Research on crack detection method for shallow-buried underground compressed air energy storage cavern based on improved mask R-CNN model
September 2025
This paper proposes a detection method based on an improved Mask Region-based Convolutional Neural Network (Mask R-CNN) model for crack recognition in shallow-buried compressed air energy storage (CAES)...
Two-step numerical analysis of thermal stress in fractured granite under complex laboratory heating conditions
September 2025
For the purpose of understanding how heat and thermal stress are generated in fractured granite in the context of a high-level radioactive waste repository, laboratory heating experiments on cubic specimens...
Impact of salinity on spontaneous emulsification near water/oil interfaces
September 2025
Natural surfactants that are present in complex crude oil may induce spontaneous emulsification in the oil and brine phases that co-exist in rock pores. This process is known to be affected by the salinity...
Predictive modeling of geophysical anomalies in the metasediments of Bugaji area, part of Malumfashi Schist Belt, North-Western Nigeria
September 2025
The Bugaji area, situated within the Malumfashi Schist Belt of northwestern Nigeria, primarily consists of metasediments that include quartzo-feldspathic and pelitic schists, and gneiss. However, this...
Study on proppant flowback mechanism during post-fracturing stage based on CFD-DEM
September 2025
Proppant flowback in the post-fracturing flowback period not only reduces the fracture conductivity but also damages equipment. Due to the current lack of experimental or numerical simulation methods...
Cryogenic liquid nitrogen treatment for enhancing gas production in Sui main limestone carbonates, Central Indus Basin, Pakistan
September 2025
The Early Eocene Sui Main Limestone (SML) reservoirs in the Qadirpur area are significant hydrocarbon-producing formations but suffer from low permeability and poor reservoir characteristics that lead...
Enhanced reaction kinetics of subsurface coalseam in-situ combustion: Moisture content effects
September 2025
Gas injection-enhanced underground coal combustion for heat extraction represents a disruptive chemical fluidized extraction method of coal resources. Coal seam combustion dynamics provide crucial underpinnings...
The benefits and challenges of well monitoring of Gulong shale oil
June 2025
This study discusses the benefits and challenges of well monitoring for Gulong shale oil production. It examines the Unified Transient Analysis (UTA) method, which integrates rate and pressure data...
Experimental insights into the nucleation and propagation of hydraulic fractures in anthracite coalbed methane reservoirs
June 2025
Developing low-permeability Coalbed Methane (CBM) reservoirs can significantly benefit from a comprehensive understanding of hydraulic fracture nucleation and propagation mechanisms, particularly in...
Quantum chemical calculation of the reactions between the side-chain active groups of coal and hydroxyl radical catalyzed by an external electric field
June 2025
The current work probes the influence of an electric field on the reactions of side-chain active groups (-CH3, -COOH, and -OH) of coal interacting with hydroxyl radical (•OH). The level M062X/6–311 +G(d,p)...
Development status and prospect of salt cavern energy storage technology
June 2025
The rapid development of energy storage technology has provided tremendous support for the energy transition in countries worldwide. Salt cavern energy storage, as a form of energy storage technology,...
Nitrogen injection for enhanced coal seam gas extraction (N2-ECGE):A simulation study
June 2025
As energy demand increases, the depth of mining is increasing, and methane disasters grow more serious, efficient extraction of methane is the ultimate method of preventing and controlling methane disasters....
A systematic review of Coda Wave Interferometry technique for evaluating rock behavior properties: From single to multiple perturbations
June 2025
Understanding rock behavior is crucial in mine geotechnical engineering to ensure construction efficiency, mitigate rock-related hazards, and promote environmental sustainability. Coda Wave Interferometry...
Spray dynamic collapse characteristics and mechanism induced by alcohol addition
Available online 9 June 2025
As renewable fuel, alcohol could be added into the fuel with low volatility to trigger flash boiling, which has been considered an effective method to facilitate the atomization of fuel sprays and reduce...
A novel method for calculating the dynamic reserves of tight gas wells considering stress sensitivity
March 2025
The precision of dynamic reserve calculations in gas reservoirs is crucial for the rational and efficient development of oil and gas fields and the formulation of gas well production plans. The Shaximiao...
Challenges and development direction of deep fragmented soft coalbed methane in China
March 2025
Developing deep fragmented soft coalbed methane (CBM) can significantly enhance domestic natural gas supplies, reduce reliance on imported energy, and bolster national energy security. This manuscript...
Experimental insights into frictional resistance and slip pattern of granite fractures and implications for thermoshearing prediction
March 2025
Rock fractures or faults could be reactivated by the thermal stress generated during the decay process of the high-level radioactive waste in deep geological repositories (DGRs). Understanding thermoshearing...
Dynamic tensile behaviour of rocks under confining pressure and high-rate loadings
March 2025
Tensile cracking is a predominant mode of failure in rocks within underground resource excavation and engineering structures, where rocks are frequently subjected to dynamic disturbances while simultaneously...
Mathematical principle and engineering application of end-mining technology with non-pillar
March 2025
To ameliorate the difficulties of on-site dynamic disaster control in the end-mining stage of traditional mining engineering, this paper introduces the mathematical research and engineering application...
Technology and equipment of deep-sea mining: State of the art and perspectives
March 2025
Rising demand for minerals and metals in high-tech and new energy industries has led to a great interest in exploration of seabed mineral resources. Such resources, including polymetallic nodule (PMN),...
Research status of creep–fatigue characteristics of salt rocks and stability of compressed air storage in salt caverns
March 2025
Energy is an important resource that supports the development of human society, and energy security is even more relevant to the strength of a country. In order to ensure energy security, countries...
A review on environmental assessment of thermochemical conversion technologies for energy generation from crop residue
Available online 27 August 2024
The world's energy consumption is on the rise due to the growing population. Biomass has great potential as an energy source for producing solid and liquid fuels from waste. The environmental impact...