Modelling of in situ combustion for Turkish heavy crude oil fields

Different models were used to determine the possibility of in situ combustion applications for heavy crude oil fields in south-east Turkey. In the first approach a one-dimensional model was developed, in which the frontal advance concept is combined with mass and energy balance equations with certai...

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Bibliographic Details
Published in:Fuel (Guildford) 1995, Vol.74 (7), p.1057-1060
Main Authors: Kök, Mustafa V., Ocalan, Ramazan
Format: Article
Language:English
Subjects:
Applied sciences
Crude oil, natural gas and petroleum products
Crude oil, natural gas, oil shales producing equipements and methods
Energy
Enhanced oil recovery methods
Exact sciences and technology
Fuels
in situ combustion
mathematical modelling
petroleum reservoirs
Prospecting and production of crude oil, natural gas, oil shales and tar sands
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Summary:Different models were used to determine the possibility of in situ combustion applications for heavy crude oil fields in south-east Turkey. In the first approach a one-dimensional model was developed, in which the frontal advance concept is combined with mass and energy balance equations with certain boundary conditions, limitations and assumptions. The recovery histories of three oil fields were determined; the highest recovery was obtained in field 2 with dry combustion and in field 1 with wet combustion, depending on the reservoir characteristics. From the recoveries obtained the profitability of the in situ combustion applications was calculated. In the second approach, a computer program was developed to apply the oil-recovery-volume-burned correlation method to the same oil fields. The results showed that in situ combustion is applicable in these fields if the volume burned is 30% for fields 1 and 3 and 40% in field 2. To assess the feasibility of in situ combustion, the minimum oil content of the reservoir was determined for field 1 by thermal analysis.
ISSN:0016-2361
1873-7153
DOI:10.1016/0016-2361(95)00043-5