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...
A novel unstructured-grid generator using upscaling applied to a compositional reservoir simulator
June 2026
This work introduces a novel unstructured grid generator using an upscaling technique and the Element-based Finite Volume Method (EbFVM). The proposed grid generator can either replicate the original...
Cenozoic morphological evolution of the Tanintharyi Shelf carbonate platform, Andaman Sea Basin: Implications for hydrocarbon reservoir potential
June 2026
The Tanintharyi Shelf in the Andaman Sea Basin hosts a significant yet largely underexplored Cenozoic carbonate platform with substantial hydrocarbon potential. This study utilizes an integrated analysis...
Grain-size control on lacustrine fan-delta architecture in source-to-sink steep-slope zones: Insights from field surveys and flume-tank experiments
June 2026
Lacustrine fan deltas, key depositional systems at basin margins, serve as crucial hydrocarbon accumulation sites. Previous studies have largely focused on depositional slope, overlooking the role of...
Paleoenvironmental and paleoclimatic evolution of the Piçarras Formation, Santos Basin, Brazil, from cuttings and well logs
June 2026
Reconstructing syn-rift paleoenvironmental systems requires an understanding of the complex interplay among tectonics, climate, and lacustrine sedimentation, which is crucial for petroleum exploration....
Residual magnetic fields from magnetic flux leaking detection accelerate microbiologically influenced corrosion of X80 pipeline steel induced by Desulfovibrio desulfuricans in sea mud environment
June 2026
Subsea pipelines buried in marine sediments are highly susceptible to microbiologically influenced corrosion (MIC). Although magnetic flux leakage (MFL) inspection is widely employed for pipeline integrity...
Co-pyrolysis of oily sludge and lignin for fabrication of high-performance adsorbent for oily wastewater treatment
June 2026
Oily sludge, a hazardous by-product of the petroleum industry, poses significant environmental risks due to its elevated levels of hydrocarbons and heavy metals. As conventional disposal methods often...
