Reactive transport and petrophysical property evolution of the CO2-brine-rock system in porous media during geological CO2 storage
Available online 4 July 2026
Injecting CO2 into reservoirs for enhanced oil recovery while concurrently storing CO2 is an important pathway for CCUS, yet the coupled flow and reaction processes after CO2 contacts formation brine...
Waste-derived ZnO nanoparticles with dual electrochemical-microbial inhibition functions: A green strategy for petroleum pipeline corrosion control
Available online 4 July 2026
Microbiologically influenced corrosion (MIC), primarily caused by sulfate-reducing bacteria (SRB) biofilms, presents a significant challenge to the integrity of petroleum pipeline systems. In this study,...
Differential inorganic–organic porosity evolution in the Wufeng–Longmaxi Shale, southern Sichuan Basin, China
Available online 4 July 2026
Quantifying how inorganic and organic porosity co-evolve in shale during burial and later uplift is a key scientific issue for constraining shale-gas occurrence, storage capacity, and enrichment mechanisms....
Fault and fracture distribution prediction in continental shale based on graph neural network
Available online 4 July 2026
The fault–fracture system plays a crucial role in the migration, accumulation, and preservation of shale oil. However, weak geophysical response of these fractures and the ambiguity in picking faults...
Double-emulsion fabrication of dual-network PTS microspheres with temperature/salt resistance and delayed swelling: Molecular simulation and deep profile control application in reservoir deep zones
Available online 4 July 2026
High-temperature and high-salinity (HTHS) reservoirs suffer from strong heterogeneity and well-developed preferential flow channels, leading to low water flooding efficiency. Existing profile control...
Numerical simulation study of hydraulic fracturing network propagation in CBM development considering complex natural fracture distributions
Available online 4 July 2026
Coalbed methane (CBM) reservoirs commonly contain multi-scale natural fractures and show strong heterogeneity in reservoir properties, rock mechanical parameters and in-situ stress. Conventional idealized...
Multi-task ensemble learning for real-time efficiency prediction and condition diagnosis in beam-pumping well systems
Available online 3 July 2026
Currently, real-time efficiency prediction and condition diagnosis for beam-pumping well systems predominantly rely on single-task models. However, conventional single-task approaches typically require...
Identification and control of CO2 trans-caprock leakage: from the perspective of the formation pressure field
Available online 3 July 2026
To address the identification and control of CO2 trans-caprock leakage, this study develops and thoroughly validates a three-dimensional saline aquifer sequestration model to simulate the migration...
Dynamic flow partitioning during competitive fracture propagation in multiscale heterogeneous shale
Available online 3 July 2026
Inter-cluster flow competition remains a fundamental challenge in multi-cluster hydraulic fracturing of layered shale reservoirs. This behavior is governed by multiscale heterogeneity and near-wellbore...
Optical and rheological properties of carbon quantum dots regenerated aged asphalt based on molecular simulation and experiments
Available online 3 July 2026
To investigate the rheological and optical properties of carbon quantum dots (CQDs)-regenerated aged asphalt (CQDsRA), four types of CQDs, C34H14O2 (CQDs-1), C52H72O14 (CQDs-2), C39H30N6O10 (CQDs-3),...
Multi-party collaboration: Enhancing the resilience of multi-energy logistics systems under demand uncertainty
Available online 3 July 2026
The global low-carbon transition is driving refining enterprises to shift from oil-dominant production toward diversified production, requiring the collaborative allocation of refined oil and new energy....
A novel simulation approach for far-field temporary plugging fracturing in horizontal wells
Available online 3 July 2026
Far-field temporary plugging fracturing can enhance fracture complexity and improve reservoir stimulation effectiveness, making it a powerful technique for the efficient development of unconventional...
Lamina-scale lithofacies control on hydrocarbon retention in laminated lacustrine shales of the second member of the Kongdian Formation, Cangdong Sag, Bohai Bay Basin
Available online 2 July 2026
Laminated fine-grained lacustrine sediments, characterized by pronounced stratification, provide a natural setting to examine the coupling between hydrocarbon generation/expulsion and pore-structure...
Nanoscale CO2-oil miscibility and minimum miscibility pressure in tight reservoirs: nanofluidic slim-tube visualization coupled with thermodynamic modeling
Available online 2 July 2026
Fluid miscible behavior in nanoporous media governs various critical processes, including carbon capture, utilization, and storage (CCUS), enhanced hydrocarbon recovery, and subsurface pollution remediation....
Unsupervised anti-aliasing interpolation of regularly sampled seismic data via soft dynamic time warping divergence distance
Available online 2 July 2026
Due to the lack of labeled data in field seismic data acquisition, unsupervised methods have gained widespread attention in recent years. Most existing unsupervised interpolation methods rely solely...
A fast bidirectional pressure decay method for measuring permeability and porosity in tight rocks
Available online 1 July 2026
Permeability and porosity parameters of tight rocks are of crucial importance to the applications ranging from extraction of geothermal and hydrocarbon resources to subsurface storage of carbon, nuclear...
Investigation of hydrate inhibitor tracking in oil-gas-water multiphase flow pipelines
June 2026
As oil and gas exploration progressively moves into deepwater regions, flow assurance in multiphase transport pipelines has become a critical issue. The complex conditions in deepwater environments...
Mesoscopic mechanism of shear breakdown and static recovery characteristics of waxy crude oil gel structures
June 2026
The primary method for transporting high-wax crude oil is heated pipeline transmission. During shutdowns, the gelled state and structural strength of the congealed oil directly determine the restart...
Digital twin driven ram BOP shear capability analysis
June 2026
As a critical component of the oil drilling control system, blowout preventers (BOPs) shear failure accidents can occur in case of blowout incidents. Existing methods based on simulation and empirical...
TransUNet framework improved computed tomography image segmentation for core pore evolution
June 2026
The development of oil and gas is constrained by difficulties in dynamically characterizing pore structures. Traditional methods inadequately represent the complex interactions between mineral dissolution,...
Efficient P/S and up/down wavefield decomposition in vertical transversely isotropic media and its application in elastic reverse time migration
June 2026
Common artifacts existing in anisotropic elastic reverse time migration (ERTM) image are mainly cross-talk artifacts, false images and low-frequency noise. To address these problems, we propose a new...
Green-synthesized zinc quantum dots from parsley leaves for enhanced oil recovery: Improving IFT, wettability, and oil recovery performance
June 2026
Nanotechnology has attracted significant attention in recent decades due to its diverse applications, particularly in chemical enhanced oil recovery (cEOR). By reducing fluid–fluid interfacial tension...
Climate forcing of variations in sedimentary environments and organic matter accumulation in the Qingshankou Formation, Songliao Basin (NE China): Evidence from organic petrology and geochemistry
June 2026
Lacustrine organic matter (OM) accumulation is a critical Earth's carbon sink and a source of hydrocarbon resources. The Upper Cretaceous Qingshankou Formation in the Songliao Basin archives an organic-rich...
Pressure-regulated pore structure evolution and dielectric performance enhancement in MgO/epoxy composite systems
June 2026
With the surging demand for unconventional oil and gas extraction, the insulation performance of downhole high-power electric heaters has become a critical bottleneck limiting long-term stable operation....
Influence of pore structure on the dynamic response of porous rocks under high strain-rate impact: A mesoscale numerical investigation
June 2026
This study establishes a numerical simulation method for modeling the dynamic response of porous rocks under high strain-rate impacts and verifies its robustness, accuracy, and reproducibility. A systematic...
