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Keywords: porosity
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0036
... time bulk density shear wave transit time neuron correlation coefficient Elkatatny porosity ANN model empirical model 1. INTRODUCTION Integration of Geomechanics is crucial in the development of unconventional resources since the current trend of exploration is moving more towards...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0011
... porosity wormhole region reservoir depletion process vertical normal stress ABSTRACT: Matrix acidizing in carbonate reservoirs can enhance productivity by injecting acid into formation to dissolve carbonate mineral and create long highly conductive channels known as wormholes. Nevertheless, the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0069
... BCBM reservoirs. Imaging results showed that the fracture porosity varies significantly post-bioconversion. Fractures wider than 5 microns, widened post-bioconversion, whereas fractures narrower than 5 microns reduced in width. Reservoirs with wide fractures exhibited significant enhancement of the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0125
... property casing and cementing tensor coefficient flow in porous media Fluid Dynamics porosity fraction homogenization poroelastic parameter hydration Skempton coefficient agofack cement formulation Upstream Oil & Gas zaoui cemconre cement paste Microstructure cement chemistry...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0112
... from the pore structure, reducing moduli and acoustic velocities of the samples that exhibit lower fracture conductivity. Measured porosities suggest greater accessibility of the pores from a direction parallel to bedding. log analysis Upstream Oil & Gas fracture conductivity tap water...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0214
... controlled. We validate the specimen preparation by comparing experimental permeability test results with analytical solutions. Channel networks with different tortuosity, porosity, fracture branch, and structural anisotropy are designed to mimic various microstructure changes in rocks. To fabricate...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0138
... porosity configuration Fontainebleau sandstone propagation Pazdniakou experimental data log analysis Fluid Dynamics dynamic permeability sandstone adler equation wave propagation mirror configuration permeability 1. INTRODUCTION Propagation of waves in porous media is an important topic in...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0334
... ABSTRACT: Acidizing and wormholing in carbonate reservoirs is studied through the analysis of the linear acidizing problem theoretically and experimentally. Experimentally, linear acidizing tests were performed in Mons chalk, a high porosity analogue of North Sea reservoir chalk. In the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0326
... reservoir geomechanics Surface Flaw irreversible strain well logging average value porosity fractured rock specimen different inclination angle Reservoir Characterization Upstream Oil & Gas test specimen experiment maximum cyclic stress level cyclic uniaxial compression log...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0224
... study, a hydro-mechanical model based on porous continuous medium theory has been proposed to assess how internal erosion impacts the safety of earthen structures. An elasto-plastic constitutive model for sand-silt mixtures has been developed to describe the effect of the evolution of both porosity and...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0347
... effectiveness of such operations. However, to account for the complexity of binary particle mixtures, a more generalized model is required to accurately predict the porosity and permeability, and hence fluid flow. flow in porous media shahri hydraulic fracturing composition binary system tortuosity...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0379
... indicate that using isotropic loading compressibility considerably underestimates the expected pore pressure increase. Upstream Oil & Gas reservoir geomechanics subsurface storage pore pressure uniaxial strain pore compressibility mean effective stress porosity co 2 loading uniaxial...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0404
... single continuum model and neglect the multi-continuum nature of shale. Valliappan and Khalili-Naghadeh (1990) have extended the poroelastic theory to dual porosity rock and gave the fluid-sloid coupling equations of the naturally fractured and water saturated rock based on a rigorous mathematical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0415
... geomechanics orientation core scale seismic scale fracture characterization concentration porosity hydraulic fracturing modeling rock-physic model Reservoir Characterization aspect ratio spatial orientation preferential orientation stiffness tensor anisotropy Upstream Oil & Gas...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0409
... breakthrough flow in porous media drainage Artificial Intelligence Upstream Oil & Gas Simulation waste management conformance improvement Fluid Dynamics downstream side pathway reconstruction gas pressure argillite imbibition morpho-mathematical operation gas breakthrough pore porosity...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1911
... and field planning. Laboratory testing is undertaken on outcrop analogues samples to generate the geomechanical data, including porosity, permeability and UCS. Following a practical approach, empirical relations will be determined between the geomechanical properties, specific to the region. In-depth...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1981
... of changing porosity, microstructure and strength of mineral phases determines changes in mechanical behavior, in particular the formation of stronger mineral phases with higher density affect Young's modulus, failure strength and residual strength. Deformation of the cement is more brittle at low...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1976
... experiment. With the increase of reaction time, the number of dissolution pores increased and the pore size enlarged, which caused the enhancement in porosity and permeability (up to one order of magnitude) and the decrement of tensile strength (up to 47%). Compared with slickwater fracturing, supercritical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1983
... 2 exposure: a dissolution zone, a precipitation zone adjacent to the previous zone followed by a non-reacted zone. In each of these zones, phases present different mechanical properties, and their thickness and location vary with chemical composition and porosity. Reservoir Characterization...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2044
... porosity mechanical behaviour uniaxial compression strength cement facies dry sample MPa fabric calcarenite rock material ABSTRACT: Very soft carbonate rocks belonging to the Calcarenite di Gravina Formation (upper Pliocene-lower Pleistocene) crop out extensively in the Apulia region (Southern...

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