# Mathematical modeling of steam-assisted gravity drainage

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-oil production rate conforms well to previously published data covering a wide range of heavy oils and sands for gravity drainage.
SPE Reservoir Evaluation and Engineering

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 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...
 Mathematical modeling of steam assisted gravity drainage Akın, Serhat (2004-06-22) 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...
 Comparative study of yield-power law drilling fluids flowing through annulus Ozbayoglu, M. E.; Omurlu, C. (Informa UK Limited, 2007-01-01) An exact solution for calculating the frictional pressure losses of yield-power law (YPL) fluids flowing through concentric annulus is proposed. A solution methodology is presented for determining the friction factor for laminar and nonlaminar flow regimes. The performance of the proposed model is compared to widely used models as well as the experimental results of 10 different mud samples obtained from the literature. The results showed that the proposed model could estimate the frictional pressure losses...
 The effect of fractures on the steam-assisted gravity drainage process Bağcı, Ali Suat (American Chemical Society (ACS), 2004-11-01) This study presents an experimental investigation of the effect of fractures and well configurations on the steam-assisted gravity drainage (SAGD) process in a three-dimensional model, using 12.4degreesAPI gravity crude oil. A total of eight runs were conducted, using a 30 cm x 30 cm x 10 cm rectangular-shaped box model. Temperature distributions were observed using 25 thermocouples. Three different well configurations were investigated-a horizontal injection and production well pair, a vertical injection-v...
 Integrated deterministic approaches for productivity index of reservoirs depleted by horizontal wells and undergone multiphase flow conditions Al-Rbeawi, Salam (Elsevier BV, 2019-04-01) This paper introduces new integrated approaches for estimating pseudo-steady state productivity index (PI) and shape factor of oil and gas reservoirs drained by horizontal wells and dominated by multiphase flow conditions. These approaches couple PVT data, relative permeability curves, and pressure distribution models during pseudo-steady state flow (PSS). The objective is eliminating the uncertainties of applying single phase flow models and substantially comprising the realistic parameters that govern mul...
Citation Formats
S. Akın, “Mathematical modeling of steam-assisted gravity drainage,” SPE Reservoir Evaluation and Engineering, pp. 372–376, 2005, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/46803.