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Keywords: equation
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Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78167-MS
... on a synhetic, though realistic, set of data and, despite the simplfying assumptions (single phase flow, constant fluid viscosity) could qualitatively reproduce the salient features of the behaviour of typical heavy oil wells. porosity equation bitumen sand production damage mechanics wormhole heavy...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78156-MS
... curvature retrieval bubble point pressure core retrieval drilling operation diameter equation coring-induced damage permeability wellbore core damage spe isrm 78156 free space inner tube compressibility upstream oil & gas reservoir characterization well planning drilling fluids...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78162-MS
... equations of the model are derived within the framework of a continuum chemoporoelastic theory that linearly relates total stresses and variation of fluid content to the strains, pore pressure, and solute mass fraction through anisotropic material coefficients. The field equations are solved analytically...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78169-MS
... viscosity, and producing time. The simulation results relating cumulative sand production and sand production rate to these important variables are presented. Descriptions of the volumetric sand production model (formulations, constitutive equations, solutions procedures) are also presented. The study...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78242-MS
... needed in rock cutting and drilling. estimation rectangular cutter cutter equation cutter holder bit selection geometry spe isrm 78242 wear flat length dagrain faculté polytechnique wellbore design reservoir characterization specific energy reservoir geomechanics application rock...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78198-MS
...-section with normal n within a representative material volume element. The thermodynamic basis, free energy function, damage evolution equation, and damage-induced inelastic compliance are derived. It is shown that damage causes strain-softening and positive dilatancy, as well as decrease...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78240-MS
... are parametrically studied allowing for a better understanding of the physical characteristics governing borehole problems. mpa stress direction matrix lt 2 equation dual-porosity approach fractured reservoir pressure distribution spe isrm 78240 radial stress fracture pore pressure wellbore...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78179-MS
... spe isrm 78179 model output probability probabilistic analysis equation wellbore design failure probability variation monte carlo method safety factor sensitivity analysis mean value wellbore stability hydraulic fracturing vertical borehole deviation analysis algorithm criterion...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78192-MS
... porosity and true porosity can be established from equation (1) and (2) as: (3) ϕ * = ϕ ( 1 − ε v ) where ε v is the volumetric strain. The sign convention adopted in this paper is positive for compressive stress and compressive strain. This method, first proposed in Ref...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78234-MS
... previously developed. equation cavity sand production prediction critical drawdown pressure reservoir geomechanics strength drawdown pressure strength criterion spe isrm 78234 plastic strain upstream oil & gas reservoir characterization sandstone boundary in-situ stress plastic zone...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics Conference, October 20–23, 2002
Paper Number: SPE-78227-MS
... Abstract This paper presents a forward model for subsidence prediction and an inversion model to calculate the reservoir behaviour from subsidence data. The forward model employs combinations of analytic solutions to the elasticity equations, which approximate the boundary conditions...

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