Quantitative Risk-Based Inspection on Gas Riser Pipelines at Offshore Facilities

Authors

  • Mhd. Ibkar Yusran Asfar Department of Metallurgy and Material Engineering, Faculty of Engineering, Universitas Indonesia Depok 16424, Indonesia
  • Johny Wahyuadi Soedarsono Department of Metallurgy and Material Engineering, Faculty of Engineering, Universitas Indonesia Depok 16424, Indonesia
  • Arie Wijaya Department of Metallurgy and Material Engineering, Faculty of Engineering, Universitas Indonesia Depok 16424, Indonesia
  • Taufik Aditiyawarman PT Pertamina Hulu Energi, Jakarta 12520, Indonesia
  • Dony Soelistiyono PT Pertamina Hulu Energi ONWJ, Jakarta 12520, Indonesia
  • Romal Ramadhan Department of Mining and Petroleum Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand

DOI:

https://doi.org/10.24036/teknomekanik.v4i2.11172

Keywords:

Quantitative, Risk-Based Inspection, Gas Pipeline, Offshore, Riser

Abstract

Numerous pipeline failures have occurred due to the drastic increase in oil and gas product distribution pipelines over the last three decades. Corrosion is a significant factor in the failure of offshore gas pipelines. It is necessary to maintain the integrity of the offshore transmission system, one of which is the riser, for the product to be adequately distributed. The purpose of this study is to ensure the riser's reliability by conducting a risk assessment of the probability and consequences of equipment failure, mitigating the impact of failure risk, and developing a more optimal inspection plan. The API 5L Grade X60 gas riser pipe is the subject of this study. The quantitative Risk-Based Inspection (RBI) technique was used in 2016 following the API 581 standard. This quantitative approach is founded on a numerical value model constructed using validated operational data and inspection results. The risk assessment indicates that the gas riser pipelines will have a high-risk level (5D) for the splash zone segment and a medium-risk level (2D) for the above-and below-water segments. The recommended inspection plan for the gas riser pipeline is one year after the risk-based inspection assessment.

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Published

2021-11-01

How to Cite

Asfar, M. I. Y., Soedarsono, J. W., Wijaya, A., Aditiyawarman, T., Soelistiyono, D., & Ramadhan, R. (2021). Quantitative Risk-Based Inspection on Gas Riser Pipelines at Offshore Facilities. Teknomekanik, 4(2), 78–84. https://doi.org/10.24036/teknomekanik.v4i2.11172

Issue

Vol. 4 No. 2 (2021): Regular Issue

Section

Research Articles

License

Copyright (c) 2021 Mhd. Ibkar Yusran Asfar, Johny Wahyuadi Soedarsono, Arie Wijaya, Dony Soelistiyono, Romal Ramadhan (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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