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Keywords: overburden
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0078
... where such tests are normally performed (usually in competent claystone) and identify potential weak zones. Reservoir Characterization Upstream Oil & Gas sonic stress method horizontal stress Poisson overburden variation good match determination stress method stress determination...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0417
.... The objective of this work is to present the tests results, how they were performed and the operational problems faced, always seeking the shortest rig time. These results favored the understanding of the reservoir and cap rock behavior. structural geology aperture overburden pressure Upstream Oil...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-610
... ABSTRACT: A multi-scenario geomechanical modeling approach is presented to investigate the potential mechanisms that lead to a series of observed well deformation incidents in the deep overburden overlying a depleting and compacting chalk reservoir in the North Sea. Complementary...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-949
... ABSTRACT: Fluid production from or injection into a subsurface reservoir leads to stress pressure changes inside and outside the reservoir. The overburden often consists of low permeability shale, and the undrained pore pressure response may be estimated from Skempton’s empirical equations...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-554
... ABSTRACT: Multi-scale numerical geomechanical models for reservoir and overburden deformation in the Tyra chalk field (Denmark) were made, and calibrated by laboratory deformation tests and field data. The mechanical interaction between the compacting and deforming formation, cement...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-647
... is of great importance for future studies and applications, adding up previous knowledge to new scenarios. wellbore integrity Artificial Intelligence enhanced recovery Reservoir Characterization waterflooding overburden layer thickness Upstream Oil & Gas integrity assessment Thickness...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-214
... mining. NIOSH and mine personnel discovered that overburden thickness in excess of 609.6 meters (2000 feet), 0.6 to 1.8 meters (2 to 6 feet) of water sensitive fireclay in the floor and massive sandstones in the roof, horizontal stress orientation and bottom of coal elevations were all contributing...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1042
... in the overburden. This paper presents the results of a case study in which the 5.3 local magnitude seismic event associated with a documented mine collapse is correlated with the results of a numerical simulation through calculations of released kinetic energy. The approach includes a calibration of strain...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0735
...-production changes of the overburden. In this paper, a comprehensive 3D geomechanical model is presented that was used as a key design foundation for safe HP/HT well delivery. The model results and interpretations are discussed, and a summary of the current understanding of the evolution of the overburden...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0238
... eastern and western U.S. mines. Reservoir Characterization US government Artificial Intelligence reservoir geomechanics esterhuizen Ground Control subsidence pillar overburden coal material proceedings gob parameter mining strength sandstone MPa metals & mining field...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-318
... design, which initially estimated almost no drilling window using a linear-elastic assumption; a mismatch with a field drilling experience. In the end, applicability of calculated plasticity on the collapse gradient is discussed. wellbore integrity overburden stability analysis extension...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-037
..., and sequestration of CO 2 and hazardous waste. Predicting and mitigating out-of-zone fluid migration includes but goes beyond maintaining well integrity: it relies on technical understanding of top and fault seals, reservoir and overburden deformation, production/injection-induced stress changes, reservoir...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-100
... of migration of CO 2 from geological storage units. Some of these methods are already utilized for real cases of leaking CO 2 , while some of them are tested only at the laboratory scale. remediation flow in porous media chemical flooding methods hydraulic fracturing land reclamation overburden...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-351
... the overburden and the pore pressure. 1. INTRODUCTION In the last five years, unconventional reservoirs in Argentina, particularly in the Neuquen Basin, have been intensively developed, mainly for the needs to have new sources of hydrocarbons to supplement the production of the already exploited...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7054
... for long time periods. If backfilling of the repository rooms is taken into account, the frac criterion is satisfied too. reservoir geomechanics modeling Reservoir Characterization overburden solid waste management calculation southern part dilatant rock zone frac criterion geological...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7199
... Abstract Stability of large room-and-pillar panels, which is a function of mechanical response of typically large number of pillars and deformation of the overburden on the scale of the entire panel, could be a challenging problem to analyze because it requires consideration of deformation...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-163
... in the reservoir and the overburden, and to improve history-matching, reserve estimation, and production forecast. With 1.3 million grid cells and 56 layers in the geomechanical model, different coupling schemes have been investigated and compared to recommend the most effective approach. The model is calibrated...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-446
... and the geomechanical rock properties of different lithostratigraphic units. reservoir geomechanics overburden effective stress change gas reservoir Upstream Oil & Gas Netherlands Reservoir Characterization shear stress change co 2 rock property aspect ratio gas field geomechanical modeling...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-254
... value, and therefore very high leakoff values, even greater than the overburden, are possible at the crest of these dipping structures. We also show that principal stresses may rotate, and the direction of the least principal stress can become vertical. Furthermore, the elevated pore pressures can lead...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-200
... arch” in the surrounding rocks over the gasification zone is essential to the safety and success of an UCG project. This paper presents the laboratory testing results on the specimens collected from the overburden of Harmon lignite bed (Fort Union Formation) in western North Dakota. The results can...

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