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Keywords: Shale Rock
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1120
... on the stability analysis of coal ribs with rock partings. The uniaxial and triaxial compression test data were collected on shale rock (shale, siltstone and mudstone), the common rock partings observed in underground coal mines. Based on the intact uniaxial strength, two groups of rock partings were classified...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1755
... injections. Results showed that thermochemical fluids can reduce the capillary pressure by 60.9%, 65.6%, and 80.8% for sandstone, carbonate, and shale rocks, respectively. NMR measurements showed that multiple fractures were induced in the treated rocks after the treatment. The generated fractures increased...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1706
... the relationship between creep strain and time in the experiment, the creep law of shale rock can be obtained. The strain rate is mainly affected by differential stress and temperature. It can be seen from the results that at 110 °C, the shale creep of Chang-7 reservoir exhibits steady-state creep behavior within...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0136
... ABSTRACT: Shale brittleness is a very important parameter for shale gas exploitation. Due to the complex mineral composition and micro-structure of shale rocks, shale rocks are usually characterized by strong heterogeneity and anisotropy, which makes it strong anisotropic in mechanical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0295
... and gas). When immiscible multiphase flow occurs in shale rock, the capillary force has large effect. Conventional fracturing simulation models for shale gas reservoirs assume that flow field is dominated only by viscous force. This assumption is unreasonable for low permeable rock because seepage effects...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2046
... ABSTRACT: The main objective of this study is the description of both plastic and creep deformation of shale rocks by considering the influence of mineralogical compositions and porosity. To this end, a new micro-mechanics based approach is proposed. The microstructure of a typical shale rock...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0144
... ABSTRACT: Shale rocks were first of interest as a source rock for hydrocarbons, and as Caprocks that provide seals for HC reservoirs. More recently their integrity has been investigated in the containment of injected CO 2 and as unconventional reservoirs for oil & gas. Hydraulic...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1214
... creep test volumetric content Upstream Oil & Gas cumulative differential stress Zoback sample 2 power-law exponent deformation Shale Rock complex reservoir Load Step experiment creep function reservoir rock 1. INTRODUCTION Understanding the mechanical properties of reservoir rocks...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-805
... ABSTRACT: Shale rocks play an essential role in petroleum exploration and production. They can occur either as caprocks for subsurface storage in conventional reservoirs or as unconventional reservoir rocks for hydrocarbon extraction via hydraulic fracturing. The utilization of a shale rock...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0752
... on conductivity of fractures under carbon sequestration conditions. Geochemical analysis were performed on four samples of natural shale rocks, effluent fluids and recovered precipitates both before and after CO2-brine flooding at temperature and pressure conditions similar to that of the subsurface. Bulk rock...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0013
... of the horizontal wells, have been analyzed. hydraulic fracturing Euclidean Distance Artificial Intelligence Upstream Oil & Gas average rate pnp 30 50 machine learning complex reservoir data analytic shale gas New Albany Shale Rock algorithm similarity database data analysis shale play...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0700
... ABSTRACT: Shale cap rocks are nature’s best hydraulic barrier geomaterials. They are effective seals for underground hydrocarbon bearing formations as well as CO 2 storage formations in carbon capture and storage (CCS) projects. The sealing properties of shale rocks are directly related...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0167
... characterization axial strain Shale Rock wireline log Reservoir Characterization Upstream Oil & Gas correlation reservoir temperature coefficient measurement sister sample ARMA 17-167 A rock mechanics laboratory characterization of Vaca Muerta formation Varela, R.A. YPF S.A., Buenos Aires...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0322
... that after one year the creep deformation is around 9% of fracture width and it will enhance proppant embedment and fracture closure during production process. The capacity of fracture flow conductivity can strongly decrease based on the creep deformation of shale rock after a few decades. In conclusion...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-513
... Abstract: Routine measurement of hydraulic diffusivity of ultra-low permeability rocks, such as shale, is a prolonged process. This study explores the effects of sorptive characteristic of porous medium on hydraulic diffusivities of shale rocks. The examined rock types include Mancos Shale...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-431
... with shale matrix is neglected. This study provides a realistic method to incorporate the interaction mechanism into wellbore stability analysis through laboratory experiment and mathematical modeling. The adsorption isotherms of two shale rocks, Catoosa shale and Mancos shale are obtained. The adsorption...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-293
... fluid flow tight gas reservoir upstream oil & gas hydraulic fracturing shale rock finite discrete element approach fracture shale fracked region fracture propagation stimulation assumption final fracture length fluid pressure tight gas complex reservoir fracture surface finite...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-285
...-fracture networks, while pressure and effective-stress evolution initially increase then gradually constrict them. This experimental work applied specific analytical techniques in investigating changes in surface/near-surface properties of crushed shale rocks after exposure (by flooding) to CO 2 -brine...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-303
... ABSTRACT Thermal impact on sedimentary rocks including clay-rich and low-permeability shales is important in many engineering and science disciplines. This paper summarizes our years’ laboratory studies on the deformation and failure behavior of shale rocks during the thermal stimulation...

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