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Keywords: stress condition
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1318
... deformation deformation tortuous micro-fracture lu stress condition fracture ARMA 21 1318 Study on the Propped Mechanism of Proppant in Tortuous Micro-fractures Lu, C Zeng, Q. J., Wang, J., Meng, Q.Y., Wang, J.B. State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1703
... permeability stress-sensitivity permeability variation numerical simulation evaluation method stress condition configuration indicator permeability ARMA 1703 Impact of complicated pore shape on permeability stress-sensitivity analyzed by machine learning method Yan Peng*, Jiaxi Huang School...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1577
... blasting fracture stress condition magnitude access tunnel stress field tunnel metals & mining personal access tunnel application rock mass rockburst seismic energy ARMA 21 1577 Application of Destress Blasting in the Access Tunnel of the Andes Norte New Mine Level Project. El Teniente...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2042
... experiment log analysis carbonate reservoir sensitivity reservoir characterization complex reservoir pre-test porosity porosity plug microporous sample cycling macroporous sample mpa carbonate rock acoustic property stress condition pore type meso-and macroporous sample isotropic loading...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2165
... wellbore integrity pore pressure structural geology strength geomechanics assessment complex reservoir upstream oil & gas depletion drilling campaign elastic property population reservoir zone north madura field mud weight window stress condition geomechanics model madura field north...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0021
... ABSTRACT: A laboratory hydraulic fracture experiment was conducted on a Montney shale specimen under the conventional triaxial compressional stress condition. Acoustic emissions (AEs) were recorded using 7 piezoelectric transducers throughout the duration of the test to investigate...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0238
... significant advances through the years. However, sand production onset and rate models have not been proven under fully anisotropic stress conditions which are most commonly encountered in the field. Tests on Castlegate sandstone were performed on irreducible water saturated specimens with oil flow under...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0098
.... By using an exponential equation containing different mean cleat compressibility and stress terms, the anisotropic coal permeability data obtained under true-triaxial stress conditions can be accurately predicted. The experimental and theoretical results of this study can help better understanding gas...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0454
... sensitivity Reservoir Characterization tight gas unconventional tight gas sand reservoir sonic velocity log analysis structural geology plug sample core measurement wireline log continuous profile p-wave velocity wireline sonic tool geomechanical property stress condition sonic tool elastic...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0450
... specimen showed plasticization under a higher confining stress condition; anthracite coal has a strong adsorption effect on CO 2 and the free gas phase CO 2 adsorption can cause a dramatic peak strength deterioration; coal strength deterioration was exacerbated with respect to gas pressure. However...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0504
... ABSTRACT: Proper understanding of the in-situ stress conditions is essential to safe, efficient, and productive development of many unconventional resources, including shale gas and oil and coal seam gas, as well as tight sandstones and carbonates. Hydraulic fracture propagation geometry...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2059
... ABSTRACT: In this paper we have studied the effects on fracture initiation and propagation by precooling the borehole region, using our recently developed novel true triaxial apparatus, giving us the capability of recreating fully anisotropic stress conditions with a semi-circular sample...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1769
... the importance of considering the initial state of stress. We also present a work flow in Abaqus that allows for modelling the expected initial stress condition in a cemented wellbore. cement property casing and cementing casing-cement-rock system coefficient reservoir geomechanics Upstream Oil...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-642
... ABSTRACT: Unconsolidated sand was packed on a slotted-liner coupon in large-scale sand retention tests (SRT) and was subjected to several stress conditions, corresponding to the evolving stress conditions during the life cycle of a SAGD producer. Cumulative produced sand at the end of testing...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-889
... effective stress injection zone Hosseini fracture Cranfield Upstream Oil & Gas co 2 horizontal stress injection permeability Greenhouse gas Control espinoza stress condition 1. INTRODUCTION Geological sequestration of carbon dioxide (CO2) can alleviate carbon emissions to the atmosphere...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1331
... Characterization displacement sh model creep constitutive model stress condition power law creep rate underground excavation mechanics strain rate inelastic strain rate 1. INTRODUCTION Polycrystalline halite, the mineral of rock salt, presents unique mechanical features from the response to natural...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1066
... in the processes of CBM production. Considering the fracture aperture, roughness and density, coal fracture networks are reconstructed on the basis of the Voronoi tessellations. Based on the rock elastic theory, the stress-strain model of reconstructed coal fracture networks under stress condition is established...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-288
... Upstream Oil & Gas depletion constant triaxial effective stress boundary condition stress path variation experiment effective stress stress condition harpalani coefficient uniaxial strain condition helium horizontal direction strain condition 1. INTRODUCTION AND BACKGROUND Predicting...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-864
... and rock mass failure criteria which can be fed back into the static stress model to improve it. In this paper we apply these techniques at Barrick Williams Mine in Canada to an area of the mine where the assumed in situ stress conditions did not match underground observations (damage of boreholes...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0717
...-shear Rock mechanics Marcellus Shale specimen Upstream Oil & Gas displacement experiment triaxial direct shear stress condition fracture rock fracture direct-shear stress permeability shear displacement fracture permeability 1. INTRODUCTION Permeability of existing and/or potential...

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