Analisis Risk-Based Maintenance Pada Separation System Bangunan Lepas Pantai

Cahyono, Nanang (2021) Analisis Risk-Based Maintenance Pada Separation System Bangunan Lepas Pantai. Masters thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Energi merupakan kebutuhan utama yang digunakan untuk memenuhi berbagai kebutuhan manusia. Salah satu sumber energi yang dapat digunakan oleh manusia adalah minyak dan gas bumi. Pada abad ini, eksplorasi minyak dan gas bumi tidak hanya dilakukan di darat tetapi juga di laut lepas, karena banyak ditemukan cadangan minyak dan gas bumi di kedalaman dasar laut. Maka, di buatlah bangunan lepas pantai yang merupakan sebuah bangunan yang beroperasi di lautan lepas sekitar sumber minyak dan gas bumi untuk melakukan kegiatan pertambangan. Namun, dalam kegiatan eksplorasi minyak dan gas bumi, banyak ditemukan berbagai masalah terkait bagaimana menentukan strategi perawatan yang tepat untuk peralatan di bangunan lepas pantai. Karena, semua peralatan yang ada harus dijamin kehandalannya agar tidak menimbulkan bahaya baik bagi pekerja maupun lingkungan. Pada penelitian ini, akan dilakukan sebuah kombinasi yang dapat disebut risk-based maintenance yaitu dengan menggunakan kombinasi antara hazard and operability (HAZOP) study untuk menentukan level risiko setiap peralatan, lalu untuk peralatan yang memiliki level risiko tinggi dari tahap HAZOP, akan ditindak lanjuti dengan analisis risk-based inspection (RBI) untuk menentukan interval inspeksi, dan diakhiri dengan verifikasi safety integrity level (SIL) pada peralatan tersebut (separation system pada bangunan lepas pantai yang menjadi studi kasus). Sehingga didapatkan hasil pada tahap analisis HAZOP, peralatan yang memiliki level risiko paling tinggi adalah test separator (V-1010) dan production separator (V-1020). Pada tahap analisis RBI kedua peralatan tersebut memiliki level risiko medium risk ketika RBI date dan medium high risk ketika plan date. Sehingga, untuk test separator (V-1010) dan production separator (V-1020) inspection planning yang tepat adalah pada saat plan date (12/12/2024), hal ini dikarenakan sertifikasi peralatan dilakukan setiap empat tahun sekali dan risk target terpenuhi pada 12/06/2031. Sedangkan verifikasi safety integrity level (SIL) untuk test separator (V-1010) dan production separator (V-1020) mendapatkan hasil SIL-2. Dimana hasil ini sama dengan hasil perhitungan desainer sebelumnya, yang tertera di gambar P&ID.
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Energy is the source used to meet the needs of human life. One of the energy sources used by humans is natural oil and gas. Oil and gas exploration was not only carried out on land but also on the high seas. It is due to the discovery of oil and gas reserves in the depths of the seafloor. To carrying mine activities on the high seas, offshore platforms were constructed. There are various problems related to maintenance strategies for offshore platforms in oil and gas exploration activities. All existing equipment must be guaranteed reliability so as not to cause harm to both workers and the environment. This research uses a combination of risk-based maintenance analysis. The first analysis is the hazard and operability (HAZOP) study to determine the level of risk of equipment. High-risk equipment will be analyzed using risk-based inspection (RBI) analysis to determine the inspection interval. The last is the analysis of the safety integrity level (SIL) on types of equipment (in separation system at the offshore platforms for this research). The result of this research will show equipment that has the highest risk level is the test separator (V-1010) and the production separator (V-1020) at the HAZOP analysis stage. At the RBI analysis stage, two pieces of equipment have a medium risk for RBI date and a medium-high risk for plan date. So for the test separator (V-1010) and the production separator (V-1020), appropriate inspection planning is the plan date (12/12/2024). Because equipment certification is every four years and the risk target will reach on 12/06/2031. Meanwhile, verification of safety integrity level (SIL) for the separator test (V-1010) and the production separator (V-1020) gets result is SIL-2. These results are the same as the designer's previous calculations, which are list in the P&ID drawings.

Item Type: Thesis (Masters)
Uncontrolled Keywords: minyak bumi, gas bumi, bangunan lepas pantai, separation system, HAZOP, RBI, SIL, inspection planning, natural oil, natural gas, offshore platform, separation system, HAZOP, RBI, SIL, inspection planning.
Subjects: H Social Sciences > HD Industries. Land use. Labor > HD3656 Inspection. Factory inspection
H Social Sciences > HD Industries. Land use. Labor > HD61 Risk Management
H Social Sciences > HV Social pathology. Social and public welfare > HV551.5.I4 Hazard mitigation
T Technology > T Technology (General) > T174.5 Technology--Risk assessment.
T Technology > T Technology (General) > T55 Industrial Safety
T Technology > TA Engineering (General). Civil engineering (General) > TA169 Reliability (Engineering)
T Technology > TA Engineering (General). Civil engineering (General) > TA169.5 Failure analysis
T Technology > TA Engineering (General). Civil engineering (General) > TA418.74 Corrosion and anti-corrosives
T Technology > TA Engineering (General). Civil engineering (General) > TA660.T34 Tanks. Pressure vessels
T Technology > TH Building construction > TH3351 Maintenance and repair
T Technology > TJ Mechanical engineering and machinery
T Technology > TN Mining engineering. Metallurgy
T Technology > TN Mining engineering. Metallurgy > TN871.3 Offshore well drilling
T Technology > TS Manufactures > TS174 Maintainability (Engineering) . Reliability (Engineering)
V Naval Science > VC Naval Maintenance
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering > VM293 Shipping--Indonesia--Safety measures
Divisions: Faculty of Marine Technology (MARTECH) > Marine Engineering > 36101-(S2) Master Theses
Depositing User: Nanang Cahyono
Date Deposited: 15 May 2025 06:19
Last Modified: 15 May 2025 06:19
URI: http://repository.its.ac.id/id/eprint/90097

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