A caprock integrity assessment to optimize CO2 storage using coupled geomechanics: a case study of the Angostura Field.
Available online 7 April 2026
Long-term storage of carbon dioxide (CO2) in depleted hydrocarbon reservoirs or deep saline aquifers heavily depends on the sealing performance of the caprock. Therefore, it is crucial to evaluate the...
Multidimensional thorough perception system for surrounding rock disasters in underground engineering and its application
February 2026
The excavation process in large underground engineering projects faces the challenges of various disasters, and safety monitoring is an important method for addressing these challenges. To ensure the...
Infrared thermal image detection method of stressed sandstone fracture based on deep learning
February 2026
Under stress, multiple cracks in the localized damaged zones in mine rock masses will expand and connect, which can lead to the rock mass instability and failure. Rapid, accurate identification of cracks...
Casing damage in oil and water wells: Causes and prevention
February 2026
Casing damage represents a persistent and multifaceted challenge in oil and gas development, often manifesting as structural deformation, rupture, or seal failure. These issues not only compromise well...
Improving deconvolution reliability in well test analysis with an automated objective function
February 2026
Deconvolution is a mathematical technique that eliminates the effects of production rate variations in pressure transient data, enabling the recovery of a smoother pressure signal extended across both...
Numerical and experimental studies of the natural mixing behavior between an uncemented paste backfill and dumped waste rock in stopes from laboratory toward field conditions. Part I: Calibration and validation of a numerical model
February 2026
Underground mining operations generate large volumes of waste rock (WR). Transporting this material to the surface requires significant energy and incurs operational costs. As an alternative, WR can...
An innovative approach for oil well bottomhole pressure forecasting using Kolmogorov-Arnold Neural Networks (KANs): A case study in an offshore oilfield
February 2026
This study introduces a novel method for bottomhole pressure (BHP) prediction utilizing the Kolmogorov-Arnold Network (KAN) machine learning algorithm. The KAN model is an interpretable neural network...
A machine learning based attitude control model for open-type TBMs on the spiral ramp of Beishan underground research laboratory
Available online 26 February 2026
Precise attitude control of Tunnel Boring Machines (TBM) is critically important for ensuring tunneling quality and safety, especially in tunnels with steep slopes, long curves, or small turning radii....
A micromechanics-based multiscale modeling of heterogeneous rocks with a complex microstructure
Available online 20 January 2026
For the micromechanical analysis of heterogeneous materials, this study develops a new macroscopic yield criterion tailored to composites exhibiting a porous matrix-inclusion microstructure. At the...
Numerical and experimental studies of the natural mixing behavior between an uncemented paste backfill and dumped waste rock in stopes from laboratory toward field conditions. Part II: Application and prediction of the validated and calibrated numerical model
Available online 19 January 2026
Directly dumping waste rocks (WR) underground produced into mine stopes being filled with cemented paste backfill offers several advantages. However, this practice can also present certain risks, especially...
Insight into undercut-induced ground deformations in cave mines
Available online 15 January 2026
As underground cave mines transition to greater depths, they face the unavoidable challenge of managing stress-driven instabilities on the extraction level, particularly those resulting from high abutment...
Numerical simulation on the effect of cold shock on the initiation and propagation of microcracks in granite with different grain sizes
Available online 14 January 2026
To clarify how grain size affects the thermal damage behavior of granite subjected to cold shock, the hybrid finite-discrete element method (HFDEM) was applied to establish granite numerical models...
Response induced by transient blasting or seismic P-wave around a diversion tunnel with an imperfect rock-liner interface
Available online 13 January 2026
The work focuses on transient response of a deep-buried circular lined diversion tunnel with an imperfect rock-liner interface, which is full of water, subjected to an aperiodic blasting or seismic...
Mechanism of transient phase transition in liquid oxygen with different absorbent media
Available online 25 December 2025
This study captures transient phase change reaction images of dual liquid oxygen charges with different absorbent media in the same frame using a high-speed camera. Based on grayscale image temporal...
A study on the safety of nuclear waste isolation in claystone under coupled hydro-mechanical-seepage processes: An engineering geology perspective based on a generalized numerical model
Available online 16 December 2025
Claystone formations, such as France’s Callovo-Oxfordian (COx) claystone, Switzerland’s Opalinus (OPA) claystone and Belgium’s Boom clay, are increasingly regarded as optimal candidates for deep geological...
Analysis of physico-mechanical properties and pore structure characteristics of thermally damaged sandstone
November 2025
Under the conditions of underground coal gasification (UCG), the pore structure and mechanical properties of overlying rocks are crucial for the stability of surrounding strata. Therefore, it is of...
Fracture mechanism of tunnel surrounding rock induced by blasting disturbances: Experiments and numerical simulations
November 2025
The inversion of the source mechanism is a critical step in revealing and understanding the mechanisms of rock mass failure and guiding the prevention and control of ground pressure disasters. Under...
Damage and control of mining surface deformation: Research status, hot spots and trends
November 2025
In order to master the research status, hotspots and trends of mining surface deformation (MSD) in metal mines, exploring the green and sustainable development path of mines, 2241 articles in the Web...
Concept to proof long-term safety of abandoned salt mines by hydro-mechanical coupled simulations with FLAC3D and Ansys Fluent
November 2025
Evaluation and prediction of the long-term behavior of abandoned mines have to consider complex interactions of different physical processes. The hydro-mechanical coupling plays an important role for...
Reservoir heterogeneity and its role in long-term CO₂ storage performance: A case study of Air Benakat formation
November 2025
Indonesia’s strategy for attaining net-zero emissions by 2050 is contingent upon carbon capture and storage (CCS). The long-term CO₂ storage performance of Air Benakat formation in the South Sumatra...
A review of the geological characterization, classification, modeling, and case studies of anisotropic rock masses
November 2025
Rock anisotropy caused by inherent structures like bedding, foliation, and micro-fractures directly influences strength, deformability, and stress distribution variations. These directional changes...
Dynamic responses of coal-rock-bolt composite with axial pre-stress and confining pressure
Available online 13 November 2025
The stability of coal-rock-bolt composite (CRB) structures is critical in deep coal mining, particularly concerning damage mechanisms under combined static and dynamic loading conditions. This study...
Numerical study on the mechanism of tool impact fragmentation in heterogeneous rock under confining pressure
Available online 10 November 2025
To address the problems of damage observation and stress extraction during the impact breaking of granite by tools under confining pressure, a numerical model for the fragmentation of heterogeneous...
Influence of initial stress difference on the hard rock fracture mechanism under stepwise unloading during large high-stress underground powerhouse layered excavation
Available online 28 October 2025
With the continuous advancement of deep resource exploitation and underground engineering construction, the mechanical behavior and failure mechanisms of hard rock under stepwise unloading during Layered...
Three-dimensional deformation response of cement stone under true triaxial compression
August 2025
Three-dimensional deformation properties of cement stone are crucial for the stability and safety of shafts. To explore these properties, a series of true triaxial tests adopting common loading path...