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Keywords: effective stress
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Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185004-MS
.... As the local pore pressure is elevated by steam injection the effective stress in the reservoir is reduced. This may bring local shear failure and dilation of the reservoir material if the change in effective stress is large enough, particularly where the initial stress environment is anisotropic. In turn...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180694-MS
... in a triaxial cell, under conditions in which the pore pressure and axial and confining (radial) stress were controlled. The triaxial compression tests indicated that the elastic properties and shear strength of the shale samples were sensitive to temperature, for the range of effective stresses used...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180721-MS
... concentration horizontal stress oil sand mechanical property fracture society of petroleum engineers injection fracture propagation tensile strength sand-shale interface conductivity interface permeability alberta effective stress stress contrast Renshaw In-situ thermal recovery methods...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174417-MS
... pressure steam interface effective stress enhanced recovery Upstream Oil & Gas diffusivity Butler steam chamber chamber interface undrained condition Poisson reservoir Modeling & Simulation injection pressure thermal diffusivity boundary thermal expansion undrained zone SAGD...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174453-MS
... strain geomechanical dilation pore pressure injection oil sand reservoir geomechanics Fluid Dynamics initial anisotropic stress state Reservoir Characterization Upstream Oil & Gas pore pressure dilation effective permeability stress path bitumen effective stress water injection...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174470-MS
... effective stress Upstream Oil & Gas elasticity dependency nonlinear elastic hyperbolic model deformation bulk compressibility shallow reservoir Reservoir Characterization injection pressure Alberta Poisson reservoir reservoir geomechanics Simulation stress state formation compressibility...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170136-MS
... their average initial porosities were around 33.9% for the samples cored vertically (vertical cores), 33.7% for samples cored horizontally (horizontal cores), and 34.3% for reconstituted samples. Most of the triaxial experiments were conducted under drained condition at low effective stress ranging between 250...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165544-MS
... heating. In addition, water undergoes a large volume increase as it flashes to steam and the resultant pore pressure causing profound effective stress reduction. Once this condition is established, pore pressure increases can lead to shear failure of the caprock, and to subsequent caprock integrity...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165457-MS
... effective stress coefficient Canadian Petroleum Technology thermal method SAGD pore pressure Alberta chamber interface interface friction angle Chalaturnyk reservoir geomechanics Upstream Oil & Gas oil sand geomechanical effect oil sand formation permeability SAGD process Steam...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165498-MS
... injectors and producers to allow for the production of a sand-water-bitumen slurry up the wellbore (see Figure 2 ). This slurry production would create a dilated region around the producing well that propagates back toward the injector. The evolution of effective stresses on and pressure gradients within...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157869-MS
... Where: σ eff - horizontal effective stress defined by the formula (1). The formula (4) shows that the tangential stress may twofold exceed actual stress in the limit. For horizontal well ( Fig. 2 ) the tangential stress in the vertical plane is defined by the lateral confining pressure...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157912-MS
... effective stress in-situ stress confiningpressure permeability injection scenario reservoir geomechanics strength porosity integrity mem Built a 3D MEM that covers the entire project area using rock petrophysical and mechanical properties computed in Task 1 and 2. Gridding and refinement...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-156962-MS
... pipe sagd morphology effective stress carlson wellbore fracture pressure two-phase water hammer fracture condensate hammer high pressure society of petroleum engineers caprock water hammer caprock failure spe 156962 condensation Remarkably little has been written about...

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