Long-term sustained release of small molecular surfactants using microcapsules
February 2026
The controlled manipulation of surfactant concentration is essential for optimizing performance in numerous industrial applications, such as enhanced oil recovery in oil industry. However, encapsulating...
TOC
February 2026
Comparing the thermal processing with slurry phase hydroupgrading to increase the yields of distillates of Arabian heavy crude oil
February 2026
With the increasing heavy and inferior quality of global oil resources, the efficient utilization of crude oil has become a critical challenge to be solved in the energy field. This work intends to...
Application of acrylic-based wellbore strengthening material in water-based drilling fluid to stabilize the fractured formation
February 2026
Wellbore instability is the main challenge encountered during borehole construction, particularly when employing water-based drilling fluid (WBDF) under complex geological conditions. A novel wellbore...
Stability mechanism and steady-state flow characteristics of oil-resistant foam in high-salinity reservoirs
February 2026
High salinity and high oil content present major challenges to the effectiveness of foam in enhanced oil recovery (EOR). This study introduces RCS, a novel oil-resistant foam system designed for reservoirs...
Study on the phase behavior and minimum miscible pressure of CO2-shale oil in nanopores with confinement effect
February 2026
CO2 injection is a significant enhanced oil recovery method in shale oil reservoirs and facilitates the mitigation of CO2 emissions. However, the phase behavior and miscibility process of light shale...
Changes in the effective absolute permeability of hydrate-bearing sands during isotropic loading and unloading
February 2026
The effective stress of marine sediments frequently shifts owing to natural or anthropogenic factors, and a broad spectrum of processes fundamentally require accounting for sediment responses to such...
The impact of fossil energy technological progress on sectoral implied energy intensity: Evidence from the U.S. shale gas revolution
February 2026
This paper investigates how sectoral implied energy intensity responds to energy technology progress, using the U.S. shale gas revolution—the most significant energy breakthrough of the 21st century—as...
Numerical investigation of natural gas-enhanced autothermic pyrolysis for optimizing in-situ conversion in oil shale
February 2026
The autothermic pyrolysis in-situ conversion process for oil shale (ATS) offers the advantages of low development costs and the capability to exploit deep oil shale resources. However, oil shale formations...
Genesis of Late Carboniferous volcanic rocks in the Kebai Fault Zone, Western Junggar, Xinjiang: Constraints from zircon U-Pb age, whole rock geochemistry, and Sr-Nd-Pb isotopes
February 2026
The Late Paleozoic tectonic evolution of the Junggar Basin played a critical role in the formation of its oil and gas resources; however, as most of the basin is covered by desert, the evolutionary...
A novel NMR methodology for the quantitative characterization of solid organic matter in shale oil
February 2026
Continental shale oil reservoirs in China, particularly those of low to medium maturity, contain a high proportion of untransformed solid organic matter (SOM). The SOM plays a critical role as a potential...
Performance evaluation of multilateral horizontal wells on flow characteristics and recovery efficiency based on coupled model
February 2026
The multi-branch horizontal wells can improve the reservoir dynamic flow profile, restrain water coning, enhance production and recovery efficiency due to large drainage area and low cost, and it is...
Permeability estimation using rock physics modeling and variational Bayes inversion
February 2026
Permeability estimation is pivotal in reservoir characterization; however, prevailing methods lack a standardized approach. Traditionally reliant on core samples, permeability assessment encounters...
Study of the effect of wax on carbon dioxide hydrate formation in oil–water mixture with high water content
February 2026
The impact of wax on the formation of hydrates has not yet been established due to the inherent complexity of oil–water (O/W) mixtures. The O/W system has not been as extensively studied. In light of...
OFC
February 2026
Joint geostatistical seismic inversion of elastic and petrophysical properties using stochastic co-simulation models based on parametric copulas
February 2026
Seismic properties play a fundamental role in the geological and petrophysical modeling of reservoirs due to their dependence on petrophysical properties. Most existing stochastic seismic inversion...
A more efficient subsidy policy for CO2 enhanced oil recovery: Insights from a vertically integrated business model
February 2026
Although carbon dioxide enhanced oil recovery (CO2-EOR) is a technically and economically viable option within carbon capture, utilization, and storage (CCUS), its transition from demonstration to commercial...
Adsorption behavior of spherical pores in shale integrated with simplified local density theory
February 2026
Shale is a strongly heterogeneous anisotropic porous medium with a complex nanopore structure. Therefore, accurately describing the distribution and occurrence of shale gas in the intricate pore structure...
Modified Peng-Robinson equation of state for confined fluids: Critical pore size and phase behavior in shale nanopores
February 2026
Shale reservoirs are dominated by nanopores, where wall-fluid adsorption and anomalous fluid intermolecular interactions lead to substantial deviations from conventional equation of state (EOS) predictions....
The development of deformation bands from experiments: Review and perspective
February 2026
Deformation band research has long been hindered by limited understanding of structural characteristics and physical properties during actual deformation processes. To address these knowledge gaps,...
Mechanistic insights into amine-oxide-modified silica nanoparticle-stabilized Pickering emulsions for enhanced heavy oil recovery in heterogeneous reservoirs
February 2026
To address the critical stability and mobility control limitations of conventional surfactant-stabilized emulsions, this study introduces a novel Pickering emulsion system stabilized by lauramidopropylamine...
Experimental investigations on spontaneous imbibition process applied in tight conglomerate oil reservoir
Available online 27 February 2026
In this research, experimental studies were conducted to investigate the influences of permeability and surfactant solution on varying permeability cores in the spontaneous imbibition process. Totally,...
An interpretable attention-guided generative adversarial network framework with dual-domain learning for multi-condition constrained sedimentary facies modeling
Available online 26 February 2026
Sedimentary facies modeling is a critical approach for understanding geological phenomena, yet the strong heterogeneity of reservoir systems poses a serious challenge for their refined characterization....
A novel unstructured-grid generator using upscaling applied to a compositional reservoir simulator
Available online 19 February 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...
Investigation of hydrate inhibitor tracking in oil-gas-water multiphase flow pipelines
Available online 18 February 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...