Decentralized Valorization of Associated Petroleum Gas via Modular Oxy-Combustion and Carbon Capture: A Scalable Strategy for Global Flaring Reduction.
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| Title: | Decentralized Valorization of Associated Petroleum Gas via Modular Oxy-Combustion and Carbon Capture: A Scalable Strategy for Global Flaring Reduction. |
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| Authors: | Chiriboga, Gonzalo1 (AUTHOR) wgchiriboga@uce.edu.ec, Núñez, Brandon1 (AUTHOR), Montero-Calderón, Carolina1 (AUTHOR), Gutiérrez, Christian1 (AUTHOR), Almeida, Carlos1 (AUTHOR), Vega, Michael A.1 (AUTHOR), Carvajal-Chávez, Ghem1 (AUTHOR) |
| Source: | Energies (19961073). Apr2026, Vol. 19 Issue 8, p1949. 24p. |
| Subject Terms: | *Oil fields, *Flare gas systems (Chemical engineering), *Carbon sequestration, *Energy consumption |
| Abstract: | This study evaluates the technical feasibility of deploying containerized oxy-combustion power modules with integrated CO2 capture in remote Ecuadorian Amazon oil fields. Associated petroleum gas is conditioned with a 35 wt.% diethanolamine (DEA) sweetening stage specifically implemented to remove H2S and reduce acid-gas loading prior to combustion, improving fuel quality and protecting downstream equipment while increasing methane mole fraction for combustion. System efficiency is governed by stoichiometric oxygen demand, with methane requiring 2 mol O2/mol fuel and hexane requiring 11 mol O2/mol fuel; favoring methane-rich streams reduces ASU energy demand, enhances combustion performance, and lowers separation costs. The combined oxy-combustion cycle attains a thermal efficiency of 33.10% and an exergetic efficiency of 39.98%. Major energy penalties arise from the cryogenic air separation unit and the CCS train, yet operational tuning of CO2 recirculation and steam flow could raise thermal efficiency by up to 2%. The ASU produces oxygen at 96.67% purity with an energy consumption of 0.385 kWh/kg O2, while the CCS achieves 99.99% CO2 capture at 0.41 kWh/kg CO2. Sourcing gas from three production blocks provides flexibility to accommodate supply variability. The modular 272 MW unit demonstrates viability for off-grid power supply, routine flaring reduction, and scalable acid-gas valorization in frontier oilfields. [ABSTRACT FROM AUTHOR] |
| Database: | Energy & Power Source |
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| Header | DbId: enr DbLabel: Energy & Power Source An: 193438289 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Decentralized Valorization of Associated Petroleum Gas via Modular Oxy-Combustion and Carbon Capture: A Scalable Strategy for Global Flaring Reduction. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Chiriboga%2C+Gonzalo%22">Chiriboga, Gonzalo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wgchiriboga@uce.edu.ec</i><br /><searchLink fieldCode="AR" term="%22Núñez%2C+Brandon%22">Núñez, Brandon</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Montero-Calderón%2C+Carolina%22">Montero-Calderón, Carolina</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gutiérrez%2C+Christian%22">Gutiérrez, Christian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Almeida%2C+Carlos%22">Almeida, Carlos</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vega%2C+Michael+A%2E%22">Vega, Michael A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Carvajal-Chávez%2C+Ghem%22">Carvajal-Chávez, Ghem</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Apr2026, Vol. 19 Issue 8, p1949. 24p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Oil+fields%22">Oil fields</searchLink><br />*<searchLink fieldCode="DE" term="%22Flare+gas+systems+%28Chemical+engineering%29%22">Flare gas systems (Chemical engineering)</searchLink><br />*<searchLink fieldCode="DE" term="%22Carbon+sequestration%22">Carbon sequestration</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This study evaluates the technical feasibility of deploying containerized oxy-combustion power modules with integrated CO2 capture in remote Ecuadorian Amazon oil fields. Associated petroleum gas is conditioned with a 35 wt.% diethanolamine (DEA) sweetening stage specifically implemented to remove H2S and reduce acid-gas loading prior to combustion, improving fuel quality and protecting downstream equipment while increasing methane mole fraction for combustion. System efficiency is governed by stoichiometric oxygen demand, with methane requiring 2 mol O2/mol fuel and hexane requiring 11 mol O2/mol fuel; favoring methane-rich streams reduces ASU energy demand, enhances combustion performance, and lowers separation costs. The combined oxy-combustion cycle attains a thermal efficiency of 33.10% and an exergetic efficiency of 39.98%. Major energy penalties arise from the cryogenic air separation unit and the CCS train, yet operational tuning of CO2 recirculation and steam flow could raise thermal efficiency by up to 2%. The ASU produces oxygen at 96.67% purity with an energy consumption of 0.385 kWh/kg O2, while the CCS achieves 99.99% CO2 capture at 0.41 kWh/kg CO2. Sourcing gas from three production blocks provides flexibility to accommodate supply variability. The modular 272 MW unit demonstrates viability for off-grid power supply, routine flaring reduction, and scalable acid-gas valorization in frontier oilfields. [ABSTRACT FROM AUTHOR] |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=193438289 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/en19081949 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 24 StartPage: 1949 Subjects: – SubjectFull: Oil fields Type: general – SubjectFull: Flare gas systems (Chemical engineering) Type: general – SubjectFull: Carbon sequestration Type: general – SubjectFull: Energy consumption Type: general Titles: – TitleFull: Decentralized Valorization of Associated Petroleum Gas via Modular Oxy-Combustion and Carbon Capture: A Scalable Strategy for Global Flaring Reduction. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Chiriboga, Gonzalo – PersonEntity: Name: NameFull: Núñez, Brandon – PersonEntity: Name: NameFull: Montero-Calderón, Carolina – PersonEntity: Name: NameFull: Gutiérrez, Christian – PersonEntity: Name: NameFull: Almeida, Carlos – PersonEntity: Name: NameFull: Vega, Michael A. – PersonEntity: Name: NameFull: Carvajal-Chávez, Ghem IsPartOfRelationships: – BibEntity: Dates: – D: 15 M: 04 Text: Apr2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 19961073 Numbering: – Type: volume Value: 19 – Type: issue Value: 8 Titles: – TitleFull: Energies (19961073) Type: main |
| ResultId | 1 |
