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Keywords: compaction
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0457
... NGI database and previous tests on synthetic mixtures of clay and silt. M and k are key input to a range of analysis i.e. settlement of structures (geotechnical), burial compaction in sedimentary basins, surface settlement or heave from petroleum production or subsurface CO 2 storage. New empirical...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0969
... zones from thermal effects, large-footprint pressure plumes from fluid diffusion, and possible continuing reservoir inelastic compaction. The workflow of coupling these processes to rock mechanics for geomechanical assessment is based on numerical or (semi-)analytical solutions. Among the latter...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1058
... ABSTRACT: Reservoir depletion during hydrocarbon production can lead to rock compaction. This compaction is caused by the progressive decrease in pore pressure within the porous matrix. This paper presents an axisymmetric numerical approach to evaluate the integrity of the cement and casings...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0951
... to the potential alteration of their flow properties caused by deformation above depleted and compacting reservoirs. Diatomite formations present in the overburden of hydrocarbon fields in the Danish North Sea are one of the main formations that may need to be plugged. Diatomite formations have a unique structure...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0247
... by grain breakage. Additionally, the fault gouge has a high tendency to dilation under low normal stress, causing an increase in permeability; while the fault gouge compacts rapidly due to grain breakage under high normal stress, leading to the decrease in permeability. Consequently, a constitutive model...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0341
... of the waste in long-term. For safety assessment, a qualified prognosis of the crushed salts long-term behavior is crucial. This includes full knowledge and understanding of the thermal-hydraulic-mechanical coupled process, as well as a reliable numerical prediction of the compaction in long-term...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0690
... ABSTRACT MicroCT imaging is performed before and after confined compression testing on a minicore of Boise sandstone in order to extract quantitative information regarding the microstructural controls on compaction initiation and distribution, with the ultimate goal of formulating...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0673
... show that fast injection prevents significant compaction in the reservoir. Besides, the calculated shear deformation in the overburden is utilised to study wellbore stability during storage. The results indicate that the accurate characterisation of the porosity distribution in the reservoir as well...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0815
... materials fracture conductivity horizontal well hydraulic fracture proppant conductivity reservoir geomechanics fracture gas production non-uniform proppant distribution significant impact gas recovery marcellus shale initial fracture conductivity compaction ARMA 23 0815 Impact of Proppant...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0958
... ABSTRACT Laboratory rock deformation has been extensively studied using in-situ optical and X-ray imaging and acoustic emissions (AE) measurements. These measurements have revealed rich kinematics across scales during sandstone compaction, from grain-scale breakage to sample-scale shear...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0170
... the microscale geometry can be realistically represented. The THMC model was achieved by linking a microscale mechanical code based on the numerical manifold method (NMM) to the reactive transport model Crunch. Using this first-of-its-kind microscale model, we show the results of compaction within a halite...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0246
... to reservoir compaction could cause buckling collapse and/or cement failure (Smith et al., 2011 and Parimal et al., 2021). These processes and mechanisms can be complex and need to be modelled simultaneously as they inter-relate between them. Hence, the assessment of the geomechanical-related risks to manage...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0248
... characteristics was observed. It was found that injectivity was controlled by the interplay of fines transport away from the injection region, resulting in injectivity increase, and the permanent compaction of the sand around the cavity, resulting in injectivity decrease. The first-time insights highlight...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0360
... ABSTRACT: Water weakening effect in the chalk reservoir causes additional compaction due to the interaction between the rock and injected water. To consider the impact of the coupled interactions on the fluid transport (e.g., production) and reservoir deformation due to the seawater injection...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0291
.... Strength and elastic moduli increase with increasing effective pressure for the triaxial tests. Dry room temperature tests are generally the strongest, while the samples deformed at 100 °C exhibit large permanent compaction even at low effective pressures. Water permeability decreases by 1-2 orders...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0379
... ABSTRACT: The experimental studies highlighting the strength weakening of chalk when water replaces oil in pore space have incited geomodellers to systematically solve for the effect of water saturation on chalk strength at each simulation step to estimate reservoir compaction. The present...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0527
... particles are predominantly specks (up to 3mm), however more rarely they can be > 5mm (T Fuller & Hann, 2019). gold mining reservoir characterization safety compaction upstream oil & gas operation steel storage hann thickness metals & mining retrieved backfill australia...

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