Junbin Chen
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View article: Kaiser acoustic emission ground stress testing study on shale oil reservoir in Y block of Ordos basin, China
Kaiser acoustic emission ground stress testing study on shale oil reservoir in Y block of Ordos basin, China Open
The determination of rock mechanics parameters and in-situ stress during the development process of "horizontal well + volume fracturing" for shale oil reservoirs in Block Y of the Ordos Basin can provide a basis for fracturing schemes and…
View article: Multi‐Objective Configuration and Economic Dispatch of Hybrid Distribution Network Using Energy Router
Multi‐Objective Configuration and Economic Dispatch of Hybrid Distribution Network Using Energy Router Open
The AC/DC hybrid distribution network flexibly accommodates various power sources and loads, adapting to the growing penetration of distributed photovoltaic (PV) and electric vehicles (EVs). An Energy Router (ER), a device with multiple el…
View article: Scale-specific effects of urban landscape pattern on the COVID-19 epidemic in Hangzhou, China
Scale-specific effects of urban landscape pattern on the COVID-19 epidemic in Hangzhou, China Open
Context Understanding the scale-specific effects of different landscape variables on the COVID-19 epidemics is critical for developing the precise and effective prevention and control strategies within urban areas. Objective Based on the l…
View article: Geological characteristics and volume fracturing adaptability of tight oil reservoirs in the Ordos Basin of China
Geological characteristics and volume fracturing adaptability of tight oil reservoirs in the Ordos Basin of China Open
In recent years, China’s dependence on foreign crude oil has gradually increased. The Ordos Basin has abundant oil, gas, and coal resource. Tight oil and shale reservoirs have become very important replacement resources. This article studi…
View article: A New Method for Evaluating the Brittleness of Shale Oil Reservoirs in Block Y of Ordos Basin of China
A New Method for Evaluating the Brittleness of Shale Oil Reservoirs in Block Y of Ordos Basin of China Open
The brittleness index, as the most important parameter for brittleness evaluation, directly affects the compressibility of unconventional reservoirs. Currently, there is no unified calculation method for the brittleness index. This article…
View article: Factors Influencing Fracture Propagation in Collaborative Fracturing of Multiple Horizontal Wells
Factors Influencing Fracture Propagation in Collaborative Fracturing of Multiple Horizontal Wells Open
Horizontal well-stimulation is the key to unconventional resource exploration and development. The development mode of the well plant helps increase the stimulated reservoir volume. Nevertheless, fracture interference between wells reduces…
View article: An XFEM-based CZM Numerical Strategy for Modeling Hydraulic Fracture Propagation under Different Fracturing Schemes
An XFEM-based CZM Numerical Strategy for Modeling Hydraulic Fracture Propagation under Different Fracturing Schemes Open
Segmented and cluster fracturing can improve the efficiency of volume stimulation in shale reservoirs and reduce construction costs. It is important to clarify the propagation characteristics of hydraulic fractures and stress interference …
View article: Experimental Study on the Distribution and Height of Spontaneous Imbibition Water of Chang 7 Continental Shale Oil
Experimental Study on the Distribution and Height of Spontaneous Imbibition Water of Chang 7 Continental Shale Oil Open
After multi-stage volume hydraulic fracturing in a shale oil reservoir, massive amounts of water can be imbibed into the matrix pores. One of the key imbibition characteristics of a shale reservoir is the imbibition water and its height di…
View article: Numerical Simulations of Radial Well Assisted Deflagration Fracturing Based on the Smoothed Particle Hydrodynamics Method
Numerical Simulations of Radial Well Assisted Deflagration Fracturing Based on the Smoothed Particle Hydrodynamics Method Open
The technology of radial-well-assisted hydraulic fracturing is applied in the stimulation of low-permeability hydrocarbon reservoirs where commercial production cannot be achieved by the conventional fracturing method. Here, a study on the…
View article: Experimental study on the shear‐slip characteristics of natural fractures in shale reservoirs
Experimental study on the shear‐slip characteristics of natural fractures in shale reservoirs Open
The injection of high‐pressure fluid and the propagation of hydraulic fractures (HF) can impact the stress state of natural fractures (NF) in shale reservoirs, which will lead to shear slip in NF that are in a critical stress state. Howeve…
View article: Experimental Investigation on the Characteristic Mobilization and Remaining Oil Distribution under CO2 Huff-n-Puff of Chang 7 Continental Shale Oil
Experimental Investigation on the Characteristic Mobilization and Remaining Oil Distribution under CO2 Huff-n-Puff of Chang 7 Continental Shale Oil Open
The Chang 7 continental shale oil reservoir is tight. The recovery factor is extremely low, the remaining oil is very high, and injecting water to improve oil recovery effectiveness is too hard. Therefore, in this paper, physical simulatio…
View article: Effect of the Angle between Hydraulic Fracture and Natural Fracture on Shale Gas Seepage
Effect of the Angle between Hydraulic Fracture and Natural Fracture on Shale Gas Seepage Open
Fracturing technology is an effective measure to exploit shale gas and the fractures improve the seepage ability of shale reservoir after fracturing. In this paper, taking Chang 7 of Yanchang Formation as the study area, a double porosity …
View article: Role of Gas Viscosity for Shale Gas Percolation
Role of Gas Viscosity for Shale Gas Percolation Open
Viscosity is an important index to evaluate gas flowability. In this paper, a double-porosity model considering the effect of pressure on gas viscosity was established to study shale gas percolation through reservoir pressure, gas velocity…
View article: Investigation on Plugging and Profile Control of Polymer Microspheres as a Displacement Fluid in Enhanced Oil Recovery
Investigation on Plugging and Profile Control of Polymer Microspheres as a Displacement Fluid in Enhanced Oil Recovery Open
Polymer microspheres (PMs) are used as a new material to recover residual oil left in unswept oil areas after secondary recovery methods. The fact that the PMs plug the macropores causes the flow direction of the injection fluid to be tran…
View article: Dynamic prediction of gas wells based on feedback artificial neural network
Dynamic prediction of gas wells based on feedback artificial neural network Open
Sudong gas wells vary hugely in production capacity, and meet extremely complex situation in dynamic changing. In view of Sudong gas wells with such characteristics, dynamic prediction of gas wells based on feedback artificial neural netwo…
View article: Experimental Study on Stress Sensitivity Considering Time Effect for Tight Gas Reservoirs
Experimental Study on Stress Sensitivity Considering Time Effect for Tight Gas Reservoirs Open
Stress sensitivity is a crucial engineering problem in the process of tight gas reservoir development. In this work, the experiments about tight gas reservoirs are performed by confining pressure for a long time to simulate tight gas reser…
View article: Nuclear Magnetic Resonance Measurement of Oil and Water Distributions in Spontaneous Imbibition Process in Tight Oil Reservoirs
Nuclear Magnetic Resonance Measurement of Oil and Water Distributions in Spontaneous Imbibition Process in Tight Oil Reservoirs Open
Spontaneous imbibition of water into tight oil reservoirs is considered an effective way to improve tight oil recovery. We have combined testing techniques such as nuclear magnetic resonance, mercury injection capillary pressure, and magne…
View article: Analysis of Coal Swelling Deformation Caused by Carbon Dioxide Adsorption Based on X-Ray Computed Tomography
Analysis of Coal Swelling Deformation Caused by Carbon Dioxide Adsorption Based on X-Ray Computed Tomography Open
The geologic sequestration of carbon dioxide by coal beds leads to the swelling deformation of coal. In order to investigate the swelling deformation characteristics at the microscopic scale, X-ray computed tomography (CT) scanning technol…
View article: A calculation model of critical liquid-carrying velocity of gas wells considering the influence of droplet shapes
A calculation model of critical liquid-carrying velocity of gas wells considering the influence of droplet shapes Open
To clarify the existence of liquid loading and optimize the production allocation in gas wells, we constructed a model for calculating the critical liquid-carrying velocity based on the equal relationship between the total surface free ene…
View article: A novel method of testing the pour point of waxy crude oil at high pressure
A novel method of testing the pour point of waxy crude oil at high pressure Open
A novel method to measure pour point at high pressure is presented. This approach uses the pour point and viscosity data at atmospheric pressure as the basic data. The viscosity data at certain high pressure are also used. The results show…