Analisis Risiko Kebocoran pada Jaringan Pipa Bawah Laut di PT. Pertamina Hulu Energi ONWJ (Studi Kasus: 32” MGL-NGLB Cilamaya)

Sinay, Jack Otniel (2023) Analisis Risiko Kebocoran pada Jaringan Pipa Bawah Laut di PT. Pertamina Hulu Energi ONWJ (Studi Kasus: 32” MGL-NGLB Cilamaya). Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Kecelakaan kegagalan pipa yang terjadi secara signifikan menimbulkan masalah dan menimbulkan dampak kerugian ekonomi termasuk biaya pembersihan dan pemulihan akibat kerusakan lingkungan. Oleh karena itu, keamanan jaringan pipa gas bawah laut menjadi isu yang sangat diperhatikan dalam penelitian ini. Penelitian ini bertujuan untuk melakukan identifikasi risiko penyebab kebocoran pada offshore pipeline 32” MGL-NGLB Cilamaya milik PT. Pertamina Hulu Energi pada segmen pipa yang terletak di dasar laut NGLB-Cilamaya-03. Berdasarkan data lapangan diketahui bahwa daerah ini merupakan daerah yang tinggi akan risiko kebocoran. Adapun penelitian ini menggunakan metode Fault Tree Analysis (FTA) dan Failure Mode and Effects Analysis (FMEA). Berdasarkan analisis menggunakan fish bone, peneliti menemukan 29 risiko penyebab kebocoran Pipa Bawah Laut 32” MGL-NGLB Cilamaya milik PT. Pertamina Hulu Energi. Hasil dari fault tree analysist didapatkan bahwa probability untuk main event kebocoran pipa bawah laut karena factor External Forces sebesar 0,176, dan untuk kebocoran pipa bawah laut karena faktor rupture sebesar 0,078. Probability top event yaitu kebocoran pipa bawah laut sebesar 0,254. Dari hasil pemetaan risk ranking setiap risko ke dalam matriks risiko, didapatkan 3 risiko yang masuk ke dalam kategori high risk, yaitu dragged anchor dengan risk ranking 16, Kegagalan external corrosion dengan risk ranking 16, dan peralatan maintenance yang buruk dengan risk ranking 16. Berdasarkan analisis risk reducing potensi bahaya dominan yang telah dilakukan. Peneliti menemukan bahwa mitigasi yang dilakukan dapat mengurangi tingkat risiko tinggi yang terjadi, dimana tingkat risiko dari ketiga risiko domininan turun menjadi 4 (low risk).
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Pipe failure accidents that occur significantly cause problems and cause economic losses, including cleaning and recovery costs due to environmental damage. Therefore, the safety of submarine gas pipelines is a very concerning issue in this study. This study aims to identify the risk of causing leaks in the offshore pipeline of 32" MGL-NGLB Cilamaya owned by PT. Pertamina Hulu Energi in the pipeline segment on the seabed of NGLB-Cilamaya-03. Based on field data, this area has a high risk of leakage. This study used the Fault Tree Analysis (FTA) and Failure Mode and Effects Analysis (FMEA) methods. Based on the analysis using fish bone, the researcher obtained 29 risks for leakage of the 32" MGL-NGLB Cilamaya Submarine Pipe owned by PT. Pertamina Hulu Energi. The results of the fault tree analysis found that the main event probability of an offshore pipeline leak was due to an external forces factor of 0,176 and an offshore pipeline leak was due to a rupture factor of 0,078. The top event probability is an undersea pipe leak of 0,254. From the results of mapping the risk ranking of each risk into the risk matrix, 3 (three) risks were obtained that fall into the high-risk category, namely dragged anchor with a risk rating of 16, Failure of external coating with a risk rating of 16, and Poor equipment maintenance with a risk rating of 16. Based on the analysis of risk-reducing the dominant potential hazards of this study. Researchers found that mitigations can reduce the high-risk level of occurring where the risk level of the three dominant risks drops to 4 (low risk).

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Risk Assessment, FTA, FMEA Offshore Pipeline, Bow-Tie Analysis
Subjects:	T Technology > TC Hydraulic engineering. Ocean engineering > TC1680 Offshore structures
Divisions:	Faculty of Marine Technology (MARTECH) > Ocean Engineering > 38201-(S1) Undergraduate Thesis
Depositing User:	Jack Otniel Sinay
Date Deposited:	18 Jan 2023 08:43
Last Modified:	18 Jan 2023 08:43
URI:	http://repository.its.ac.id/id/eprint/95443

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