data
Intelligent classification of coal structure using multinomial logistic regression, random forest and fully connected neural network with multisource geophysical logging data Open
View article: Gas and water performance from the full-cycle of coalbed methane enrichment-drainage-output: A case study of Daning-jixian area in the eastern margin of Ordos Basin
Gas and water performance from the full-cycle of coalbed methane enrichment-drainage-output: A case study of Daning-jixian area in the eastern margin of Ordos Basin Open
Coalbed water (CBW), as a stratigraphic fluid, is stored and transported together with coalbed methane (CBM), and has an important influence on the generation, transport, enrichment and production patterns of CBM. In order to study the int…
View article: Study on the Electrical Control Mechanism of Gas Occurrence in a Microscale Coal Matrix
Study on the Electrical Control Mechanism of Gas Occurrence in a Microscale Coal Matrix Open
The study of the gas occurrence mechanism in a microscale coal matrix is the basis of coalbed methane (CBM) reservoir formation mechanism analysis and its exploration and development scheme design, which has important scientific and engine…
View article: Microstructure Characterization Techniques for Shale Reservoirs: A Review
Microstructure Characterization Techniques for Shale Reservoirs: A Review Open
The microstructure of shale reservoirs refers to the distribution of mineral–organic matter, pore–fracture features, diagenetic processes, and their interrelations. The comprehensive and accurate analysis of the shale microstructure plays …
View article: Review on Applications of X-ray Computed Tomography for Coal Characterization: Recent Progress and Perspectives
Review on Applications of X-ray Computed Tomography for Coal Characterization: Recent Progress and Perspectives Open
This research was funded by the National Natural Science Foundation of China (grant nos. 42130806, 41830427, 41922016 and 42102227).
View article: Summary of ten innovations in the machinery field---the analysis on material processing contrary the mechanical principles etc.
Summary of ten innovations in the machinery field---the analysis on material processing contrary the mechanical principles etc. Open
Ten innovations in the mechanics field are summarized. For the pre-published innovations, only the results are introduced. 1) The analysis of the diamond cutting tools characteristics based on the principle of the metal outflicting the woo…
View article: The Impact Of Psychological Empowerment On Work Engagement Among University Faculty Members In China
The Impact Of Psychological Empowerment On Work Engagement Among University Faculty Members In China Open
Qian Meng, Fangfang Sun Department of Higher Education, College of Education, Bohai University, Jinzhou 121013, People’s Republic of ChinaCorrespondence: Qian MengDepartment of Higher Education, College of Education, Bohai University, 19 K…
View article: Constructal studies on hexagonal microchannel heat sinks based on multi-physics field coupling calculations
Constructal studies on hexagonal microchannel heat sinks based on multi-physics field coupling calculations Open
The design prototypes of four kinds of channel structures for three fluid recirculation ways, i.e. without reverting microchannels, with rim reverting microchannels and with central reverting microchannels, respectively, for the hexagonal …
View article: Effect of horizontal heterogeneity on productivity of cyclic superheated steam stimulation horizontal wells: numerical analysis
Effect of horizontal heterogeneity on productivity of cyclic superheated steam stimulation horizontal wells: numerical analysis Open
In recent decades, horizontal well has been widely used for heavy oil recovery. Besides, new developed thermal carriers, such as multi-component thermal fluid and superheated steam, have been proved effective in some oil fields. However, w…
View article: Effect of bottom water on performance of cyclic superheated steam stimulation using a horizontal well
Effect of bottom water on performance of cyclic superheated steam stimulation using a horizontal well Open
Horizontal well has been widely used for heavy-oil recovery in the petroleum industry. Besides, superheated steam has been proved effective in heavy-oil recovery by field practice. In this paper, a numerical model is established with the h…
View article: Slight insights and perspectives of future heavy oil recovery
Slight insights and perspectives of future heavy oil recovery Open
In this paper, we put forward critical future prospects based on the paper that was published on International Journal of Heat and Mass Transfer. At present, engineers are familiar with the advantages and disadvantages of different working…
View article: Effect of critical thickness on nanoconfined water fluidity: review, communication, and inspiration
Effect of critical thickness on nanoconfined water fluidity: review, communication, and inspiration Open
View article: Effect of physical heating on productivity of cyclic superheated steam stimulation wells
Effect of physical heating on productivity of cyclic superheated steam stimulation wells Open
Previous works have focused on the single factor analysis of the effects of chemical reactions of superheated steam with oil and rock minerals on the oil well productivity. However, the relationship between the factors and the contribution…
View article: New analytical equations for productivity estimation of the cyclic CO2-assisted steam stimulation process considering the non-Newtonian percolation characteristics
New analytical equations for productivity estimation of the cyclic CO2-assisted steam stimulation process considering the non-Newtonian percolation characteristics Open
The research course in the estimation of productivity of cyclic steam stimulation wells can be divided into three stages: (a) the mobility of heavy oil in the cold area is neglected, (b) the mobility of heavy oil in the cold area is consid…
View article: An analytical equation for oil transport in nanopores of oil shale considering viscosity distribution
An analytical equation for oil transport in nanopores of oil shale considering viscosity distribution Open
Huge amount of works was done on modeling of gas transport in nanopores (both organic and inorganic) of shale formation. However, the study on oil transport behaviors is quite limited. Based on the study on water transport in carbon nanotu…
View article: A brief communication on the effect of seawater on water flow in offshore wells at supercritical state
A brief communication on the effect of seawater on water flow in offshore wells at supercritical state Open
At present, the study of supercritical water (SCW) flow in wellbores is at the starting stage. In this paper, a simple but useful model is developed to study the effect of seawater on the thermophysical properties of SCW in offshore vertic…
View article: Gas-water relative permeability model for tight sandstone gas reservoirs
Gas-water relative permeability model for tight sandstone gas reservoirs Open
The pores in tight sandstone gas reservoir are mostly in microscale, and the gas water two-phase flow behavior through those pores is considerably complicated, thus, how to establish a reliable relative permeability model is the urgent pro…
View article: A mathematic model for characterizing the relationship between coal reservoir pressure and fluid saturation
A mathematic model for characterizing the relationship between coal reservoir pressure and fluid saturation Open
At present, the research on the gas water two-phase flow during the development process of coalbed methane reservoirs (CMB) is still weak. Numerous production prediction models and transient production data analysis methods have been devel…
View article: The heat and mass transfer characteristics of superheated steam in horizontal wells with toe-point injection technique
The heat and mass transfer characteristics of superheated steam in horizontal wells with toe-point injection technique Open
Little efforts were done on the heat and mass transfer characteristics of superheated steam (SHS) flow in the horizontal wellbores. In this paper, a novel numerical model is presented to analyze the heat and mass transfer characteristics o…
View article: Effect analysis of non-condensable gases on superheated steam flow in vertical single-tubing steam injection pipes based on the real gas equation of state and the transient heat transfer model in formation
Effect analysis of non-condensable gases on superheated steam flow in vertical single-tubing steam injection pipes based on the real gas equation of state and the transient heat transfer model in formation Open
View article: Effect of gaseous CO2 on superheated steam flow in wells
Effect of gaseous CO2 on superheated steam flow in wells Open
View article: Numerical simulation of superheated steam flow in dual-tubing wells
Numerical simulation of superheated steam flow in dual-tubing wells Open
In this paper, a novel model is presented to estimate the thermophysical properties of superheated steam (SHS) in dual-tubing wells (DTW). Firstly, a mathematical model comprised of the mass conservation equation, momentum balance equation…
View article: Comparative studies on constructal optimizations of discrete heat generation components based on entransy dissipation minimization and maximum temperature minimization
Comparative studies on constructal optimizations of discrete heat generation components based on entransy dissipation minimization and maximum temperature minimization Open
A three-dimensional (3D) turbulent heat dissipation model of cylindrical discrete heat generation components is established on a conductive basis. The whole solid section is set in a square channel with adiabatic walls, and the components,…