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Keywords: Caprock Integrity
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Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199957-MS
... compliance fracture normal stiffness fracture deformation caprock integrity base case fracture compliance The setup of the second simulation case is the same as the base case except that the caprock is simulated as undrained. Li and Rivero (2018) reported higher pore pressures were generated...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189733-MS
... of parameters, or some analytical equations can fully define the risk of caprock integrity. A geomechanical numerical simulation coupled with fluid flow simulation simulates the physical processes of thermal operations and will therefore more accurately predict the risk of caprock integrity breach...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180704-MS
... presents a probabilistic analysis on caprock integrity using a randomized finite element simulation approach. Volume of shale (VSH) logs and X-ray Diffraction (XRD) analysis data are used to generate stochastic distribution of 3 major litho-facies: sands, shale with low illite/smectite (I/S) contents...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174509-MS
... works on this subject. In this research project, a coupled hydro-thermo-mechanical model was developed for the assessment of caprock integrity in thermal operations. A transversely isotropic constitutive model in the elastic range was combined with an anisotropic failure criterion to capture...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170130-MS
...-recompaction model ( Beattie et. al, 1991 ). However, this will be beneficial only if the caprock is able to endure the shear stresses developed just below it inside the reservoir ( Uwiera-Gartner et al., 2011 ). There have been a number of examples of various SAGD operations where caprock integrity has been...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170073-MS
..., which requires a good cement and cement bonding to both casing and formation. (3) Δ σ T = E 1 - v α T Δ T As discussed, in unconsolidated oil sand formations, caprock integrity is important. Keeping the steam injection pressure (and any other operating...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170152-MS
... & disposal real time system SAGD steam-assisted gravity drainage Upstream Oil & Gas thermal method drilling fluids and materials managed pressure drilling drilling operation BHP steam influx horizontal section integrity friction pressure choke caprock integrity Pump Rate Drilling...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170114-MS
... Numerous researchers have studied caprock integrity in SAGD projects (e.g., Smith, 1997 ; McLellan and Gillen, 2000 ; Collins, 2007 ; Chalaturnyk, 2011 ; Khan et al., 2011 ; Rahmati et al., 2013 ). The main focus of these studies has been the caprock integrity evaluation and the assessment...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165448-MS
.... The thermal energy inevitably heats the caprock shales and thermal pore pressure is likely generated. In general, pore pressure increase does not benefit mechanical integrity. Therefore, the impact of thermal pore pressure on the caprock integrity should be an important subject. Unfortunately, to authors...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165393-MS
... and caprock integrity. In this research, thermally induced deformation in argillaceous shale was studied by applying an anisotropic thermal-strain model. Shale's intrinsic fabric anisotropy is considered in this new model. Thermally induced strain in shale is contributed by the strain of the solid particle...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165422-MS
.... The geomechanical model was used along with the Mohr-Coulomb failure criterion to assess the stresses and failure potential of the overburden strata. The model was applied to a SAGD reservoir for which surface heave data were available. The outcome indicates the potential for caprock integrity problems due...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157855-MS
... and caprock) have been characterized by an EP constitutive model. These two material descriptions were used in the following calculations of stress changes and caprock integrity. In the Western Canadian sedimentary basin, the regional stress state is dominated tectonically by movement of the North...

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