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"Perancangan LPG Plant dengan memanfaatkan gas suar bakar sebagai bahan baku kilang LPG bertujuan untuk mengetahui kelayakan pembangunan LPG Plant ditinjau dari segi teknis maupun ekonomi sehingga dapat menjadi rekomendasi dalam pemenuhan kebutuhan LPG domestik dengan memanfaatkan gas suar bakar yang dihasilkan dari lapangan gas Tambun, Bekasi. Proses dasar LPG dari gas suar bakar adalah pemisahan menggunakan sistem refrijerasi. Produk yang dihasilkan memenuhi syarat LPG yang digunakan secara komersial yaitu jumlah komponen propana dan butana lebih dari 97,5 %. Dari hasil simulasi diperoleh produk LPG sebesar 120 ton per hari, kondensat 240 barrel per hari dan lean gas sebesar 11 MMSCFD. Biaya investasi LPG Plant dengan kapasitas 15 MMSCFD adalah US $ 31.63 juta dengan tingkat nilai pengembalian yang disyaratkan 10%/tahun NPV sebesar US $ 121,45 juta, IRR 62,58 % dan Payback Period 2 tahun.

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LPG Plant design is to study whether the utilization of flare gas as the feed gas of LPG Plant feasible or not to be developed technically and economically. This study could be recommended as an alternative to fulfill the LPG demand in domestic. Selected process for LPG recovery is Refrigeration system. The product has to fulfill the LPG specification which contains more than 97.5 % of propane and butane.

From the simulation, the result product of LPG Plant is 120 tonne/day of LPG, 240 barrel/day of condensates and 11 MMSCFD of lean gas to pipeline. Economic analysis shows that the total capital investment of this plant with 15 MMSCFD capacity is US $ 31.63 million. In case of 10 % MARR, NPV results are US $ 121,45 million , IRR 62,58 % and payback period is 2 years."

"ABSTRAKGas suar bakar merupakan gas yang dihasilkan oleh kegiatan eksplorasi dan produksi ataupengolahan minyak atau gas bumi yang dibakar karena tidak dapat ditangani oleh fasilitasproduksi atau pengolahan yang tersedia sehingga belum termanfaatkan. Berdasarkan datapemanfaatan gas bumi tahun 2016 yang dikeluarkan oleh ESDM, jumlah gas suar bakardi Indonesia masih cukup besar yaitu sebesar 214.3 MMSCFD. Gas to Liquid merupakansalah satu teknologi yang dapat digunakan dalam pemanfaatan gas suar bakar.Penggunaan teknologi ini membuat produk hasil pengolahan gas menjadi lebih mudahuntuk didistribusikan. Penelitian ini bertujuan untuk mengetahui kelayakan teknis danekonomi pemanfaatan gas suar bakar dari lapangan onshore X dan lapangan offshore Ydan Z dengan menggunakan teknologi GTL. Metode yang digunakan pada penelitian iniadalah simulasi pemodelan proses dan perhitungan keekonomian. Dengan membuatrancangan simulasi proses sesuai dengan konversi pada reaktor microchannel padapembuatan syngas dan syncrude, dihasilkan produk berupa syncrude, dari Lapangan Xsebesar 714 bbl/day, Lapangan Y menghasilkan 557 bbl/day, sedangkan Lapangan Zsebesar 614 bbl/day. Pada perhitungan keekonomian, dengan menggunakan asumsi hargagas suar bakar 0.35 US$/MMBTU dan harga syncrude 57 US$/bbl, didapatkan IRR untukLapangan X sebesar 18.28%, Lapangan Y 13.29% dan Lapangan Z 26.47%

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ABSTRACTGas flare is a gas produced by exploration activities and production or processing of oilor natural gas which is burned because it can not be handled by production or processingfacilities that is available so it has not been utilized. Based on data of utilization of naturalgas issued 2016 by ESDM, the amount of flare gas in Indonesia is still quite large that isequal to 214.3 MMSCFD. Gas to Liquid is one of the technologies that can be used in theutilization of flare gas. The use of this technology makes the product of gas processingbecomes easier to distribute. This study aims to determine the technical and economicviability of the use of flare gas from X onshore field and Y offshore field by using GTLtechnology. The method used in this research is the simulation of process modeling andeconomical calculation. By making process simulation with conversion for microchannelreactor on syngas and syncrude production, syncrude is produced from X Field withflowrate 714 bbl/day, whereas from Y Field is 557 bbl/day and Z Field produces 614bbl/day. Then, the economic calculation obtained IRR result for X field 18.28%, Y Field13.29% and Z Field 26.47%."

"[ABSTRAKTesis ini membahas bagaimana memanfaatkan gas suar bakar yang ada diPlatform X untuk dapat menjadi suatu yang bernilai ekonomis. Gas suar bakaryang ada di Platform X selama ini hanya dibakar. Penelitian ini dimulai denganmenganalisa komposisi gas suar bakar yang ada di Platform X agar dapatditentukan proses seperti apa yang tepat untuk mengolah gas suar bakar menjadigas jual. Dari segi analisis teknis, proses Kompresi Gas merupakan pilihan tepatuntuk mengolah gas suar bakar menjadi gas jual. Dilihat dari analisa komposisigas suar bakar yang rendah gas asam membuatnya tidak perlu pengolahanlanjutan. Gas suar bakar dapat dikompresikan untuk dialirkan ke aliran gas yangmasuk ke fasilitas gas eksport untuk diproses agar sesuai dengan spesifikasi gaseksport. Fasilitas gas eksport di Platform X didesain untuk menampung gas 175MMSCFD dimana produksi saat ini sebesar 125 MMSCFD sehingga masihmampu menampung masukan gas. Dari hasil analisa ekonomi investasi ini dinilailayak dilakukan, dengan nilai WACC 23,89% dan IRR 28,88%.

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ABSTRACTThe focus of this study is how to utilize Flare Gas in Platform X into valuableproducts. At all this time, the Flare Gas in Platform X is just burn in to flaring tip.This study is starting with analyze the gas composition in Platform X so it canspecified what the right method to utilize the Flare Gas in Platform X into salesgas. From technical analysis, the Gas Compression is a perfect method totreatment Flare gas into sales gas. From the composition of gas analysis this gashas lower sour gas contents makes it unnecessary further treatment. Flare gas canbe compressed to flow into the gas stream entering the facility to export gas to beprocessed in order to conform to the specifications of the gas export. Platform XGas export facilities designed to handle 175 MMSCFD of gas so it still able tohandle input gas. From the results of the economic analysis of investments isconsidered feasible, the WACC value of 23.89% and 28.88% IRR.;The focus of this study is how to utilize Flare Gas in Platform X into valuableproducts. At all this time, the Flare Gas in Platform X is just burn in to flaring tip.This study is starting with analyze the gas composition in Platform X so it canspecified what the right method to utilize the Flare Gas in Platform X into salesgas. From technical analysis, the Gas Compression is a perfect method totreatment Flare gas into sales gas. From the composition of gas analysis this gashas lower sour gas contents makes it unnecessary further treatment. Flare gas canbe compressed to flow into the gas stream entering the facility to export gas to beprocessed in order to conform to the specifications of the gas export. Platform XGas export facilities designed to handle 175 MMSCFD of gas so it still able tohandle input gas. From the results of the economic analysis of investments isconsidered feasible, the WACC value of 23.89% and 28.88% IRR.;The focus of this study is how to utilize Flare Gas in Platform X into valuableproducts. At all this time, the Flare Gas in Platform X is just burn in to flaring tip.This study is starting with analyze the gas composition in Platform X so it canspecified what the right method to utilize the Flare Gas in Platform X into salesgas. From technical analysis, the Gas Compression is a perfect method totreatment Flare gas into sales gas. From the composition of gas analysis this gashas lower sour gas contents makes it unnecessary further treatment. Flare gas canbe compressed to flow into the gas stream entering the facility to export gas to beprocessed in order to conform to the specifications of the gas export. Platform XGas export facilities designed to handle 175 MMSCFD of gas so it still able tohandle input gas. From the results of the economic analysis of investments isconsidered feasible, the WACC value of 23.89% and 28.88% IRR.;The focus of this study is how to utilize Flare Gas in Platform X into valuableproducts. At all this time, the Flare Gas in Platform X is just burn in to flaring tip.This study is starting with analyze the gas composition in Platform X so it canspecified what the right method to utilize the Flare Gas in Platform X into salesgas. From technical analysis, the Gas Compression is a perfect method totreatment Flare gas into sales gas. From the composition of gas analysis this gashas lower sour gas contents makes it unnecessary further treatment. Flare gas canbe compressed to flow into the gas stream entering the facility to export gas to beprocessed in order to conform to the specifications of the gas export. Platform XGas export facilities designed to handle 175 MMSCFD of gas so it still able tohandle input gas. From the results of the economic analysis of investments isconsidered feasible, the WACC value of 23.89% and 28.88% IRR., The focus of this study is how to utilize Flare Gas in Platform X into valuableproducts. At all this time, the Flare Gas in Platform X is just burn in to flaring tip.This study is starting with analyze the gas composition in Platform X so it canspecified what the right method to utilize the Flare Gas in Platform X into salesgas. From technical analysis, the Gas Compression is a perfect method totreatment Flare gas into sales gas. From the composition of gas analysis this gashas lower sour gas contents makes it unnecessary further treatment. Flare gas canbe compressed to flow into the gas stream entering the facility to export gas to beprocessed in order to conform to the specifications of the gas export. Platform XGas export facilities designed to handle 175 MMSCFD of gas so it still able tohandle input gas. From the results of the economic analysis of investments isconsidered feasible, the WACC value of 23.89% and 28.88% IRR.]"