The thermal role of granitic bodies in geothermal system: Insights from South China
June 2026
Granite is widely recognized for their elevated radioactive heat generation and relatively high thermal conductivity, making it an important contributor to the thermal structure of geothermal systems....
Optimization of CO2 flooding in tight oil based on improved machine learning
June 2026
This study develops an innovative methodology for CO2 flooding optimization in tight oil reservoirs through a novel hybrid analytical framework that effectively combines Grey Relational Analysis (GRA),...
Development and application of a hybrid PDC bit for drilling the high temperature granite formation in the deep geothermal exploration well Fushenre-1
June 2026
Geothermal energy is a clean and renewable energy with significant potential. During the drilling process of geothermal development, conventional drill bits often suffer from significant wear and severe...
Full scale pore throat characterization incorporating a dynamic shape factor and permeability prediction in tight rocks
June 2026
Tight reservoirs represent a significant component of unconventional resources, yet their development is challenged by multiscale and highly heterogeneous pore-throat systems that govern fluid flow....
Genetic model of intraplate volcanic high-temperature geothermal system in Yanggao-Tianzhen Basin, Datong
June 2026
The Yanggao-Tianzhen Basin comprises three stratigraphic sequences from top to bottom, namely the Quaternary, Neogene-Paleogene, and Archean. The Quaternary serves as the regional caprock, and heat...
Architecture and formation of mouth bars in a shoal-water delta: a case study from the Zhahaquan oilfield, Qaidam basin, China
June 2026
Distinguishing between shoal-water deltas and shore-shallow lake beach-bars is challenging, creating a widespread problem for bar-scale reservoir architecture analysis and ultimately affecting oilfield...
Impact of hysteresis of relative phase permeabilities in 3D modeling of cyclic waterflooding in a carbonate reservoir
June 2026
The main task when extracting oil from waterflooded reservoirs during late development stages is enhancing the mobility of the remaining reserves. In the context of declining oil export prices, the...
Carbon sequestration efficiency of urban mangroves: The role of native vs. introduced species
June 2026
This study evaluates species-specific differences in aboveground carbon sequestration among native and introduced tree species in an urban mangrove ecosystem of Guayaquil, Ecuador. Field measurements...
Geothermal energy for enhanced heavy oil recovery: Reducing costs and emissions
June 2026
Geothermal energy offers a promising alternative for enhanced heavy oil recovery, reducing operational costs and environmental impact compared to conventional thermal methods, such as steam injection...
Enhancing CO2 huff-n-puff recovery in tight sandstone via hybrid nanofluid wettability alteration and fracturing
June 2026
Tight sandstone reservoirs are constrained by low permeability and oil-wet surfaces, limiting the efficiency of enhanced oil recovery (EOR) by CO2 huff-n-puff. This study investigates a hybrid nanofluid...
Interpretable Deep Learning-Based Fracture Prediction Method: A Case from the Tarim Basin, China
Available online 15 June 2026
In tight sandstone gas reservoirs, fractures play a critical role in enhancing reservoir permeability and connectivity. Seismic-based fracture prediction methods offer advantages in characterizing the...
Cross-well identification of gas hydrates based on well logging and machine learning: A case study from ODP Leg 204
Available online 12 June 2026
Accurate identification of gas hydrate-bearing intervals is essential for marine energy resource evaluation and geohazard assessment. While machine learning (ML) approaches have shown promising performance...
Geothermal frontiers: Scaling subsurface solutions for urban resilience and global energy security
Available online 12 June 2026
Geothermal energy presents a unique opportunity to address the global energy trilemma of security, sustainability, and affordability while supporting resilient infrastructure and urban development....
Machine-learning prediction of flow partitioning, bottom-hole pressure, and fracture-tip pressure in horizontal water injectors with a single transverse fracture
Available online 9 June 2026
Machine learning (ML) has advanced reservoir engineering by enabling data-driven optimization for improved injection performance and cost efficiency. This study develops three supervised ML regression...
Unique chemical and isotopic characteristics and origins of high mature natural gases in the Ordovician marine formations in the Weiyuan area, Sichuan Basin, China
Available online 9 June 2026
Large quantities of natural gases have recently been discovered in the marine carbonate formations in the Honghuayuan Formation (O1h) and Baota Formation (O2b) in the Weiyuan area, Sichuan Basin, China,...
Wind Energy capacity and generation forecasting: Machine Learning-based projections for the International Markets to 2030
Available online 6 June 2026
As a clean and renewable energy source, wind energy helps combat emissions and climate change. This study presents a comprehensive machine learning approach to forecast the worldwide wind energy capacity...
High-resolution T-R sequence architecture and sedimentary filling evolution of the Silurian Hanjiadian Formation, Sichuan Basin, southwest China
Available online 6 June 2026
The Middle Silurian Hanjiadian Formation is a promising exploration target for hydrocarbon resources in the Sichuan Basin. Historically, research on this formation remains limited, leading to a poor...
A fracture identification method for tight sandstone reservoirs based on multidimensional well-log data fusion: A case study of the Chang 6 Member of the Yanchang Formation in the Wuqi area, Ordos Basin
Available online 2 June 2026
The Ordos Basin is a stable cratonic basin, characterized by tight sandstone oil reservoirs of the 6th member of the Yanchang Formation (Chang 6 Member) with multi-scale fracture systems of diverse...
Prospects and exploration directions of deep coalbed methane resources in China
Available online 26 May 2026
The assessment of deep coalbed methane (CBM) resource potential provides a critical scientific basis for the formulation of national energy policies and the strategic development planning of China National...
Natural fracture subsystem division and evaluation method: Integrating characteristics into structures
Available online 20 May 2026
Foreland thrust belts are frequently characterized by complex structures, where multi-phase tectonic activity produces intricate deformation features and highly heterogeneous natural fracture systems....
Geothermal distribution characteristics and geological controlling factors in typical coal mining areas
Available online 20 May 2026
As a leading coal-producing nation, China has strategically chosen to extract deep coal resources to ensure energy security. As mining depths increase, the release of thermal energy has become more...
Prediction of microseismic energy evolution in underground gas storage based on Variational Mode Decomposition and Deep Learning
Available online 12 May 2026
Accurately predicting the evolution of microseismic energy is of great significance for identifying the potential operational risks and ensuring safe operation of underground gas storage (UGS) facilities....
Characterization of gravity-flow deposits in the Chang 7–9 oil groups in the Yanchang Formation, Ganquan County, Ordos Basin
April 2026
This study aims to address the challenges associated with the identification of the sedimentary facies of gravity-flow deposits in the 7th to 9th oil groups of the Yanchang Formation (also referred...
Mechanical responses of deep salt caverns under synchronous and asynchronous operation strategies
April 2026
In China, gas storage in deep salt caverns faces challenges due to high in situ stresses, elevated geothermal temperatures, and the presence of interbedded salt-mudstone formations. These factors lead...
Thermoelastic full-waveform inversion for joint estimation of subsurface temperature and seismic velocities in geothermal exploration
April 2026
Seismic exploration is the most precise geophysical method for investigating and forecasting subsurface resources, yet its conventional fully elastic assumption neglects temperature effects, limiting...
