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Keywords: operation
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1213
... ABSTRACT: In this study, hydraulic fracturing (HF) operations are re-modelled with discrete fracture network(DFN) approach taking into account natural fractures by input parameters utilized in FracMan software. HF operations are mainly designed by core data from wells. This paper presents...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1044
... as the variation of dam saturation line under normal operation condition and flood condition. The results suggested that, the tailings particles gradually became finer along the dry beach towards the reservior and the particle size decreased slightly with the depth. The permeability coefficient of tailings...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1635
... ABSTRACT: An advanced 3D hydraulic fracturing model has been developed for simulating complex hydraulic fracturing such as multistage hydraulic fracture operation in shale and tight plays. The model utilized eXtended Finite Element Method (XFEM) to simulate injection of fracturing fluid...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1243
... ABSTRACT: High-temperature geothermal battery storage is a concept for stabilizing the grid due to increasing intermittent renewable resources. Questions on the potential site's feasibility and the optimal operation design of the geothermal battery are addressed in this paper by coupling...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1808
... ratio displacement upstream oil & gas operation microseismic event weijermar stress anisotropy linear superposition method microseismicity complex reservoir hydraulic fracture texas hft well fracture treatment principal stress trajectory individual fracture technology conference...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1932
... injection and on the assessment of the hydraulic enhancement achievable with stimulation operations. Specifically, we want to understand the effective hydraulic parameters of stimulated intervals, either with pre-existing fractures or initially intact, and how these compare to that of untreated pre-existing...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1073
... ABSTRACT: Alberta oilsands operators (operators) in in-situ oil-sands development take caprock-integrity issues seriously. Operators used a safety factor of 80% to determine the Maximum Operation Pressure (MOP) for steam-assisted gravity drainage (SAGD) operations. For example, MOP=80%* σ min...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2097
... in underground natural gas storage, so there is very little research on its stability. In this paper, a geomechanical model for the stability evaluation of the double-well salt cavity gas storage is established, the stability analysis of the double-well salt cavity under different operating pressures is carried...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1431
... length that need to be considered to predict the production response of refracturing as some wells showed a high gain during the first three months after refracturing, while other wells showed a lower production gain during the first three months after refracturing. Moreover, the refracturing operations...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1694
... cement degradation operation upstream oil & gas cement cement-formation interface wellbore design cement failure downhole condition mpa reservoir characterization reduction interface degradation mechanics geomechanics symposium variation cement plug wellbore system tol bulk...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1220
... ABSTRACT: A geomechanical study was performed for a fault activation sequence in Western Canada to assess how various operational changes hydraulic fracture design impacts seismicity. A discrete-element code with coupled hydraulic-mechanical-seismic capability was calibrated to field...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2012
... and discuss some key improvement opportunities, such as: 1 - The use of nano-fluids to improve the drilling fluids properties, and artificial intelligence (AI) to provide reliability of drilling fluids selection, aiming to make the whole drilling operation safer and minimize non-productive time; 2 - New...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0043
... scale instability, large seismic events or inrushes the analysis and decision-making process during design and operations is harder to prescribe. Often, only the measurement and observation tasks at a mine are properly documented, and the ensuing analysis and critical remedial actions are not prescribed...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0438
... straightforward method to estimate parameters of a geomechanical model. machine learning parameter calibration Upstream Oil & Gas surface subsidence genetic programming Artificial Intelligence calibration operation target response stress Profile gp function optimization procedure elastic...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1611
... ABSTRACT ABSTRACT: Field development from exploration to abandonment benefits from using geomechanical modeling for making better long-term operational and management decisions. Geomechanics has become an essential part of the petroleum industry’s daily route due to increasing challenges...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1561
..., the criteria underestimate the slot aperture for coarser sands and conventional liquid production operations. This conservative approach may result in lower productivity performances and diminish the benefits of the high OFA. sand control steam-assisted gravity drainage sand production enhanced...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1597
... tunnel operation excavation outlet shaft project management Reservoir Characterization completion diameter neighborhood bedrock shaft contractor tunnel fractured rock zone strategic planning and management TBM communication albany park stormwater diversion tunnel construction Chicago...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1578
... fracturing operations. It is shown that 20 induced seismicity events with magnitude larger than 1.5 were detected by regional seismological networks, with depth ranging from 2,313m to 3,850m below the sea level. Four faults are identified using the ant-tracking technique. Their distributions are consistent...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1975
... ABSTRACT: During the long-term operation phase of storage caverns there occur convergence-induced additional stresses within the construction of a cavern well (casing, annulus cementation), especially in the lower part of the well. These additional stresses may lead to a local loss of well...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2063
... boundary vibration operation numerical model Rayleigh excavation 1. INTRODUCTION The stability of underground mine excavations subjected to drilling and blasting vibrations has been a major concern. Different mining methods are employed based on different mining conditions and method of ore...

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