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Keywords: compaction
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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 tunnel armco superlite fosterville culvert thickness metals & mining retrieved backfill australia...
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-2022-0291
.... 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-2022-0804
... the potential challenges and risk of CO 2 injection and storage including the impact of reservoir compaction towards final CO 2 storage capacity, fault reactivation, caprock integrity and final injection limit. Advanced numerical coupled modelling for high porosity and highly compactable reservoir capturing...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0805
.... hydraulic fracturing fracture conductivity experiment embedment imprint upstream oil & gas conductivity embedment compaction shale fracturing fluid fracturing materials fracture modeling reduction proppant proppant embedment permeability proppant-filled fracture platen engineering...
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-2022-0749
...: (a) the fault stability model, (b) the poro-elastic model, c) the poro-elasto-plastic compaction model using the Modified Cam-Clay or Mohr-Coulomb model. This paper presents a comparison of the above three types 1DMEM. The assumptions used by each model are examined and their limits of applicability...
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-2022-0379
... 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 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1784
...-dependent deformation due to volumetric compaction and fracture closure. Damage increase results in decrease of the effective viscosity of the material. 1. Introduction Time-dependent compaction or loss of pore volume due to external applied stress is important to understand porosity loss in earth...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1998
... is to assess chalk weakening induced by chemical interactions by performing 1-D compaction simulations under three different waterflooding scenarios in the Dan field. While scenario 2 assumes Na 2 SO 4 brine injection, scenarios 1 and 3 simulate MgCl 2 brine injected in pure and impure chalk. These scenarios...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1096
... Abstract Microscale numerical modeling is an effective approach for understanding salt creep. However, it is quite challenging because of evolving salt grain boundaries that are discontinuous, and dynamic contacts between these deformable salt mineral grains as a result of compaction, chemical...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1137
... Abstract Pore pressure prediction in shales undergoing compaction, including both mechanical and chemical processes, is customarily related to the mechanism referred to disequilibrium compaction. However, even when this mechanism is established and the normal compaction trend in sonic velocity...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1978
... reservoir deformation under different geological settings and production strategies. After a first phase of data calibration, this second phase consists of a series of 1-D simulations in three locations in the Dan and Halfdan fields. A strain rate dependent constitutive model simulates compaction along...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1662
... analyses for borehole stability. Experiments are designed to evaluate the compaction behavior of this highly porous rock and its effect on borehole stability. Outcomes of this collaboration will include experimental data under geologic conditions relevant to radioactive waste disposal and new, validated...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1602
... fracture closure experiments were conducted on clay-rich and carbonate-rich Wolfcamp shale samples, under elevated stress (effective stress ~27 MPa) and temperature (~122°C). A specially designed oedometric compaction cell was used, which allowed optical in-situ visualization of the interaction between...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1647
... of Mexico. The modeled shale pressure depletion was then converted to strain using assumptions on compressibility. The strain estimates were subsequently compared with the strain measurements data acquired from Formation Compaction Monitoring logging across various sands in several wells in the field...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0085
... compaction Reservoir Characterization Upstream Oil & Gas transverse flow Fluid Dynamics shale overburden stress boundary condition correction factor configuration stress path permeability plug core plug pressure dependent permeability gas permeability test configuration Magnitude...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0226
... ABSTRACT: Recognizing and quantifying geomechanical risk is often impaired by a lack of input data. To assist the assessment of depletion-induced reservoir compaction of sandstones, we developed a new set of correlations that fully respect the operative microphysical mechanisms. We re...

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