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Physically Oriented SAGD Profitability Model for High-Viscosity Oil Fields.

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Title: Physically Oriented SAGD Profitability Model for High-Viscosity Oil Fields.
Authors: Zaurbekov, Kadyrzhan1 (AUTHOR) k.zaurbekov@satbayev.university, Zaurbekov, Seitzhan1,2 (AUTHOR), Malozyomov, Boris V.2,3 (AUTHOR), Martyushev, Nikita V.1,3 (AUTHOR)
Source: Energies (19961073). May2026, Vol. 19 Issue 9, p2021. 28p.
Subject Terms: *Profitability, *Thermal oil recovery, *Energy economics, *Cost benefit analysis, *Petroleum production, *Heat transfer, *Enhanced oil recovery, *Heavy oil
Abstract: The development of high-viscosity oil fields requires technologies that provide not only the thermal mobilization of oil, but also an economically justified level of production with a high energy intensity of the process. One of the most effective technologies of this type is steam-assisted gravity oil drainage (SAGD), but its practical effectiveness is determined by the combined influence of reservoir geology, heat-transfer parameters, and market conditions. The paper proposes a reduced physics-guided model for the rapid technical and economic screening of SAGD in high-viscosity oil fields. The methodological contribution lies in linking geological screening, steam energy input, useful heat delivered to the reservoir, production response, and operating profit within one interpretable analytical chain suitable for pre-feasibility assessment. The study is based on an extended-scenario thermoeconomic analysis of representative heavy-oil development conditions. It is shown that, in a favorable mode, at a depth of about 400 m, oil viscosity of 15,000 cP, steam consumption of 500 t/day and heat-transfer coefficient of 0.7, the estimated production reaches 513–520 t/day, and the net profit is 20,000–22,000 USD/day. In an unfavorable mode, with a depth of about 1000 m, a viscosity of 20,000 cP, a heat-transfer coefficient of 0.4, and a high steam cost, production decreases to 210–230 t/day, and the economic result becomes negative. It has been established that the cost of steam, heat transfer, and the price of oil have a decisive impact on profitability. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 193715917
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Physically Oriented SAGD Profitability Model for High-Viscosity Oil Fields.
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. May2026, Vol. 19 Issue 9, p2021. 28p.
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  Data: *<searchLink fieldCode="DE" term="%22Profitability%22">Profitability</searchLink><br />*<searchLink fieldCode="DE" term="%22Thermal+oil+recovery%22">Thermal oil recovery</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+economics%22">Energy economics</searchLink><br />*<searchLink fieldCode="DE" term="%22Cost+benefit+analysis%22">Cost benefit analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Petroleum+production%22">Petroleum production</searchLink><br />*<searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br />*<searchLink fieldCode="DE" term="%22Enhanced+oil+recovery%22">Enhanced oil recovery</searchLink><br />*<searchLink fieldCode="DE" term="%22Heavy+oil%22">Heavy oil</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The development of high-viscosity oil fields requires technologies that provide not only the thermal mobilization of oil, but also an economically justified level of production with a high energy intensity of the process. One of the most effective technologies of this type is steam-assisted gravity oil drainage (SAGD), but its practical effectiveness is determined by the combined influence of reservoir geology, heat-transfer parameters, and market conditions. The paper proposes a reduced physics-guided model for the rapid technical and economic screening of SAGD in high-viscosity oil fields. The methodological contribution lies in linking geological screening, steam energy input, useful heat delivered to the reservoir, production response, and operating profit within one interpretable analytical chain suitable for pre-feasibility assessment. The study is based on an extended-scenario thermoeconomic analysis of representative heavy-oil development conditions. It is shown that, in a favorable mode, at a depth of about 400 m, oil viscosity of 15,000 cP, steam consumption of 500 t/day and heat-transfer coefficient of 0.7, the estimated production reaches 513–520 t/day, and the net profit is 20,000–22,000 USD/day. In an unfavorable mode, with a depth of about 1000 m, a viscosity of 20,000 cP, a heat-transfer coefficient of 0.4, and a high steam cost, production decreases to 210–230 t/day, and the economic result becomes negative. It has been established that the cost of steam, heat transfer, and the price of oil have a decisive impact on profitability. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.3390/en19092021
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 28
        StartPage: 2021
    Subjects:
      – SubjectFull: Profitability
        Type: general
      – SubjectFull: Thermal oil recovery
        Type: general
      – SubjectFull: Energy economics
        Type: general
      – SubjectFull: Cost benefit analysis
        Type: general
      – SubjectFull: Petroleum production
        Type: general
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Enhanced oil recovery
        Type: general
      – SubjectFull: Heavy oil
        Type: general
    Titles:
      – TitleFull: Physically Oriented SAGD Profitability Model for High-Viscosity Oil Fields.
        Type: main
  BibRelationships:
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      – PersonEntity:
          Name:
            NameFull: Zaurbekov, Kadyrzhan
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          Name:
            NameFull: Zaurbekov, Seitzhan
      – PersonEntity:
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            NameFull: Malozyomov, Boris V.
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            NameFull: Martyushev, Nikita V.
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          Dates:
            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 19961073
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              Value: 19
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              Value: 9
          Titles:
            – TitleFull: Energies (19961073)
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