1-20 of 792
Keywords: permeability
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0123
... of the fracture aperture and permeability, mechanical models usually either neglect or oversimplify its influence on the bulk volumetric response of the coal and consequently the displacement of the ground surface. In order to address this issue, a finite element model has been constructed, in which...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0113
... dynamic change and pore pressure vary, and a numerical solution for the distribution of continuum damage variables is obtained by using the finite element method, and permeability of fractures was mathematically expressed with the damage variables. A model involving water-oil flow and fracture deformation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0085
... compressibility and stress sensitive, bedding-parallel permeability exponents in Mancos shale samples indicate an approximately 50% reduction in both storage and transport multiplier magnitudes when measured under uniaxial strain boundary conditions, as opposed to the more routinely applied hydrostatic “net...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0067
... ABSTRACT: A persistent increase in the permeability of a rock mass caused by transient stress disturbances, when they exist, can explain the change in groundwater level as well as the petroleum production by seismic waves in the far-field. However, it has yet to be clarified whether the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0105
... Distinct Element model to assess strata fracturing during longwall extractions. metals & mining Artificial Intelligence hydraulic fracturing Modeling & Simulation Fluid Dynamics flow in porous media fracture intensity abutment particle Queensland permeability enhancement aquifer...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0069
... resolution microscopy, aimed at capturing the changes in pore structure as a result of bioconversion. The images were processed to measure pore-strains due to bioconversion, which was used as an input parameter for a new poro-mechanical model, developed to describe the stress and permeability behavior of...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0098
... ABSTRACT: Prediction of coal permeability is very important as it is directly related with coal bed methane (CBM) production, underground coal mining, and CO 2 sequestration in deep coal seams. However, the anisotropy of both internal fractures of coal and outer stress environment brings...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0013
... ABSTRACT: This paper presents the results of a 2018 NIOSH (National Institute for Occupational Safety and Health) study to evaluate longwall-induced subsurface deformations and permeability changes and their effects on shale gas well integrity and safety under shallow cover. A study site was...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0064
... Artificial Intelligence heat extraction rate Wang Upstream Oil & Gas fluid temperature geothermal reservoir co 2 MPa evolution wellbore geothermal development Chen gravity effect hydraulic fracturing Simulation fracture network storage fracture permeability saturation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0112
... and quartz. Scanning electron microscopy shows morphology of the minerals and pore network of the shale. Horizontal and vertical helium permeability measurements are conducted to analyze permeability evolution under different stress conditions. The samples record very low permeabilities at recreated...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0214
... ABSTRACT: Characterization of rock permeability change during the fracture network evolution is critical to the design and assessment of geological storage facilities. Under geo-storage conditions, rock fractures propagate during damage processes and re-bond during healing. However, natural...
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-2019-0227
... compaction Upstream Oil & Gas depletion harpalani coalbed methane compressibility pore pressure international journal coal sample reservoir geomechanics complex reservoir methane pore pressure depletion experiment desorption effect MPa deformation permeability hold period 1...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0334
... complex reservoir Fluid Dynamics stability analysis experiment specimen disturbance chalk acidizing wavelength acid injection rate porosity Injection Rate permeability linear stability analysis dissolution wormhole equation 1. INTRODUCTION Matrix acidizing is a common reservoir...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0352
... ABSTRACT: Darcy's law does not always govern flow in shale matrices. Rather, a considerable portion of the flow is dominated by non-Darcy flow regimes. Therefore, modeling permeability of shale matrices is a challenge because at each pressure different proportion of the rock are experiencing...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0248
... stationary block permeability direct fluid injection shear stress displacement sensor simulated fault injection ABSTRACT: We conducted laboratory experiments that demonstrate how an increase in fluid pressure can induce “stick-slip” events along a preexisting fault. Our sample is a 760 x 356 x...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0145
... rates. To date, bioconversion of intact coal cores has not been reported. This paper presents a two-pronged study, investigating bioconversion potential of intact cores held under ideal replicated in situ conditions, and reports the variation in permeability of the coal-core, pre- and post-bioconversion...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0293
... ABSTRACT: Various fracturing fluids have been used for coalbed methane (CBM) stimulations. The fracturing fluid can potentially cause permeability damage with an adverse impact on CBM production. In this study, we investigate the permeability damage behavior resulted from commonly used guar...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0347
... ABSTRACT: Solid particles have been widely used in the petroleum industry for applications including fluid diversion, wellbore strengthening and hydraulic fracturing. The corresponding permeability and fluid flow through packed particles (diverting agents or proppant sands) dictate the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0344
... samples of concrete, tight sandstone, and Niobrara shale. The results revealed not only that cold fracturing improved rock permeability, especially the permeability of the shale samples, but also that it had almost no potential to damage the formation. (Zhao, et al., 2016) subjected rock samples to liquid...

Product(s) added to cart

Close Modal