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Keywords: modeling
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Proceedings Papers

Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-479
... ABSTRACT: This paper presents a three-dimensional, geometric-mechanical, hierarchical, stochastic model of natural rock fracture systems. In the model, fracture systems are generated through superposition of hierarchically related sets, created via stochastic methods that reflect inherent...
Proceedings Papers

Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-563
... complex reservoir aperture hydraulic fracturing fracture pattern cementation porosity Simulation fracture network fracture characterization modeling Laubach permeability lander Olson quartz cementation Reservoir Characterization sandstone fracture Upstream Oil & Gas...
Proceedings Papers

Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-648
... permeability changes in the vicinity of the fracture associated with these processes. The rock behavior is modeled using a variation of the Cam-Clay model. The model is an inelastic work hardening model that, depending on the loading path, could be used to predict both compaction and dilatancy, in a given...
Proceedings Papers

Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-612
... breakdown propellant fracture propagation stress intensity factor hydraulic fracturing propellant burning modeling wellbore breakdown fracture initiation pressure buildup wellbore Upstream Oil & Gas stimulation bubble expansion propellant gas fracture pressurisation rate...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0091
... ABSTRACT ABSTRACT: The modeling of swelling behavior is a necessary step to evaluate swelling minerals as sealing materials and to design an underground waste repository. The purpose of this study is to construct a mathematical model to describe the swelling behaviors of clay minerals and to...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0491
... ABSTRACT ABSTRACT: Techniques are presented to quantify the rock strength of a volcano edifice (summit), enabling some understanding of failure processes to be obtained from modeling studies. Rock strength and structural information has been obtained from field studies on volcano edifices in...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0213
... ABSTRACT ABSTRACT: We present meso-scale modeling of impact recovery experiments on sandstone using a hybrid Smooth Particle Hydrodynamic (SPH) and Discrete Element Method (DEM) approach. Each grain is represented with clusters of particles providing explicit representation of the grain/pore...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0605
... strain gage installation Load analysis rock mass tunnel modeling steel strain gage las vegas strain gage data instrumented steel gage united states government model 3 procedure Magnitude design tolerance installation numerical modeling ABSTRACT ABSTRACT: During the...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0571
... Upstream Oil & Gas formula charge chamber reservoir geomechanics field explosion test computational model Reservoir Characterization modeling deformation modulus situ stress perpendicular explosion load small-scale field explosion test jointed rock mass dynamic response...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0793
... ABSTRACT This paper deals with developing a rational framework for quantifying and controlling the uncertainty in predictions associated with poro-elastic models of formations used in reservoir simulators for oil recovery. It aims at integrating data collection with model-based reservoir...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0189
... ABSTRACT ABSTRACT: A finite element model has been developed to simulate two-phase (i.e., oil and gas) flow and solid deformation in naturally fractured porous media. The numerical model is based on the dual-porosity concept and involves rigorous conservations of momentum and mass in both...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-1257
... ABSTRACT ABSTRACT: This paper describes the geomechanical development plan established to provide data for safety assessment and conceptual models of an argillite formation studied by ANDRA in the framework of feasibility study of underground waste disposal in France. Geomechanical conceptual...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-1059
.../reinforcement process and with dynamic effects of drill-and-blast operations. Observations in-situ provide an integrated information and it is usually difficult to obtain a differential understanding of the influence of static and dynamic factors. On the contrary, numerical modeling provides the possibility to...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1893
... US government coal bed methane Reservoir Characterization complex reservoir modeling Upstream Oil & Gas face position material property sandstone layer coal seam gas progressive gob formation vertical extent climate change coalbed methane air emission finite element modeling...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1151
...-fracture type of failure. Two dimensional modeling of crack growth from a single inclined flaw closely matches experimental results, but cannot capture the true nature of three dimensional cracking. A three dimensional analytical model of a single inclined crack under compression predicts crack growth...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1237
... Reservoir Characterization joint data joint plane block size distribution engineering analysis size distribution statistics civil rights & constitutional law modeling joint size distribution rock mass sensitivity test characteristic parameter Upstream Oil & Gas joint system...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1089
... Fluid Dynamics flow in porous media complex reservoir Upstream Oil & Gas modeling resaturation cavitation cycle criterion Openhole Cavity Completion cavitation khodaverdian numerical modeling coal fairway cavity wellbore permeability injection cavity completion completion...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1455
... ABSTRACT: The application of rock mechanics at nuclear waste repositories is a true multidisciplinary effort. A description and historical summary of the Waste Isolation Pilot Plant (WIPP) is presented. Rock mechanics programs at the WIPP are outlined, and the current rock mechanics modeling...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1815
... equals to the integration domain in a numerical analysis. The physical mesh is given and cannot be changed arbitrarily. Additionally with the "finite cover" concept, the manifold method can model a wide variety of continuous or discontinuous materials. The early applications of the manifold method (Shi...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1937
... Upstream Oil & Gas particle compression test isotropic stress Reservoir Characterization strength Potyondy element method circular particle assembly granite stiffness reservoir geomechanics modeling peak strength Cundall fracture Itasca Consulting Group application...

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