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Keywords: extraction
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Proceedings Papers
Investigating the Energy Balance of Two Mining Methods Set in a Deep Underground Metal Mine in the U.S.
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0020
... geological subdiscipline reservoir geomechanics geologist geomechanics fragmentation geology reservoir characterization contour national institute proceedings displacement niosh hecla mining company extraction fragmented ore itasca consulting group magnitude occupational safety ucb lful...
Proceedings Papers
Key Design Parameters for Enhanced Geothermal System (EGS)
Available to PurchaseAbdesselem Dehdouh, Ilyas Mellal, Nassima Bettir, Cilia Abdelhamid, Lotfi Allam, Vamegh Rasouli, Emmanuel Gyimah
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0894
... ABSTRACT: Enhanced Geothermal Systems (EGS) offer significant potential for clean energy extraction from hot rock formations. However, maintaining high flow circulation, maximizing heat extraction, and minimizing thermal losses remain major challenges. This study presents a modeling...
Proceedings Papers
Numerical Simulation of Ground Subsidence Due to Oil and Gas Extraction from Creeping Reservoirs
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0963
... of the ground subsidence rate. In order to ascertain the extent of ground subsidence resulting from oil and gas extraction and to consider the impact of creep in rock formations, it was necessary to conduct a comprehensive study. In this paper, we analyse the data from creep experiments on underground shale...
Proceedings Papers
Geotechnical Design for Open Pit Coal Mining in Proximity to Electrical Power Lines: Risks, Mitigation, and Regulatory Compliance
Available to PurchaseT. Zvarivadza, S. Ng’andu, L. Zindi, M. Mohutsiwa, R. T. Masethe, A. C. Adoko, M. Onifade, T. Chikande, S. Moyo, A. A. Firoozi
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1003
... lines unless deemed safe at closer distances. To balance safety with economic considerations, a detailed geotechnical risk assessment was performed to reduce this distance without compromising safety. This practical study is pivotal in optimising coal extraction while ensuring the integrity and safety...
Proceedings Papers
Investigation into the Rock Mass Response to Pillar Extraction in a Hard Rock Tabular Mine
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1011
... ABSTRACT: Historically, secondary pillar extraction has been successful in the soft rock mining environment. Several hard rock platinum mines have conducted selective remnant extraction with backfill as a regional support measure. A hard rock tabular platinum mine instigated the extraction...
Proceedings Papers
Advances in Hot Dry Rock Engineering for Extracting Heat from Earth: From Permeability Enhancement Strategies to Field Experiences in Enhanced Geothermal Systems (EGS)
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1141
.... These formations, located deep underground with high temperatures but low permeability, require innovative engineering to extract heat. The process involves circulating a fluid to transport heat to the surface, thus enabling power generation. The key to utilizing HDR lies in the generation of a conduit path...
Proceedings Papers
Maximizing Geothermal Energy Recovery from Enhanced Geothermal Systems Through Huff-And-Puff: A Comprehensive Simulation Study
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0177
... reservoir geomechanics enhanced recovery modeling & simulation geological subdiscipline injection feasibility extraction comparison puff system breakthrough maximizing geothermal energy recovery huff-and-puff cycle enhanced geothermal system constraint comprehensive simulation study...
Proceedings Papers
Study on the Damage Mechanism of Rock Around Wells Subjected to Impact Loading
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0363
... energy has the characteristics of low carbon, environmental protection, stability and high efficiency. It is one of the most competitive renewable and clean energy sources (Yu et al., 2018). Geothermal resources are mainly divided into open heat extraction and closed heat extraction according...
Proceedings Papers
Automation of Underground Void and Support Deformation Monitoring – Effective Decision-Making Data and Tools Without the Penalty in Time and Effort
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0312
... this issue. cloud software deformation geotechnical engineer information risk management geomechanics lidar support deformation monitoring comparison artificial intelligence australian centre expansion extraction tracking perth underground void western australia ARMA 24 312...
Proceedings Papers
Geological Feature Extraction and Data-Driven Production Prediction Based on Well Logging Data
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0406
... to incomplete encapsulation of formation complexities. This research, however, employed objective recorded data to enhance data credibility. Leveraging a convolutional neural network model, precise production predictions were achieved through the extraction of abstract features from the logging data. The study...
Proceedings Papers
Need and Design of a Field Test to Improve the Knowledge on Strength and Behavior of Massive Hard-Rock Pillars in Deep Mines
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0400
... ABSTRACT Pillars have a central role in an active stress management approach, which has been proposed for the extraction of thick tabular and massive hard-rock mineral deposits. A mining method making use of this approach, is the novel raise caving mining method. Initially, the pillars have...
Proceedings Papers
Numerical Investigation of Geothermal Storage and Extraction Using Huff-N-Puff Wells
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0494
... ABSTRACT The subsurface geothermal energy storage system uses underground temperatures for energy extraction and storage. The energy is extracted by an injection-production-shut in procedure. Working fluids (i.e., water) are injected into the underground and heated by the subsurface high...
Proceedings Papers
Fractures Extraction from Core SEM Images Based on Double-Side Inspection and Morphological Completion
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0599
... ABSTRACT Accurate identification and extraction of fractures in core scanning electron microscope (SEM) images are particularly important for understanding and evaluating fractures in rocks. At present, most of the fracture extraction methods do not take into account the characteristics...
Proceedings Papers
Rock Salt Block Extraction Using Conventional Rock Mining Methods
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0579
... profitably salt may be produced for value addition. When the blocks have very few cracks, adding value to the salt is simpler. The current method of extracting salt includes drilling and blasting that causes unintended cracks in the blocks. The extraction of rock salt blocks using traditional cuboid-shaped...
Proceedings Papers
Impact of Geomechanics on Hydrothermal Fluid Pathways in Enhanced Geothermal Systems: A Review
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0187
... and fracture pathway created for efficient extraction of heat in EGS reservoir. This review will contribute to the state-of-knowledge on the impact of geomechanics on fractomechanical behavior in EGS. INTRODUCTION Among several sustainable energy alternatives, geothermal energy has been widely recognized...
Proceedings Papers
A Microscale Thermo-Hydro-Mechanical (THM) Model for Thermal Recovery of Shale Gas
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0219
... ABSTRACT Studies have shown that up to 85% of total shale gas-in-place could be adsorbed gas. Thus, how much more adsorbed gas can be extracted will significantly impact the ultimate gas recovery. In recent years, the concept of using thermal stimulation to enhance shale gas recovery has been...
Proceedings Papers
A Study of Natural Gas Hydrate Reservoir Stimulation by Combining Radial Well Fracturing and Depressurization
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0230
...). The effective development and utilization of natural gas hydrate has significant implications for the world’s energy landscape, climate change and other issues(Cui et al., 2019; Li et al., 2016). Conventional methods of gas hydrates extraction include: depressurization, thermal stimulation, CO 2 replacement...
Proceedings Papers
Temporal Variation in CT Values of Pore Water in Granite Fracture Subjected to Long-Term Confining Pressure and Temperature
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0418
... minerals, which are greatly affected by the confining pressure and temperature, are important issues in studies on the geological disposal of radioactive waste (Tsang et al. 2012; Watson et al. 2018), enhanced geothermal systems (EGS) (Pruess 2006; Gerber and Marechal 2012), and petroleum extraction (Chen...
Proceedings Papers
Study on Heat Extraction Performance of 3D Enhanced Geothermal System with Faults Connected
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0644
... ABSTRACT: Enhanced geothermal system (EGS) is the major way to extract heat from impermeable hot dry rocks. As heat mining process in EGS is complex, effective numerical simulation method is required. Lots of EGS simulation models are proposed with different kinds of fracture system using...
Proceedings Papers
Numerical Investigation on Heat Extraction Performance of the Enhanced Geothermal System Based on the Wellbore-Reservoir Coupling Model
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0433
... Abstract Increasing number studies were conducted to explore the heat extraction performance of the enhanced geothermal system (EGS). However, most previous studies ignore the wellbore fluid flow and heat transfer effects and the variation of water thermophysical properties. It is difficult...
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