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Keywords: recovery
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0062
... temperature increases. The velocity of both shear and compressional waves were being monitored as a function of temperature. The tested resin of coated proppant sample has been housed in pressurized vessel. The pressurized vessel was subjected to varying temperature profile to mimic the recovery of the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0293
... permeability can rebound through water flushing. However, high guar concentration of the gel was found to result in the uncompleted gel breaking, thereby making it difficult for the hydraulic fracture and natural fracture to get good permeability recovery during water flushing. The findings of this study can...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1948
... ABSTRACT: This paper describes a case study of early mining at the Kittilä Mine and the recovery of the first sill pillars in the Roura and Suuri orebodies. Mining of the first secondary stopes in Roura led to local instability. Both footwall and hanging wall contacts consisted of tightly...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1749
... mathematical model for the carbon dioxide enhanced oil recovery in shale gas reservoirs is established. The study concluded that the size of the Stimulated Reservoir Volume (SRV), the number of hydraulic fractures, and the fracture aperture all had a significant effect on the initial shale gas reservoir...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1875
... North Dakota pore-size distribution coates Upstream Oil & Gas middle Bakken core sample relaxation time unconventional reservoir Reservoir Characterization Artificial Intelligence jabbari porosity NMR permeability recovery Bakken formation lithofacies pore size reservoir...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-655
... extending from Level 20 to Level 16 (Fig. 2). The mining strategy consisted of excavating and backfilling the upper most stopes up to Level 16 before the open pit reached its final depth. The recovery of the crown pillar between the pit bottom and Level 16 was not fully detailed in the initial mine planning...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-214
... southwestern Virginia mining in the Pocahontas Number 3 seam completed the longwall recovery in Panel 25. After the recovery was complete and mining resumed in Panel 26, slight floor heave of one or two inches was observed in the mains entries 7 and 8 just north of the Panel 25 recovery area. After the...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-256
..., instantaneous shut-in pressure and fluid flow recovery among the different injection intervals indicate different stress conditions north and south of S3. hydraulic fracturing shear zone flow in porous media Fluid Dynamics jalali Upstream Oil & Gas stimulation experiment geometry borehole...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0083
... ABSTRACT: We investigate the potential benefits of injecting the mixtures of CO 2 and N 2 into shale reservoirs to both optimize recovery of natural gas and to sequester CO 2 . In this work, we develop dual-porosity, dual-permeability finite element models to simulate multicomponent gas...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-115
... Upstream Oil & Gas friction critical state model structural geology modeling axial strain boundary surface healing recovery constitutive model Reservoir Characterization Rock Structure Simulation rock friction MPa Health & Medicine state boundary surface strength decay...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-438
... Abstract The current technique to produce shale oil is through primary depletion using horizontal wells with multiple transverse fractures. The oil recovery in oil-bearing shale reservoirs may be less than 10%, which leaves a large percentage of the oil unrecoverable without enhanced oil...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-087
... Abstract This study aims to model anisotropic damage (i.e. increase of porosity and loss of stiffness) and healing (i.e. recovery of stiffness) in salt rock subject to microcrack initiation, propagation, and rebonding. We introduce enriched fabric tensors in a Continuum Damage Mechanics model...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-6959
... Abstract Creep processes in halite (salt rock) include glide, cross-slip, diffusion and dynamic recrystallization. Diffusive Mass Transfer (DMT) can result in crack rebonding, and mechanical stiffness recovery. On the one hand, viscoplastic laws relating creep microscopic processes to...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7051
... demonstrated by recalculating multi-step creep at different loading and temperature conditions. Thus reliable extrapolations relevant to in-situ creep rates (10 -9 to 10 -13 s -1 ) become possible. rock salt reservoir geomechanics MPa recovery two-step creep test Reservoir Characterization...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7527
... Abstract Shale gas has become an increasingly important source of natural gas ( CH 4 ) in the United States over the last decade. Due to its unconventional characteristics, injecting carbondioxide ( CO 2 ) to enhance shale gas recovery (ESGR) is a potentially feasible method to increase gas...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-316
... waste management Fluid Dynamics deviatoric stress Reservoir Characterization crack density tensor recovery flow in porous media Simulation healing variable Upstream Oil & Gas increment tensor triaxial compression test healing compression phase stiffness salt rock anisotropic...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-282
... up to 30%. The poor track record experienced from several of these new mines brings into question whether the ‘state of the art’ in cave flow and recovery prediction tools can be confidently applied, both empirical and numerical methods. Empirical models are by definition only applicable when applied...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-495
... verified by the results which were obtained when recalculating different laboratory tests. Evidently, hardening is governed by the processes of deformation and recovery on the one hand and by those of damage on the other one, i.e. the formulation of the constitutive law is based just on those processes of...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-288
... ABSTRACT: We present laboratory results on oil recovery in fractured carbonate rocks, emphasizing impacts from wettability, the presence of fractures and changes in fracture properties at different hydrostatic stress conditions. The in situ development in water and oil saturations in the...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-440
... Upstream Oil & Gas porosity shale gas gas production gas shale complex reservoir stimulation Marcellus Shale critical evaluation maximum horizontal stress fracture hydraulic fracturing unconventional gas recovery recovery production rate Drilling united states hydraulic...

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