Sinaga, Denny Felix (2021) Analisis Risiko pada Metode Decommissioning Struktur Jacket Platform X. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Anjungan lepas pantai digunakan untuk melakukan aktivitas minyak dan gas lepas pantai. Ketika sebuah struktur telah beroperasi selama umur operasi yang ditentukan maka struktur tersebut harus segera dilakukan pembongkaran (Decommissioning). Kegiatan pembongkaran terhadap anjungan lepas pantai dilakukan berdasarkan tiga opsi metode pembongkaran, yaitu Partial Removal, Complete Removal, dan Leave in Place. Dalam proses pembongkaran terdapat risiko yang dapat membahayakan dan merugikan proses pembongkaran. Sehingga dalam proses pembongkaran (Decommissioningi) diperlukan pemilhan metode pembongkaran yang tepat dan analisis risiko yang mungkin terjadi selama proses pembongkaran dilaksanakan. Dalam penelitian ini dilakukan analisis risiko yang terjadi pada metode pembongkaran struktur Jacket yang telah ditentukan. Pemilihan metode pembongkaran (Decommissioning) anjungan lepas pantai dapat dilakukan dengan Metode Analytic Hierarchy Process (AHP). Penilaian risiko yang mungkin terjadi dianalisa dengan metode Failure Mode and Effect Analysis untuk mendapatkan Risk Priority Number. Hasil dari penelitian didapatkan metode Decommissioning yang tepat berdasarkan studi kasus yaitu metode Complete Removal yang ditentukan berdasarkan empat variabel yaitu keamanan, biaya, dampak lingkungan, dan teknikal. Pada metode Complete Removal juga telah didapatkan moda kegagalan ledakan pada equipment ketika pembongkaran equipment menjadi risiko yang paling diprioritaskan.
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The offshore platform is used to carry out offshore oil and gas activities. When a structure has been operating for a specified operating life, the structure must be immediately decommissioned. The decommission activity of offshore platforms is carried out based on three methods of dismantling options, namely Partial Removal, Complete Removal, and Leave in Place. In the decommissioning process, there are risks that can endanger and harm the decommissioning process. So that in the decommissioning process, it is necessary to select the right decommissioning method and analyze the risks that may occur during the decommissioning process. In this study, an analysis of the risks that occur in the determined method of decommissioning the jacket structure was carried out. The choice of method of decommissioning of offshore platforms can be done using the Analytic Hierarchy Process (AHP) Method. The risk assessment that may occur is analyzed using the Failure Mode and Effect Analysis method to obtain a Risk Priority Number. The results of the research show that the appropriate decommissioning method is based on a case study, namely the Complete Removal method, which is determined based on four variables, namely safety, cost, environmental impact, and technical feasibility. In the Complete Removal method, the explosion failure mode of the equipment has also been obtained when dismantling the equipment is the most prioritized risk.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | Analisis Risiko, Decommissioning, Failure Mode and Effect Analysis (FMEA), Analytic Hierarchy Process (AHP) |
| Subjects: | T Technology > T Technology (General) > T174.5 Technology--Risk assessment. T Technology > TC Hydraulic engineering. Ocean engineering > TC1680 Offshore structures |
| Divisions: | Faculty of Marine Technology (MARTECH) > Ocean Engineering > 38201-(S1) Undergraduate Thesis |
| Depositing User: | Denny Felix Sinaga |
| Date Deposited: | 18 Aug 2021 05:16 |
| Last Modified: | 18 Aug 2021 05:16 |
| URI: | http://repository.its.ac.id/id/eprint/86882 |
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