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Mathematical modeling of steam assisted gravity drainage
Date
2004-06-22
Author
Akın, Serhat
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A mathematical model for gravity drainage in heavy-oil reservoirs and tar sands during steam injection in linear geometry is proposed. The mathematical model is based on the experimental observations that the steam zone shape is an inverted triangle with the vertex fixed at the bottom production well. Both temperature and asphaltene content dependence of viscosity of the drained heavy oil is considered. The developed model has been validated using experimental data presented in the literature. The heavy oil production rate conforms well to previously published data covering a wide range of heavy oils and sands for gravity drainage.
Subject Keywords
Steam Injection
,
Tar Sands
,
Oil Recovery
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=2942511490&origin=inward
https://hdl.handle.net/11511/71116
DOI
https://doi.org/10.2523/86963-ms
Conference Name
SPE International Thermal Operations and Heavy Oil Symposium and Western Regional Meeting ""The Power of Technology""- Proceedings
Collections
Petroleum Research Center (PAL), Conference / Seminar
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Mathematical modeling of steam-assisted gravity drainage
Akın, Serhat (Society of Petroleum Engineers (SPE), 2005-01-01)
A mathematical model for gravity drainage in heavy-oil reservoirs and tar sands during steam injection in linear geometry is proposed. The mathematical model is based on the experimental observations that the steam-zone shape is an inverted triangle with the vertex fixed at the bottom production well. Both temperature and asphaltene content dependence on the viscosity of the drained heavy oil are considered. The developed model has been validated with experimental data presented in the literature. The heavy...
Mathematical modeling of steam-assisted gravity drainage
Akın, Serhat (Elsevier BV, 2006-03-01)
A mathematical model for gravity drainage in heavy-oil reservoirs and tar sands during steam injection in linear geometry is proposed. The mathematical model is based on experimental observations that the steam zone shape is an inverted triangle with the vertex fixed at the bottom production well. Both temperature and asphaltene content dependence of viscosity of the drained heavy oil and their impact on heavy oil production are considered. The developed model has been validated using experimental data pres...
Investigation of steam and gas push mechanism in carbonate medium
Canbolat, S.; Akın, Serhat; Polikar, M. (2004-01-01)
The addition of certain amounts of non-condensable gas to the steam assisted gravity drainage (SAGD) process has been known to reduce the steam consumption. The addition of small amounts of such gases (i.e. carbon dioxide) may improve oil recovery as the gas accumulates at the upper surface of the reservoir as a thin insulating layer, limiting the rate of front spreading at the corners of the steam chamber. Since the gas raises the pressure of the oil in the reservoir, it may be looked upon as pushing the o...
Numerical simulation of scour at the rear side of a coastal revetment
Şentürk, Barış Ufuk; Guler, Hasan Gokhan; Baykal, Cüneyt (2023-05-01)
This paper presents the results of a numerical modeling study on the scouring of unprotected rear side material of a rubble mound coastal revetment due to the overtopping of solitary-like waves utilizing a coupled hydro-morphodynamic computational fluid dynamics (CFD) model. Three cases having various wave heights are tested with six different turbulence models together with different wall functions. The hydrodynamic results (free-surface elevations, overtopping volumes, and jet thicknesses) and morphologic...
An experimental study on single well steam assisted gravity drainage
Akın, Serhat (2000-01-01)
Steam assisted gravity drainage (SAGD) is one of the more popular enhanced oil recovery method of producing heavy oil and bitumen. In conventional SAGD approach, steam is injected into a horizontal well located above a horizontal producer. A steam chamber grows around the injection well and displaces heated oil toward the production well. There are several variations of this process: vertical injector-horizontal producer and singlewell (SW) SAGD where only one horizontal well is used by injecting steam from...
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S. Akın, “Mathematical modeling of steam assisted gravity drainage,” Bakersfield, United States, 2004, p. 415, Accessed: 00, 2021. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=2942511490&origin=inward.