Erlong Yang
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View article: Research on Dynamic Control Methods for Fine-Scale Water Injection Zones Based on Seepage Resistance
Research on Dynamic Control Methods for Fine-Scale Water Injection Zones Based on Seepage Resistance Open
To address prominent challenges in developing high water cut oilfields—such as significant variations in sandstone water absorption capacity and uneven reservoir mobilization—this paper proposes a dynamic layered water injection method cen…
View article: Fourier Transform-Based Inversion of Surface Deformation for Risk Assessment of Casing Damage: A Case Study of the Daqing Oilfield
Fourier Transform-Based Inversion of Surface Deformation for Risk Assessment of Casing Damage: A Case Study of the Daqing Oilfield Open
The intrinsic mechanism linking surface deformation to casing damage due to layer slippage remains unclear. Moreover, no method currently exists for calculating the slip deformation field of horizontal structural weakness planes from surfa…
View article: Formulation construction and transport-plugging performance of <i>in situ</i> inorganic plugging system for high-salinity reservoir
Formulation construction and transport-plugging performance of <i>in situ</i> inorganic plugging system for high-salinity reservoir Open
The South China Sea oilfield faces severe challenges, including exacerbated heterogeneity, inefficient waterflooding, high salinity, large well spacing, and limited platform space, making conventional polymer gel systems unsuitable and nec…
View article: Microscopic Effect of Mixed Wetting Capillary Characteristics on Spontaneous Imbibition Oil Recovery in Tight Reservoirs
Microscopic Effect of Mixed Wetting Capillary Characteristics on Spontaneous Imbibition Oil Recovery in Tight Reservoirs Open
The understanding of the mechanisms that govern water spontaneous imbibition in mixed wetting capillary channels plays a significant role in operating the oil extraction and energy replenishment for the tight oil reservoirs. In this work, …
View article: A Pore-Scale Investigation of Oil Contaminant Remediation in Soil: A Comparative Study of Surfactant- and Polymer-Enhanced Flushing Agents
A Pore-Scale Investigation of Oil Contaminant Remediation in Soil: A Comparative Study of Surfactant- and Polymer-Enhanced Flushing Agents Open
Pore-scale remediation investigation of oil-contaminated soil is important in several environmental and industrial applications, such as quick responses to sudden accidents. This work aims to investigate the oil pollutant removal process a…
View article: Performance Characterization of Bionano Emulsions and Study on Oil‐Contaminated Sludge Reduction Treatment
Performance Characterization of Bionano Emulsions and Study on Oil‐Contaminated Sludge Reduction Treatment Open
Oil‐contaminated sludge is a common hazardous solid waste produced by the petrochemical sector. Traditional separation systems demonstrate low separation efficiency and high treatment costs, leading to ineffective disposal of oil sludge. T…
View article: Frontier advances in molecular dynamics simulations for the design and optimization of oil-displacement polymers
Frontier advances in molecular dynamics simulations for the design and optimization of oil-displacement polymers Open
Workflow of molecular dynamics simulations in polymer design and optimization.
View article: Synthesis and Characterization of Self-Dispersion Monodisperse Silica-Based Functional Nanoparticles for Enhanced Oil Recovery (EOR) in Low-Permeability Reservoirs
Synthesis and Characterization of Self-Dispersion Monodisperse Silica-Based Functional Nanoparticles for Enhanced Oil Recovery (EOR) in Low-Permeability Reservoirs Open
A controllable particle size mono-dispersing nanofluid system has been developed to address the challenges of low porosity and low-permeability in low to ultra-low-permeability reservoirs. This system combines high dispersion stability wit…
View article: Impacts of CO2-CH4 Mixed Gas on Property of Formation Oil from the Bohai Oilfield
Impacts of CO2-CH4 Mixed Gas on Property of Formation Oil from the Bohai Oilfield Open
Mechanism analysis and technical scheme optimization on CO2 displacement and CO2 storage are based on the high-pressure physical properties of CO2-added formation oil. Oil and natural gas samples from the BZ25-1 block in the Bohai oilfield…
View article: Research on Microbial Community Structure in Different Blocks of Alkaline–Surfactant–Polymer Flooding to Confirm Optimal Stage of Indigenous Microbial Flooding
Research on Microbial Community Structure in Different Blocks of Alkaline–Surfactant–Polymer Flooding to Confirm Optimal Stage of Indigenous Microbial Flooding Open
The microbial communities associated with alkaline–surfactant–polymer (ASP)-flooded reservoirs have rarely been investigated. In this study, high-throughput sequencing was used to analyse the indigenous microbial communities in two differe…
View article: Research on the Functional Microbe Activation System in a Post-Polymer Flooded Reservoir
Research on the Functional Microbe Activation System in a Post-Polymer Flooded Reservoir Open
Further exploitation of the residual oil underground in post-polymer flooded reservoirs is attractive and challenging. Microbial-enhanced oil recovery (MEOR) is a promising strategy to enhance the recovery of residual oil in post-polymer f…
View article: A New Method for Optimizing Water-Flooding Strategies in Multi-Layer Sandstone Reservoirs
A New Method for Optimizing Water-Flooding Strategies in Multi-Layer Sandstone Reservoirs Open
As one of the most important and economically enhanced oil-recovery technologies, water flooding has been applied in various oilfields worldwide for nearly a century. Stratified water injection is the key to improving water-flooding perfor…
View article: Laboratory Experiments of Hydrocarbon Gas Flooding and Its Influencing Factors on Oil Recovery in a Low Permeability Reservoir with Medium Viscous Oil
Laboratory Experiments of Hydrocarbon Gas Flooding and Its Influencing Factors on Oil Recovery in a Low Permeability Reservoir with Medium Viscous Oil Open
In view of the problems of low liquid production, a high proportion of high water cut wells, and poor development effect in the late stage of water flooding in the special sandstone reservoir of Niuquanhu "low permeability and medium visco…
View article: An analytical model to estimate the time delay to reach spontaneous ignition considering heat loss in oil reservoirs
An analytical model to estimate the time delay to reach spontaneous ignition considering heat loss in oil reservoirs Open
During air injection into an oil reservoir, an oxidation reaction generates some heat to raise the reservoir temperature. When the reservoir temperature reaches an ignition temperature, spontaneous ignition occurs. There is a time delay fr…
View article: A study on the bio-based surfactant sodium cocoyl alaninate as a foaming agent for enhanced oil recovery in high-salt oil reservoirs
A study on the bio-based surfactant sodium cocoyl alaninate as a foaming agent for enhanced oil recovery in high-salt oil reservoirs Open
A bio-based surfactant of SCA is proposed as a foaming agent, which has better foaming ability, stability, and anti-salt ability compared to OP-10 and SDS. It can enhance oil recovery by more than 15% after primary waterflooding.
View article: Well Production Decline Models Considering Mechanical Skin Factor
Well Production Decline Models Considering Mechanical Skin Factor Open
Production decline analysis is an essential tool in predicting reservoir performance and in estimating reservoir properties. In its most basic form, decline curve analysis is to a large extent based on Arps’ empirical models that have litt…
View article: The Research and Application of Supercritical CO2 Fracturing in Tight Reservoirs
The Research and Application of Supercritical CO2 Fracturing in Tight Reservoirs Open
Hydraulic fracturing is an important means to develop tight reservoirs.However, many drawbacks have been exposed in the hydraulic fracturing process for a tight reservoir.For example, the clay minerals in the fractures are soaked and hydra…
View article: Identification of Water Flooding Advantage Seepage Channels Based on Meta-Learning
Identification of Water Flooding Advantage Seepage Channels Based on Meta-Learning Open
As the water injection oilfield enters into the high water cut stage, a large number of water flooding advantage seepage channels are formed in the local reservoir dynamically changing with the water injection process, which seriously affe…
View article: Experimental Study on Stress Sensitivity Evaluation and Permeability Anisotropy of Shales in Songliao Basin
Experimental Study on Stress Sensitivity Evaluation and Permeability Anisotropy of Shales in Songliao Basin Open
Shale oil and gas resources are abundant in Songliao Basin, and shale reservoirs tend to have certain permeability anisotropy with different pore or laminar structures in different directions, and there is no experimental analysis of shale…
View article: A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media
A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media Open
Relative permeability of polymer flooding plays a very important role in oil field development. This paper aimed to measure and calculate the relative permeability curves of polymer flooding more accurately. First, viscosity variation law …
View article: The Synthesis of Associative Copolymers with Both Amphoteric and Hydrophobic Groups and the Effect of the Degree of Association on the Instability of Emulsions
The Synthesis of Associative Copolymers with Both Amphoteric and Hydrophobic Groups and the Effect of the Degree of Association on the Instability of Emulsions Open
The acrylamide (AM)/methacryloyl ethyl sulfobetaine (SPE)/behenyl polyoxyethylene ether methacrylate (BEM) terpolymer (PASB) was synthesized by soap-free emulsion polymerization. Four types of PASBs were synthesized by adjusting the moles …
View article: Modular Frame Method Plugging in Fuyu Problem Well for Treatment Application
Modular Frame Method Plugging in Fuyu Problem Well for Treatment Application Open
In Fuyu oil field wells spit mudstone serious, sloughing, lost the problems on the top of the fish, take relief well construction method, using new drilling trajectory, through reservoir perforated interval as China Unicom media, from and …