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Keywords: laboratory experiment
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1772
... conducted bench-scale laboratory experiments, creating a radial temperature distribution with temperatures up to 200 °C in a bentonite column to obtain a comprehensive set of characterization data and monitoring measurements. Two test columns were used, a control column undergoing only hydration...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1635
... by enriching degrees of freedom with special displacement functions. multistage fracturing laboratory tests simulation experiment stress shadow effect hydraulic fracturing model sequential hydraulic fracturing block 6 laboratory experiment hydraulic fracturing hydraulic fracture propagation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1677
... of laboratory experiments are carefully designed to benchmark the potential of utilizing small-diameter Radial Jet Drilled (RJD) laterals in directing hydraulic fractures. Numerical simulation of the experiments is performed to predict the geometry of the induced fracture as well as examining the experiment...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0268
..., it is necessary to determine the formation mechanical properties through laboratory experiments and use them as basic parameters for calculation. However, limited core experiments are difficult to fully reflect the formation characteristics, and affect the accuracy of the results. Therefore, based on experimental...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1699
... laboratory experiments. They showed well comparable results for two comparative cases of stable and unstable conditions. We then performed a parameter sensitivity analysis to identify the influential parameters on internal stability against a washout behavior and showed it is the effect of particle size...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1734
... ABSTRACT: Hydraulic fracturing is commonly used to enhance the production of hydrocarbon reservoirs, particularly that of unconventional reservoirs. Field data from hydraulic fracturing treatments is scarce and often difficult to interpret. Thus, laboratory experiments and numerical...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-672
... can determine absolute magnitude of 3D in-situ stress. The theoretical relationship between the core expansion and rock stress has been verified through the examination of core samples prepared in laboratory experiments and retrieved field cores. reservoir geomechanics absolute magnitude...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-927
... the feasibility of this technique quantitively. We conduct laboratory experiments to test the breakdown pressure of water-saturated coal rock samples treated with LN. The results indicate that the breakdown pressure for a LN ice-temporary-blocked coal specimen increases significantly compared with an untreated...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1099
... heating, sand grains and bitumen mixing, and core packing under the axial compression. Some laboratory experiments such as tests of porosity, uniaxial compression, and SEM were conducted to compare the difference petrophysical properties between synthetic oil sand cores and natural oil sand samples...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0698
... the relevant inter- and intragranular contact mechanics. In this paper, challenges in building models, calibrating the required model parameters, and analyzing the results of simulations, are described. The numerical results are compared with controlled laboratory experiments on three different sandstones...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-511
... these reasons, the thermo-mechanical response of rocks has been investigated in numerous in situ and laboratory experiments. Various in-situ heater tests were published from the KAERI Underground Research Tunnel (e.g. Kwon et al., 2013), the Stripa mine and Äspö in Sweden (e.g. Chan et al., 1981; Andersson...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-524
... triaxial stress states where the fracture was initiated from an isolated section of the borehole. The second goal was to accurately model the laboratory experiments using distinct element code. reservoir geomechanics borehole MPa Injection Rate Upstream Oil & Gas stress state sensor main...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-683
... stress loading on the block and studied how the stress conditions cause the hole failure. The modelling results show good agreements with laboratory experiments, both qualitatively by showing the anisotropic stress conditions inducing more breakout-like failure pattern, and quantitatively in the failure...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-370
... for this ‘upscaling factor’, an analysis is presented of different laboratory experiments conducted by NAM on samples of the Groningen field. In the mentioned studies, the result of the 1 st loading cycle is generally used for the compaction calculations, while in the 2 nd and subsequent loading cycles a lower...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-268
... determination method is laborious and fruitless, as specific assessment methods are required to serve in sorts of practice. sand sample intrinsic brittleness shale gas laboratory experiment consideration strength release rate brittle behavior rock brittleness limestone complex reservoir...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-436
... Abstract Laboratory experiments on samples from a consolidated sandstone reservoir are presented that demonstrate rate type compaction behaviour similar to that observed on unconsolidated sands and soils. Such rate type behaviour can have large consequences for reservoir compaction, surface...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-601
..., is proposed. The required material and model parameters are identified using an optimization procedure, based on experimental data. The proposed model for intact rock is validated for different types of intact rock by numerical simulation of laboratory experiments, i.e. triaxial compression tests at various...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-554
... volumetric strain reservoir pressure laboratory experiment mean effective stress interpretation 1. INTRODUCTION The objective of this article is to outline the best possible way to determine the pore-volume compressibility from laboratory experimental testing on core plugs. This input can be very...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-660
... Fluid Dynamics slit MPa CT image test vessel compression unconsolidated sand experimental study transverse multi-slice fracture experiment pipe CT scanner reconstruction permeability structural geology injection pressure specimen white region excavation laboratory experiment...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-373
... ABSTRACT: Laboratory experiments of sand production conducted under true-triaxial stress conditions were simulated numerically using ABAQUS program. The experiments were performed in a true-triaxial stress cell on 100×100×100 mm3 cubes of synthetic sandstones. Two and three dimensional...

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