Coupled multiphysics mechanisms, impurity effects, and operational insights for CO2 storage in depleted gas reservoirs
October 2026
Depleted gas reservoirs offer promising options for large-scale CO2 sequestration due to their pre-existing pore networks, low formation pressure at the start of injection, demonstrated caprock integrity,...
Data-driven proxy models for geothermal doublet performance with and without CO2 reinjection
October 2026
Geothermal reservoirs in Western Türkiye contain significant amounts of dissolved CO2, leading to operational and environmental challenges related to surface emissions. Although CO2 reinjection is a...
Geosystematic insights into tectonic and sedimentary processes for analyzing hydrocarbon potential in the central Lurestan province, Zagros
October 2026
The Central Lurestan province of the Zagros Fold-Thrust Belt represents a major hydrocarbon play characterized by complex structural architecture, fracture-dominated reservoirs, and significant overpressure....
Quantitative uranium evaluation in multi-angle fractured sandstone deposits using a nuclear-feature separation network
October 2026
Uranium deposits have long been a focus of energy exploration due their importance as a clean energy resource. Accurate uranium quantification in sandstone-hosted deposits remains challenging because...
Pore-throat structure and its controls on reservoir properties and oil charging threshold of shale reservoirs in the Lucaogou Formation of Jimsar Sag, Junggar Basin, China
October 2026
To clarify the pore-throat structure characteristics, their correlation with reservoir physical properties, and the oil charging thresholds of continental shale oil reservoirs, this study focuses on...
Tectono-sedimentary evolution of the active extensional basin: the Babadan Low, Jatibarang Sub-basin, Northwest Java Basin, Indonesia
Available online 23 October 2026
Understanding how the evolution of normal growth fault influences sedimentatary process in the Babadan Low, West Java Basin, can provide insights into exploration strategy directions, as exploration...
Geochemistry, origin, and source potential of natural gas in the deep strata of the Shawan Sag, Junggar Basin, NW China
Available online 22 October 2026
Deep strata with burial depth greater than 4500 m have become a major target for hydrocarbon exploration. However, the genesis and geochemical characteristics of gas accumulated in deep siliciclastic...
Leveraging local and global explainable artificial intelligence for predicting CO2 hydrate equilibrium temperature in the presence of diverse salts and organic inhibitors
Available online 21 October 2026
Accurate prediction of CO2 hydrate equilibrium conditions, particularly temperature, in the presence of various chemical additives such as salts and organic inhibitors, is of paramount importance for...
Robust lithology identification from imperfect well logs using a quality-aware and geological-risk-constrained deep learning framework
Available online 21 October 2026
Well-log-based lithology identification is a basic task for stratigraphic subdivision, reservoir evaluation, and drilling decision-making, yet its field application is constrained by missing or abnormal...
Distribution characteristics and development implications of thin sandbodies in shallow-lacustrine river-controlled deltas in the northern Songliao Basin, China
Available online 12 October 2026
Mature oilfield development in the northern Songliao Basin encounters several challenges, including inconsistent stratigraphic frameworks, poorly defined sedimentary patterns, and ambiguous sand-body...
Hydrogen generation potential from Glauconitic sandstone during water-rock reactions: insights from hydrothermal experiments
Available online 29 September 2026
Natural hydrogen exploration has focused largely on ultramafic systems, yet Fe-bearing sedimentary minerals may also generate H2 during water-rock interactions if reactive iron is available. Herein,...
Evaluating geologic storage potential in salt domes of East Texas Salt Basin
Available online 24 September 2026
A basin-scale assessment of geologic storage potential in salt domes requires approaches that move beyond simplified geometric proxies and account for constraints on cavern development. This study evaluates...
Reservoir quality evolution and its controlling mechanisms under the influence of diagenetic facies: A case study of the Kedeni Formation, Doseo Basin, Central Africa
Available online 24 September 2026
Rift basins enriched with lacustrine source rocks generally possess great potential for hydrocarbon exploration. However, due to the differential evolution of diagenetic processes, it is often challenging...
Mapping natural hydrogen occurrences in Romania
Available online 12 September 2026
Natural hydrogen (H2) produced in crustal and mantle rocks is a new target of geological exploration for its potential as an energy resource with low carbon emissions. H2 occurrences are broadly listed...
Astronomical forcing controls on lacustrine geochemistry and organic matter enrichment in the Middle Eocene Bohai Bay Basin, China
Available online 11 September 2026
A continuous succession of organic-rich mudstones developed from the upper sub-member of the 4th member of the Shahejie Formation (Es4U) to the lower sub-member of the 3rd member of the Shahejie Formation...
Joint prediction and inversion of porosity and oil saturation based on MAE-MoE
Available online 8 September 2026
To improve the efficiency of joint porosity and oil-saturation interpretation, enhance the use of parameter coupling, and improve model generalization under complex reservoir conditions, this study...
Geospatial analysis of CO2 sequestration potential in Anambra Basin coal seams, Nigeria
Available online 8 September 2026
Carbon Capture and Storage (CCS) has emerged as a critical strategy for mitigating carbon dioxide (CO2) emissions; however, spatially explicit and integrated assessments of coal seam suitability remain...
Drivers of renewable energy diffusion in global economy: Long-run panel evidence
Available online 7 September 2026
Understanding the structural determinants of renewable energy diffusion has become increasingly important under accelerating global decarbonization efforts. This study examines the long-run drivers...
A preliminary study on the deep geological structure and geothermal genesis of the Heyuan Basin in eastern Guangdong, South China
Available online 2 September 2026
The Heyuan Basin in eastern Guangdong is a significant Late Mesozoic–Cenozoic continental sedimentary basin along the southeastern coast of China. Based on integrated data from field geological surveys,...
Formation mechanisms and resource potential of typical carbonate geothermal reservoirs in the Fen Wei Graben System, China
August 2026
The Fen Wei Graben System, a Cenozoic intracontinental rift basin dominated by far-field tectonic stress in China, hosts abundant geothermal resources, with carbonate formations serving as important...
Application of magnetotelluric sounding in the exploration of geothermal resources in Banqiao Sag of the Bohai Bay Basin, China
August 2026
The Banqiao Sag possesses a substantial potential for geothermal resources, yet the geothermal geological research in this area remains limited. This study aims to explore the stratigraphic structure...
Recent advances in AI-driven production prediction for highly heterogeneous reservoirs: A comprehensive review
August 2026
Accurately forecasting production in highly heterogeneous reservoirs remains a significant challenge due to the complex, nonlinear interactions and uncertainties introduced by geological variability....
Time-dependent wellbore failure in laminated mudrocks: Chrono-mechanical controls from laboratory creep and multi-well field evidence
August 2026
Delayed wellbore failure in clay-rich laminated mudrocks remains a persistent drilling problem that is commonly assessed using instantaneous stability criteria, neglecting time-dependent weakening....
Optimization of CO2-EOR and geological sequestration in sandstone reservoirs via sensitivity analysis and metaheuristic algorithms
August 2026
This study develops a framework for CO2-enhanced oil recovery (EOR) and carbon sequestration in a sandstone reservoir, targeting carbon neutrality. Cumulative oil production (COP), CO2 geological sequestration...
Pore-scale numerical simulation of CO2-water alternating gas injection for enhanced oil recovery in heterogeneous porous media
August 2026
To address the problem of low oil recovery efficiency during CO2 flooding in low-permeability and heterogeneous reservoirs, a two-dimensional microscale numerical model for the three-phase flow of oil,...
