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),...
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,...
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...
Machine learning-based upscaling of rock permeability from pore scale to core scale: Effect of training dataset size and sub-core volumes
March 2026
Permeability characterizes the capacity of porous formations to conduct fluids, thereby governing the performance of carbon capture, utilization, and storage (CCUS), hydrocarbon extraction, and subsurface...
Development of a transnational CO2 capture and storage super cluster to cut CO2 emissions in China’s East Coast: A perspective
March 2026
The development of a transnational carbon capture, utilization, and storage (CCUS) super cluster represents a novel approach to mitigate global carbon emissions. This study proposes the construction...
Overview of physical-mechanical-chemical properties of bedded salt as underground energy storage (UES) in China
March 2026
As the global demand for energy continues to rise, energy storage systems have emerged as a crucial component in attaining energy sustainability, which contributes to the balance between supply and...
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...
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...
Learning multi-phase flow and transport in fractured porous media with auto-regressive and recurrent graph neural networks
March 2026
In the past three decades, a wide array of computational methodologies and simulation frameworks have emerged to address the complexities of modeling flow and transport processes in fractured porous...
Calculation method of multi-stage gas lift process parameters in deep offshore low-permeability oil and gas fields
Available online 2 December 2025
To address the challenges of low drainage efficiency and structural limitations in testing deep offshore low-permeability reservoirs in the eastern South China Sea, this paper proposes an innovative...
Experimental study on mechanical damage properties and energy evolution characteristics of coal-rock combination under different interface conditions
March 2026
Indirect fracturing technology is a crucial method for enhancing gas extraction efficiency in broken soft coal seams. The cracks initiate from the roof strata, traverse the coal-rock interface, and...
Stability evaluation of horizontal connected salt cavern compressed air energy storage in low-grade dipping salt layers
Available online 2 December 2025
Compressed air energy storage (CAES) power plant is an important means of peak regulating and valley filling on the source side and load side of renewable energy, which plays an important role in ensuring...
Bridging 2D and 3D: High-fidelity pore network construction for sandstone transport property prediction
March 2026
We characterize the complex pore architecture of four diagenetically altered sandstone samples using micro-CT imaging. By quantifying the pore size and pore connection distributions, we establish that...
Geoscience-informed evaluation of U.S. natural gas storage reservoirs, aquifers and salt caverns
June 2026
In the United States, underground natural gas storage (UNGS) represents the world’s largest and most established subsurface storage network, with a total capacity of 9.2 Tscf, including 4.7 Tscf of...
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...
A review on environmental assessment of thermochemical conversion technologies for energy generation from crop residue
December 2025
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...
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)...
Numerical investigation on seepage characteristics of anthracite multi-scale pore-fracture structure
March 2026
The key to evaluate the effectiveness of coalbed methane (CBM) extraction is to establish an appropriate permeability model, however, the existing permeability models barely distinguish the influence...
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...
Numerical assessment of the influence of residual rock mass properties on destress blasting in deep mine
December 2025
Destress blasting is a widely adopted technique for mitigating rockburst hazards in deep underground excavations. However, its effectiveness is closely linked to the mechanical degradation characteristics...
Influence of salinity on gas-water capillary pressure behavior in carbonate reservoirs: Implications of underground gas storage
Available online 10 December 2025
Wettability is a key factor influencing fluid distribution and storage efficiency in subsurface reservoirs. Understanding how water salinity affects the wettability of carbonate rocks is critical for...
Characteristics of pore seepage and seepage patterns of rock masses surrounding salt cavern oil storage under crude oil and brine erosion conditions
December 2025
To ensure the airtightness of salt cavern oil storage in layered salt rock, this study investigates the porosity and permeability characteristics and seepage laws of the surrounding rock of the storage...
Characteristics of electrical response and permeability law of coal mass under electric pulse
December 2025
Improving the permeability of coal seam is the key factor to realize efficient and safe mining of coalbed gas. In order to study the effect of high-voltage pulse breakdown on coal permeability, the...
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...
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...
