1-20 of 53
Keywords: surface subsidence
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0126
... uruguay government mining science case study correspond horizontal seam surface subsidence seam condition romero benitez ARMA 23 0126 Prediction of ground movements under dipping seam conditions Romero Benitez, J.D., Maldonado, E., Agioutantis, Z. Department of Mining Engineering, University...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1127
... affects the salt above and around the caverns, puts stresses and strains on borehole casings, and creates surface subsidence which affects surface infrastructure. Therefore, accurate evaluation of salt creep behavior drives decisions about cavern operations. Parameters for the M-D model are typically fit...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1261
... ABSTRACT: Predicting the surface subsidence of a salt mine is of particular importance because the subsidence may lead to disaster during the salt mining. This paper aims to propose an inversion method of the subsidence of salt mining and apply it to a specific salt mine to verify its...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1398
... different and cycling cavern gas pressures simulating the gas demand peak over the whole year. The similarity criteria regarding salt cavern stability are established based on dimensional analysis. The dimensional relationships between surface subsidence, cavern volume reduction, in-situ stress, cavern gas...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1599
... and pillar stress was obtained from the numerical models. Surface subsidence was also calculated for each room-and-pillar panel. All three methods meet the stability factor requirement for safe secondary extraction. The Lift Left-Right method exhibits the highest stability factor while the Pillar Splitting...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1866
.... As this is an exploration well, mechanical properties such as Young's modulus and pore collapse pressure from nearby fields in the same region were used as a reference. The base case of the coupling simulation shows surface subsidence in a range of 2 meters without consideration of rapid deformation of rock due to pore...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0438
... ratio of each rock layer and the target responses were the field measurements of horizontal and vertical total stress profiles and the maximum surface subsidence. GP provided functions relating each response to the elastic properties. An optimization procedure using the interior-point algorithm...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-068
...- meter-deep, in-place inclinometer (IPI) monitoring well was drilled and installed over a 46-meter by 84-meter centers abutment pillar. In addition to the monitoring well, surface subsidence measurements and underground coal pillar pressure measurements were conducted as the 457-meter-wide longwall panel...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0150
... ABSTRACT: Hydrocarbon production or other activities involving extraction of underground fluids often cause surface subsidence with a time-lag. Such delay is often attributed to the rate-dependent rheological behavior of reservoir rocks. This paper proposes a thermomechanical model able...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-219
..., surface subsidence, and aquifer interference is largely controlled by local lithological conditions, mining methods and mine layouts. Thus it is imperative to develop methods/tools that, unlike empirically based strata desaturation height estimation methods, can properly consider all factors...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-370
... Abstract: In recent studies on the surface subsidence caused by hydrocarbon recovery of the Groningen gas field, the predicted subsidence is overestimated if results of compaction experiments are not corrected by an empirical ‘upscaling factor’. In order to find an explanation...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-320
... geomechanical behavior of the caverns. The analyses examined the overall performance of the West Hackberry site by evaluating surface subsidence, horizontal surface strains, and axial well strains. This report presents a case study of how large-scale computational analyses may be used in conjunction with site...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-538
... concurrent fluid injection into the reservoir. The loss of working fluid, surface subsidence, formation compaction, and induced seismicity are major shortfalls of the open-loop systems. To address the indicated challenges, closed-loop geothermal systems can be considered as an alternative option...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-037
..., resulting in circular steep sided, crater-like features. Trough subsidence is a gentle, gradual depression of the surface. Subsidence is controlled by many factors, including width of unsupported cavity, height of cavity, thickness of overburden, strength and fracture system of rock, hydrology, and time [1...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-240
... mining, such as the "voussoir beam" theory for analyzing the roof breaking law and shield support capacity, the "key strata" theory for controlling the surface subsidence, the dynamic load theory for determining supports capacity in large-cutting-height mining and top-coal caving mining and the coal wall...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-375
... Abstract Pore pressure reduction due to hydrocarbon extraction from gas reservoirs causes compaction of the reservoir rock accompanied by a redistribution of stresses in the surrounding rock mass, leading to sub-surface deformations and surface subsidence. There is evidence to suggest...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-323
... ABSTRACT In recent years numerical modeling has been shown to provide the opportunity to better investigate caving mechanisms and to increase our understanding of the factors governing caving induced subsidence. Cave development and surface subsidence are the products of complex rock mass...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-307
... ABSTRACT Surface subsidence may occur when gas and water are produced by depressurization below dissociation pressure from methane hydrate reservoirs. In this case, depending upon the location, surface subsidence must be evaluated to determine potential economical, environmental, and safety...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-511
... Oil & Gas surface subsidence database floor stability equation Applicability basin Illinois Basin vesic-speck approach stability factor Speck coal pillar stability pillar bearing capacity model ARMA 11-511 Applicability of the Vesic-Speck Floor Bearing Capacity Model to Size...

Product(s) added to cart

Close Modal