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Exergy destruction and losses on four North Sea offshore platforms: A comparative study of the oil and gas processing plants

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  • Voldsund, Mari
  • Nguyen, Tuong-Van
  • Elmegaard, Brian
  • Ertesvåg, Ivar S.
  • Røsjorde, Audun
  • Jøssang, Knut
  • Kjelstrup, Signe

Abstract

The oil and gas processing plants of four North Sea offshore platforms are analysed and compared, based on the exergy analysis method. Sources of exergy destruction and losses are identified and the findings for the different platforms are compared. Different platforms have different working conditions, which implies that some platforms need less heat and power than others. Reservoir properties and composition vary over the lifetime of an oil field, and therefore maintaining a high efficiency of the processing plant is challenging. The results of the analysis show that 27%–57% of the exergy destruction take place in the gas treatment sections, 13%–29% take place in the gas recompression sections and 10%–24% occur in the production manifolds. The exergy losses with flared gas are significant for two of the platforms. The exact potential for energy savings and for enhancing system performances differs across offshore platforms. However, the results indicate that the largest rooms for improvement lie in (i) gas compression systems where large amounts of gas may be compressed and recycled to prevent surge, (ii) production manifolds where well-streams are depressurised and mixed, and (iii) in the installation of flare gas recovery systems.

Suggested Citation

  • Voldsund, Mari & Nguyen, Tuong-Van & Elmegaard, Brian & Ertesvåg, Ivar S. & Røsjorde, Audun & Jøssang, Knut & Kjelstrup, Signe, 2014. "Exergy destruction and losses on four North Sea offshore platforms: A comparative study of the oil and gas processing plants," Energy, Elsevier, vol. 74(C), pages 45-58.
    • Handle: RePEc:eee:energy:v:74:y:2014:i:c:p:45-58
    DOI: 10.1016/j.energy.2014.02.080
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    1. Nguyen, Tuong-Van & Jacyno, Tomasz & Breuhaus, Peter & Voldsund, Mari & Elmegaard, Brian, 2014. "Thermodynamic analysis of an upstream petroleum plant operated on a mature field," Energy, Elsevier, vol. 68(C), pages 454-469.
    2. Nguyen, Tuong-Van & Pierobon, Leonardo & Elmegaard, Brian & Haglind, Fredrik & Breuhaus, Peter & Voldsund, Mari, 2013. "Exergetic assessment of energy systems on North Sea oil and gas platforms," Energy, Elsevier, vol. 62(C), pages 23-36.
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    Cited by:

    1. Allahyarzadeh-Bidgoli, Ali & Salviano, Leandro Oliveira & Dezan, Daniel Jonas & de Oliveira Junior, Silvio & Yanagihara, Jurandir Itizo, 2018. "Energy optimization of an FPSO operating in the Brazilian Pre-salt region," Energy, Elsevier, vol. 164(C), pages 390-399.
    2. Nguyen, Tuong-Van & Voldsund, Mari & Elmegaard, Brian & Ertesvåg, Ivar Ståle & Kjelstrup, Signe, 2014. "On the definition of exergy efficiencies for petroleum systems: Application to offshore oil and gas processing," Energy, Elsevier, vol. 73(C), pages 264-281.
    3. Nguyen, Tuong-Van & de Oliveira Júnior, Silvio, 2018. "Life performance of oil and gas platforms for various production profiles and feed compositions," Energy, Elsevier, vol. 161(C), pages 583-594.
    4. Nguyen, Tuong-Van & de Oliveira Júnior, Silvio, 2018. "System evaluation of offshore platforms with gas liquefaction processes," Energy, Elsevier, vol. 144(C), pages 594-606.
    5. Nguyen, Tuong-Van & Tock, Laurence & Breuhaus, Peter & Maréchal, François & Elmegaard, Brian, 2016. "CO2-mitigation options for the offshore oil and gas sector," Applied Energy, Elsevier, vol. 161(C), pages 673-694.
    6. Tahouni, Nassim & Gholami, Majid & Panjeshahi, M. Hassan, 2016. "Integration of flare gas with fuel gas network in refineries," Energy, Elsevier, vol. 111(C), pages 82-91.
    7. Nguyen, Tuong-Van & Voldsund, Mari & Breuhaus, Peter & Elmegaard, Brian, 2016. "Energy efficiency measures for offshore oil and gas platforms," Energy, Elsevier, vol. 117(P2), pages 325-340.
    8. Carranza Sánchez, Yamid Alberto & de Oliveira, Silvio, 2015. "Exergy analysis of offshore primary petroleum processing plant with CO2 capture," Energy, Elsevier, vol. 88(C), pages 46-56.
    9. Luca Riboldi & Lars O. Nord, 2017. "Lifetime Assessment of Combined Cycles for Cogeneration of Power and Heat in Offshore Oil and Gas Installations," Energies, MDPI, vol. 10(6), pages 1-23, May.
    10. Nguyen, Tuong-Van & Barbosa, Yuri M. & da Silva, Julio A.M. & de Oliveira Junior, Silvio, 2019. "A novel methodology for the design and optimisation of oil and gas offshore platforms," Energy, Elsevier, vol. 185(C), pages 158-175.
    11. Nguyen, Tuong-Van & Fülöp, Tamás Gábor & Breuhaus, Peter & Elmegaard, Brian, 2014. "Life performance of oil and gas platforms: Site integration and thermodynamic evaluation," Energy, Elsevier, vol. 73(C), pages 282-301.
    12. Barbosa, Yuri M. & da Silva, Julio A.M. & Junior, Silvio de O. & Torres, Ednildo A., 2019. "Deep seawater as efficiency improver for cogeneration plants of petroleum production units," Energy, Elsevier, vol. 177(C), pages 29-43.
    13. Roussanaly, S. & Aasen, A. & Anantharaman, R. & Danielsen, B. & Jakobsen, J. & Heme-De-Lacotte, L. & Neji, G. & Sødal, A. & Wahl, P.E. & Vrana, T.K. & Dreux, R., 2019. "Offshore power generation with carbon capture and storage to decarbonise mainland electricity and offshore oil and gas installations: A techno-economic analysis," Applied Energy, Elsevier, vol. 233, pages 478-494.
    14. Barrera, Julian Esteban & Bazzo, Edson & Kami, Eduardo, 2015. "Exergy analysis and energy improvement of a Brazilian floating oil platform using Organic Rankine Cycles," Energy, Elsevier, vol. 88(C), pages 67-79.
    15. Barbosa, Yuri M. & da Silva, Julio A.M. & Junior, Silvio de O. & Torres, Ednildo A., 2018. "Performance assessment of primary petroleum production cogeneration plants," Energy, Elsevier, vol. 160(C), pages 233-244.
    16. Li, Zhuochao & Zhang, Haoran & Meng, Jing & Long, Yin & Yan, Yamin & Li, Meixuan & Huang, Zhongliang & Liang, Yongtu, 2020. "Reducing carbon footprint of deep-sea oil and gas field exploitation by optimization for Floating Production Storage and Offloading," Applied Energy, Elsevier, vol. 261(C).
    17. Flórez-Orrego, Daniel & Henriques, Izabela B. & Nguyen, Tuong-Van & Mendes da Silva, Julio A. & Keutenedjian Mady, Carlos E. & Pellegrini, Luiz Felipe & Gandolfi, Ricardo & Velasquez, Hector I. & Burb, 2018. "The contributions of Prof. Jan Szargut to the exergy and environmental assessment of complex energy systems," Energy, Elsevier, vol. 161(C), pages 482-492.

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