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Keywords: SAGD
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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
... gravity drainage (SAGD) has been evaluated by various researchers. However, most of these caprock integrity studies assume that the caprock is not fractured, which is not a valid assumption in most cases. This paper provides a comprehensive analysis of caprock integrity in the Athabasca oil sands...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199956-MS
.... Horizontal wells have proven to offer advantages for enhanced oil recovery (EOR), being used from the early stages of field development ( Jaime et al., 2010 ). These types of geometry have been used for the development of cyclic steam injections (CSS) and SAGD, which in many cases are assisted with the use...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199925-MS
... Chemical additives for co-injection with steam at low dosages were evaluated for enhancement of SAGD operations. The additives were selected based on their commercial scalability, water solubility and transportability inside the SAGD chamber (volatility). A custom-designed oil-recovery experiment...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199933-MS
.... Figure 7 Illustration of TANDRAIN model and hydraulic pressure effect. Figure 1 Cross section of SAGD process: circulation phase (a), early phase (b), and steam-injection phase (c) (modified from Irani and Ghannadi 2013 ). Figure 10 Illustration of coalescence effect on oil rate...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199914-MS
... acknowledgment of SPE copyright. thermal method hydraulic jet pump artificial lift system jet pump multiphase pump steam-assisted gravity drainage jet pump system vent valve offshore oilfield downhole safety valve oilfield steam injection esp system enhanced recovery sagd artificial lift...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199927-MS
... Table 2 Extended Table 3 Column Simulation Details Table 1 Conventional Relative Permeability Curves Used in SAGD Simulations ( Edmunds, N.R., 1998 ) Table 4 Modified Relative Permeability Curves . Table 6...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199952-MS
.... However, in-situ recovery method is known for recovering some of this oil, provided that the reservoir conditions are favorable. Two of the successful in-situ processes to recover oil sands are steam assisted gravity drainage (SAGD) and cyclic steam stimulation (CSS). Both recovery methods require steam...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199917-MS
... widely proposed. Thermal-based techniques generally entail the injection of thermal energy to reduce the oil viscosity. Steam-assisted gravity drainage (SAGD), as proposed in Butler et al. (1981) , is a proven thermal-based recovery process: a horizontal well pair is drilled in parallel along...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199934-MS
... gravity drainage (SAGD) and have been employed for many years in extracting heavy oil [ 1 ]. The derivative technologies such as thermal-solvent, thermal-chemical, etc., have achieved successfully application in worldwide [ 2 - 4 ]. Non-condensable gas assisted steam method combines the advantages...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199906-MS
... particle transitions from the injector cell, i , to the neighboring cell(s), j . Figure 1 An example of the 3D heterogeneous SAGD model. Abstract Steam-assisted gravity drainage (SAGD) recovery process is strongly impacted by the spatial distributions of heterogeneous shale barriers...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199916-MS
... irreducible water saturation in 2D porous medium (red: oil; blue: water) Figure 5 Temperature distribution across the model (left) and steam condensation at the edge of the steam chamber (right) in the pore-scale SAGD simulation Figure 2 Phase (2a) and solvent concentration (2b...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199959-MS
...; illustrations may not be copied. The abstract must contain conspicuous acknowledgment of SPE copyright. bitumen upstream oil & gas thermal method sagd carbonate reservoir oil sand complex reservoir activation energy bitumen sample low temperature oxidation pseudo blend temperature oxidation...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199960-MS
... selection sagd cold heavy oil production steam-assisted gravity drainage sand production sand/solids control complex reservoir upstream oil & gas viscosity constant pressure drop pressure drop experiment operation aperture size alberta threshold sand control performance wire-wrapped...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199943-MS
... an important role in the economy of Canada due to their significant recoverable reserves. Due to the high viscosity of the oil in these reservoirs, conventional methods cannot be used for production. The steam-assisted gravity drainage (SAGD) method is an efficient way of producing oil from these reservoirs...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199961-MS
... (CSS) and Steam Assisted Gravity Drainage (SAGD) ( Alberta Gov., 2017 ) for relatively deep formation at which steam properties can be utilized. The energy intensity and limitations of the steam-based recovery processes, along with their demand for water treatment facilities, have driven the producers...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199954-MS
... understanding of the process and associated challenges numerically and analytically. In modeling the SAGD process, optimal operating conditions rely on a relatively constant temperature profile across the major portion of a steam chamber that leads to an excessive energy input requirement. However, ISR optimal...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199930-MS
... and distribution of NCG in steam chamber ( Canas and Kantzas, 2012 ) Oil Production rates are decreased. SOR is reduced. Solubility was considered and important mechanism of gas removal from steam chamber. ( Sharma et al., 2012 ) NCG co-injection was unfavorable for SAGD. The injected gas accumulated...

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