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Assigning the size of the protected area during the TTS LNG bunkering operation

EDN: YZMAKE

Abstract

   The work is devoted to the issue of assigning the size of a security area during the TTS LNG bunkering using the tanker-ship method. The initial data for the calculation scenario (leak location, equipment susceptible to damage, pressure and parameters of LNG inside the bunkering hose for liquid phase of LNG, dimensions of the hose for transferring bunker LNG) obtained during the risk assessment of this operation were proposed. When solving this problem, the LNG expiration rate was determined in two ways — according to the original methodology of Prof. V.A. Pavlovsky and the approximation from the IEC 60079-10-1:2021, which showed the same results. The results of the study can be used to determine the size of the security area when planning LNG bunkering using the tanker-ship method. The research materials of domestic and foreign scientists, as well as relevant guidance documents, are summarized and analyzed.

About the Authors

A. S. Reutskii
FAI Russian Maritime Register of Shipping
Russian Federation

PhD

191186; Millionnaya ul., 7A; St. Petersburg



V. A. Pavlovsky
St. Petersburg State Marine Technical University
Russian Federation

DSc in Physics and Mathematics, Professor

190121; Lotsmanskaya ul., 3; St. Petersburg



References

1. International Code of Safety for Ships Using Gases of Other Low — Flashpoint Fuels (IGF Code). Resolution MSC. 391(95) (adopted on 11 June 2015).

2. Shurpyak V.K., Semionichev D.S., Reutskii A.S., Mikheeva A.A. The use of a formalized safety assessment for marine ammonia refrigeration units. Research Bulletin by Russian Maritime Register of Shipping. 2024. No. 77. P. 14 — 23. EDN: EBEQMS. (In Russ.)

3. GOST Р 59021-2020. Neftyanaya i gazovaya promyshlennost'. Gruzovye operatsii i bunkerovka szhizhennym prirodnym gazom. Obshchie trebovaniya [State Standard Р 59021-2020. Petroleum and natural gas industries. Cargo operations and LNG bunkering. General requirements]. Moscow: Standartinform, 2020.

4. GOST Р 70618-2022. (ISO 20519). Suda i morskie tekhnologii. Bunkerovka sudov, rabotayushchikh na szhizhennom prirodnom gaze. Trebovaniya. [State Standard Р 70618-2022 (ISO 20519). Ships and marine technology. Bunkering of liquefied natural gas fuelled vessels. Requirements]. Moscow: Rossiiskii institut standartizatsii, 2023.

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12. IEC 60079-10-1:2021 Explosive atmospheres. Part 10-1: Classification of areas — Explosive gas atmospheres.

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14. Inspection of stainless steel flanges of LNG gasification stations. Landee Flange. March 15, 2023. URL: https://www.landeeflange.com/inspection-of-stainless-steel-flanges-of-lng-gasification-stations.html (accessed 24. 02. 2025).

15. Pavlovskii V.A., Reutskii A.S. Teplofizicheskie osnovy morskoi transportirovki i bunkerovki szhizhennogo prirodnogo gaza [Thermophysical basis of marine transportation and bunkering of liquefied natural gas]. St. Petersburg: KGNTs, 2019. 88 р. EDN: EZHRNH.

16. Reutsky A., Tarovik O., Pavlovsky V. Evaluation of liquefied natural gas losses during bunkering and accompanying working operations. Transactions of the Krylov State Research Centre. 2020. Special Edition No. 1. P. 122 — 130. DOI: 10.24937/2542-2324-2020-1-S-I-122-130. EDN: TFMMJP. (In Russ.)

17. Pavlovsky V., Reutsky A. LNG bunker handling system verification. Transactions of the Krylov State Research Centre. 2018. Special Edition No. 2. P. 191 — 199. DOI: 10.24937/2542-2324-2018-2-S-I-191-199. EDN: VOWLGK. (In Russ.)


Review

For citations:


Reutskii A.S., Pavlovsky V.A. Assigning the size of the protected area during the TTS LNG bunkering operation. Research Bulletin by Russian Maritime Register of Shipping. 2025;(78):4-15. (In Russ.) EDN: YZMAKE

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