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Keywords: steam chamber
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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
... enhanced recovery upstream oil & gas simulation thermal method steam-assisted gravity drainage low-angle fracture sagd caprock natural fracture complex reservoir displacement steam chamber fracture element stiffness shear stiffness stress change high-angle fracture...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199927-MS
... in porous media fluid dynamics modeling & simulation upstream oil & gas steam chamber relative permeability relative permeability model relative permeability curve stone ii model reservoir water saturation kr og baker enhanced recovery steam-assisted gravity drainage mechanism...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199943-MS
... The model assumes vertical continuity between the producing well and the overburden. As a result, the steam chamber will contact the top of the reservoir immediately. Then, the steam chamber spreads sideways until reaching lateral confinement. Finally, after confinement, the steam front moves...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199954-MS
... Gupta et al. (2010) performed a simulation study to monitor the gas accumulation at the steam chamber edge, steam chamber growth, and the effect of varying solvent concentration in the SAP process. Different injection strategies with the same solvent concentration were evaluated...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199930-MS
... Devon reported NCG co-injection in the Jackfish SAGD project in 2016 ( Devon Canada Corporation, 2017 ). 1 - 4 mole% of NCG was co-injected with steam in some well pairs. NCG was successful in maintaining the steam chamber pressure with reduced steam injection. In 2016, ConocoPhillips started...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199907-MS
... artificial intelligence steam-assisted gravity drainage chamber pressure thermal method sagd cumulative sor grid block steam chamber modeling & simulation upstream oil & gas new pad sor operation allocation steam injection rate injection rate enhanced recovery...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199925-MS
... multiple screening criteria to be considered as an effective, field scalable additive. One of the major criteria is the ability of the additive to travel with steam inside the SAGD steam chamber and to reach the chamber edge where the heated bitumen is mainly flowing. The authors of this work believe...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199922-MS
... in a simulation model to evaluate the effect of the amount of NCG and time of NCG co-injection in SAGD using CMG STARS. In contrast to previous simulation studies, the current simulation results showed that most of the injected gas leaked from the steam chamber and accumulated at the top of the reservoir. Part...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199933-MS
... is injected from the upper well at high pressures, and lower well acts as a production well. The injected steam loses its heat to the cold bitumen at the edge of steam chamber. The viscosity of the bitumen falls several orders of magnitude as its heated and its mobility rises several orders of magnitude...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189735-MS
.... For a typical SAGD configuration, two parallel horizontal wells, which are approximately 5 m apart, are drilled into the bottom of the payzone. Steam is injected in the upper well, and a steam chamber would slowly expand away from the wellbore; bitumencontacted by the steam chamber is heated and its viscosity...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189720-MS
... The 4D seismic anomalies along 11P06 in Figure 3 show that the steam chamber has developed evenly along the wellbore and that a continuous IHS/mud zone along the top of the steam chamber has acted as barrier and stopped the steam chamber’s vertical growth. This observation was further supported...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189715-MS
... and heat loss rate decreases or in a conservative design remains constant. The objectives are to predict; oil production rate, steam injection rate, thermal efficiency, steam chamber velocity, unsteady temperature profile, heat distribution, and Cumulative Steam-Oil Ratio (CSOR). In this approach, heat...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189733-MS
... with the average cell thickness of approximately 1 m. With the growth of the steam chambers to the top of the reservoir, some of the heat in the reservoir is transferred to the caprock, mainly through thermal conduction instead of convection because of the low permeability in the Clearwater shale. The preshear...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189767-MS
... Abstract A solvent process for heavy oil recovery is described in which an infill injection well is used to inject a cold solvent into neighboring steam chambers once they merge. Simulation results are presented summarizing acceleration in oil recovery and the beneficial impact on energy...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185015-MS
... Abstract Steam assisted gravity drainage (SAGD) is recognized as a profitable and stable approach to address the exploitation of heavy oil and oil sand resources. However, the efficiency of SAGD, a close relative of a sufficiently-expanded and uniformly-developed steam chamber, tends...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-184983-MS
... (C 4 -SAGD), in terms of SOR, bitumen production, local displacement efficiency, and solvent recovery. The steam-injection pressure is 35 bars for all cases, and 2 mol% of solvent is coinjected in solvent-SAGD simulations until the steam chamber reaches the side boundary of a 2-D homogeneous...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-184980-MS
... the impact of near wellbore heterogeneity a novel parameter which accounts for the degree of near-well reservoir connectivity was developed. This parameter is calculated based on properties such as permeability, porosity and oil saturation inside an assumed 90-degree steam chamber above the producer...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-184963-MS
... within the steam chamber during ES-SAGD process. The objectives of this paper are to study temperature distribution within the steam chamber and to evaluate the overall heat loss rate of ES-SAGD by using a semi-analytical model. In the mathematical model, temperature and mass profiles within the chamber...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185001-MS
... presents a mechanistic analysis of ES-SAGD in heterogeneous reservoirs in terms of cumulative steam-oil ratio (SOR) as a function of steam-chamber size. Simulation case studies for SAGD and ES-SAGD with normal hexane are conducted for geostatistical realizations of two types of heterogeneous Athabasca...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180716-MS
... Abstract SAGD recovery is strongly impacted by distributions of heterogeneous shale barriers, which impede the vertical growth and lateral spread of a steam chamber and potentially reduce oil production. Conventional reservoir heterogeneities characterization workflows that entail updating...

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