Synthesis of biopolymer nanocomposites and experimental investigation on enhanced oil recovery
January 2026
Nanoparticles (NPs) are widely used in the petroleum industry, particularly in upstream and downstream applications, due to their quantum effects and high surface area-to-volume ratio. However, stable...
Monitoring oil pipeline microbiologically influenced corrosion (MIC) and its mitigation using a biofilm/MIC test kit
January 2026
Microbiologically influenced corrosion (MIC) is caused by microbial biofilms. In this work, an oilfield produced water sample was analyzed using a newly developed disposable electrochemical biofilm/MIC...
Examining the mechanisms of rebound evolution of various pore types in Longmaxi Formation shale using shale triaxial creep experiments
January 2026
The Longmaxi Formation shale in the Sichuan Basin has been affected by late-stage tectonic uplift, leading to significant differences in the pore structures of reservoir formations across various structural...
Study on the conductive mechanism and saturation model of continental shale oil reservoirs with complex mineral composition
January 2026
A variety of petrophysical experimental techniques were used to analyze the core samples of the Subei Basin, China, and a three-dimensional digital rock model was constructed. The electrical simulation...
Insight into the impact of the Al distribution in ZSM-5 zeolite on deep hydrogenation of phenanthrene over Pt/HZSM-5
January 2026
Deep hydrogenation of polycyclic aromatic hydrocarbons (PAHs) into jet fuel is an important strategy for the upgrading of light cycle oil (LCO). Zeolite-supported metal catalysts have exhibited good...
Unraveling the hydrodynamic effects on calcium carbonate scaling behavior under high-temperature and high-pressure CO2 degassing
January 2026
Carbonate scaling in the Brazilian pre-salt oil production systems represents a challenging flow assurance issue driven by the release of CO2 caused by head loss. This reduction in pressure causes CO2...
Hydrodynamics characteristics of rough-walled self-propping shale fractures: from microscale morphology to macroscale hydraulic response
January 2026
Self-propping fractures formed during hydraulic fracturing in shale reservoirs constitute a critical component of the hydraulic fractures, with surface roughness serving as a pivotal factor governing...
Fast beam migration capable of dealing with intersecting events
January 2026
Fast beam migration (FBM), characterized by its super-high efficiency in velocity model building, consists of three main steps: beam forming, beam propagation, and image forming. The super-high efficiency...
Shale pore modification induced by syncline bending in the Eastern Fold Belt of Sichuan Basin, South China
January 2026
Shale deformation is crucial in various geological processes. To investigate the effect of deformation on pore characteristics for highly compacted shale, the macro tectonic strain and micro pore structure...
Multiscale anisotropic mechanical properties of oil shale: New insights from nanoindentation profiling
January 2026
Oil shale reservoirs are characterized by significant heterogeneity in mineral components and pronounced anisotropy in micromechanical properties—both influencing resource recovery. We couple fine-scale...
Insights into the evolution of pore structure and novel stress sensitivity determination of porosity-permeability in unconventional rocks
January 2026
The sensitivity of petrophysical parameters such as porosity and permeability to stress conditions is critical in unconventional reservoir management. Calculation of these dependencies on stress conditions...
Joint physics and model-guided pre-stack seismic inversion using double dual neural network
January 2026
Pre-stack seismic inversion is used to calculate elastic parameters, including P-wave and S-wave velocities, as well as densities. These parameters play an integral role in the characterization of reservoirs,...
Investigating the effect of the shale bedding structure on hydraulic fracture propagation behavior on the basis of a coupled thermal–hydraulic–mechanical numerical model
January 2026
The interaction process among hydraulic fractures and natural fractures, bedding planes, and other discontinuities during shale fracturing determines the complexity of the fracture network that is formed....
In-situ pressure-preserved coring for deep resources exploration: A novel pressure sealing subsystem and its service performance
January 2026
In-situ pressure coring technology is a responsible exploration technique for enhancing the efficiency and capacity of deep resources development. However, reliability issues in pressure sealing introduce...
Development of an innovative permeability model for hydrate-bearing sediments under creep conditions: Effects of particle shape and non-uniform particle distribution
January 2026
Prolonged gas hydrate exploitation induces reservoir creep, leading to pore structure deformation, permeability reduction, and elevated risks of wellbore instability, ultimately impeding sustainable...
Full-waveform inversion constrained by adaptive sonic logging data within a Bayesian framework
January 2026
The full waveform inversion (FWI) utilizes full wavefield data to invert subsurface parameters and is considered one of the most promising data-driven tools for obtaining high precision velocity models....
Formulation, stability, and synergistic characteristics of diesel-in-water Pickering emulsions stabilized by titanium carbide (Ti3C2Tx) MXene and Tween 40
January 2026
Enhanced oil recovery (EOR) operations increasingly depend on emulsion-based formulations that exhibit long-term stability under reservoir conditions while minimizing surfactant dosage. In this context,...
Particle dynamics and wear characteristics of lining layers in curved non-metallic flexible pipes for deep-sea mining
January 2026
Wear of the internal lining in the non-metallic flexible pipes (NMFPs) is a critical issue in long-distance hydraulic lifting for deep-sea mining, as it can lead to structural failure and reduced service...
Molecular insights into asphaltene desorption from silica surface by ionic and non-ionic nitrogen-based additives
Available online 31 January 2026
The strong adsorption of asphaltenes on reservoir minerals is a major constraint on heavy oil recovery. Although some nitrogen-based chemicals have shown promise in desorbing asphaltenes, their working...
CO2-promoted Cr redox cycle driven ethane catalytic oxidative dehydrogenation to ethylene and its comparative study to ethane direct catalytic dehydrogenation
Available online 31 January 2026
In the field of ethane conversion, Cr/ZSM-5 catalysts have received considerable attention for application in direct dehydrogenation (DH) and CO2-assisted oxidative dehydrogenation (CO2-ODH) reactions,...
A three-dimensional fuzzy dynamic risk assessment model with dynamic cloud weights for human operational errors in oil and gas pipelines
Available online 31 January 2026
Given the inherent complexity of human behavior, situational dependencies, and fragmented data, accurately assessing the risks arising from human operational errors in oil and gas pipelines remains...
The present-day stress state and its impact on drilling and reservoir management in a field of the Abadan Plain, Southwest Iran
Available online 30 January 2026
The present-day stress state of the Abadan Plain in Southwest Iran is a critical factor in the management of drilling operations and reservoir development. This research integrates multiple data sources,...
Corrected Model and Charts for Corrosion Probe Monitoring Effectiveness in High-Water-Cut Crude Oil Gathering Pipelines with Elevation Changes
Available online 30 January 2026
Frequent corrosion perforation and monitoring effectiveness deviation have been observed in the undulating segments of high-water-cut crude oil gathering pipelines. This study proposes a corrected model...
Physics-informed autoencoder with Bayesian optimization for real-time stuck pipe risk prediction
Available online 30 January 2026
The issue of stuck pipe can significantly increase non-productive time, even leading to accidents such as drill string failure, which causes a sharp rise in drilling costs. Therefore, timely and accurate...
Molecular dynamics simulation for effect of stress on quartz dissolution: implication on the development of high-quality reservoirs in Foreland basins
Available online 30 January 2026
The dissolution of unstable minerals such as feldspar and carbonate is currently recognized as the primary cause of the dissolution pores in most clastic rock reservoirs globally. However, research...