Enhancing offshore oil and gas platform sustainability through wind-powered hydrogen production
Available online 23 December 2025
Decarbonizing offshore oil and gas platforms has become a critical challenge in the energy transition. In this article, we propose the following two models for decarbonizing offshore oil and gas platforms...
Intramolecular carbon isotopic fractionation of propane via thermochemical sulfate reduction (TSR) in natural gas reservoirs
Available online 22 December 2025
Thermochemical sulfate reduction (TSR) is an important organic–inorganic reaction that occurs within sedimentary basins and alters the original chemical compositions and isotopic structures of hydrocarbons...
Multifractal characteristics of nanopores in the Zhaotong national shale gas demonstration area, Southern Sichuan Basin, China
Available online 20 December 2025
The multifractal characteristics of organic-rich shale developed along the margins of basins are essential for understanding reservoir heterogeneity, gas storage mechanisms, and the identification of...
Research progress on numerical simulation methods and models for underground coal gasification
Available online 18 December 2025
Coal underground gasification (UCG) transforms the physical extraction of coal into the chemical extraction of gas, which is effective for exploiting deep coal deposits. Numerical simulation technology...
Wellbore stability analysis considering rock damage mechanics theory: An integrated experimental and numerical study
Available online 16 December 2025
Conventional geostress evaluation methods often assume static rock properties and neglect the dynamic degradation of mechanical parameters caused by damage evolution during drilling and fracturing processes,...
Experimental study on hydraulic fracture propagation in middle-deep shale gas reservoirs in the southern Sichuan Basin: The effects of vertical heterogeneity
Available online 16 December 2025
During the hydraulic fracturing of shale gas in the southern Sichuan Basin, China, field monitoring data have shown that hydraulic fracture (HF) propagation is restricted by height and cannot sufficiently...
The process and trends of China's energy transition and the strategic repositioning of natural gas
Available online 15 December 2025
China's pursuit of its dual carbon goal has turned the country's energy transition and the role of natural gas into key concerns for policymakers and researchers. This study adopts a macro-level analytical...
Development and performance of CO2-responsive foam fracturing fluid
Available online 13 December 2025
CO2 foam fracturing fluid can effectively integrate CCUS technology into oil and gas field development, and its core advantages include low water consumption, excellent flowback performance, and strong...
Limit analysis of extended-reach drilling considering the coupling effects of hydraulic energy loss and transient cuttings transport
Available online 13 December 2025
Ultradeep extended-reach drilling has become the most effective engineering method for economically developing marginal reservoirs in the eastern South China Sea. However, complications, including poor...
Paleo-environmental and geological characteristics of Wufeng-Longmaxi marine shale in different paleo-geomorphological units, Eastern Sichuan Basin, China
October 2025
The Wufeng-Longmaxi marine shale in the Eastern Sichuan Basin is the key target for shale gas exploration in China. Based on logging response and lithofacies type, three paleo-geomorphological units...
Genetic sources of natural gas in new exploration strata in the piedmont area of southwestern Tarim Basin
October 2025
Despite its significant exploration potential, the origin of natural gas in the tectonically complex southwestern Tarim Basin remains controversial due to multiple potential source rocks. This study...
Seismic sedimentological-based quantifications of late-Cretaceous hydrocarbon-bearing late-aggradational lowstands prograding wedges in the Indus basin: Frequency-controlled porosity-constrained dynamic simulations
October 2025
Seismic quantitative reservoir simulations and characterizations have played a vital role in exploring stratigraphic traps, such as late-aggradational lowstands prograding wedge systems (LPWS) within...
Risk assessment and prevention measures for casing deformation in the geological–engineering integration of a block in Jiaoshiba shale gas field
October 2025
Casing deformation is a widespread problem in a certain block of Jiaoshiba Shale Gas Field in Sichuan Basin, China, and it severely limits the development benefits of shale gas in that block. Based...
Coal permeability evolution under coupled mining disturbance and gas extraction conditions: An experimental study
October 2025
This study investigates the evolution of coal permeability under mining-induced stress and gas extraction, a key factor for safe and efficient coal seam gas recovery. A simplified triaxial stress path...
Gas compositional and isotopic variation during desorption of middle-upper Permian shales in western Hubei, Southern China
October 2025
Significant progress has been made in exploring shale gas resources in the middle-upper Permian strata of western Hubei. However, the unclear geochemical characteristics and origins of the gas have...
Diagenetic facies, volcanic tuffaceous sediment, and its diagenetic features in deeply buried tight sandstone, Shan 2 and He 1 Members, Ordos Basin, China
October 2025
Understanding diagenetic processes plays a crucial role in evaluating the quality of tight reservoirs. In this study, we aimed to examine diagenetic facies and thereby assess reservoir quality by conducting...
Global liquefied natural gas market development and future outlook
October 2025
Since 2020, the global energy market has faced persistent disruptions due to geological tensions and the economic competition among great nations, with liquefied natural gas (LNG) emerging as a vital...
Numerical assessment of gas production potential via depressurization: Impact of production interval and bottom hole pressure at site NGHP-01-10D of the Krishna-Godavari Basin hydrate reservoir
August 2025
The National Gas Hydrate Program expeditions (NGHP-01 and -02) have conclusively proven the presence of hydrate deposits on the eastern coast of India. The novelty of the present study lies in its investigation...
Quantitative identification method for pores in shale inorganic components based on pixel information
August 2025
The types and structures of inorganic pores are key factors in evaluations of the reservoir space and distribution characteristics of shale oil and gas. However, quantitative identification methods...
Reconstruction of the geothermal field of the Xihu Depression in the East China Sea Basin and its controlling effect on hydrocarbon generation and distribution
August 2025
The Xihu Depression, situated in the northeastern East China Sea Basin, represents the most significant natural gas-producing region in Eastern China. An insufficient understanding of reservoir heterogeneity...
A simulation study of natural gas injection and storage in a partially depleted oil reservoir for seasonal underground energy storage
August 2025
The supply of energy is a severe challenge for every country, particularly those that are industrially developed and highly populated. Natural gas is among the most essential energy sources due to its...
Permeability evolution mechanism in deep coalbed methane extraction: Considering the competitive effects of adsorption-induced swelling, creep, and aperture compression
August 2025
During gas extraction from deep coal, the rock endures high effective stress, with both the time-dependent deformation and anisotropic structure of the rock controlling the permeability evolution. To...
Characterization of premixed laminar flow combustion with hydrogen doping of the associated gases
August 2025
Hydrogen doping in associated gas combustion presents a promising strategy for mitigating carbon emissions from typically flared or vented gases. To support this idea, this study employed Chemkin Pro...
Damage location prediction of cement-sandstone combinations under axial force: Three-dimensional structure reconstruction and stress distribution simulation based on μ-CT
August 2025
Effective isolation between the cement sheath and the sandstone is crucial for the development and production of oil and gas wells in sandstone formations. In this study, a cement-sandstone composite...
A microfluidic study on the influence of naturally fractured porous media on the phase behavior of condensate gas depletion
August 2025
There are limited quantitative studies on condensate gas using microfluidics under high-pressure and high-temperature conditions. This study employed microfluidics chips based on real porous media structures...