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All Journal Scientific Contribution Oil and Gas LEMBARAN PUBLIKASI MINYAK DAN GAS BUMI
Nurus Firdaus
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Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Environmental Science

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A Preliminary Study on Heavy Oil Location in Central Sumatra using Remote Sensing and Geographic Information Sytem Suliantara; Tri Muji Susantoro; Herru Lastiadi Setiawan; Nurus Firdaus
Scientific Contributions Oil and Gas Vol. 44 No. 1 (2021): SCOG
Publisher : Testing Center for Oil and Gas LEMIGAS

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Abstract

Heavy oil which is classifi ed as non conventional oil is the target of exploration in the world. In Indonesia, the potential for heavy oil exploration is quite large, especially in the Central Sumatra basin. This study aims to map the location of potential heavy oil based on remote sensing data and regional gravity data supported by a geographic information system. Landsat 8 OLI satellite data is processed to produce 567 (RGB) color composite images, then further processing is carried out with DEM data to produce fusion images; mapping the vegetation index, clay mineral index, iron oxide index, surface temperature. The gravity data is used for mapping subsurface geological structures. Overlay analysis is carried out on the results of remote sensing data processing and interpretation of surface and subsurface geology. Based on the analysis, it shows that heavy oil fi elds are generally found on the surface and subsurface structures which are relatively identical and located on the edge of the basement high. Based on this analysis, the locations that have the potential for heavy oil and gas traps are on the northeast edge, Dalu-dalu High, the edge of Kampar High, the west edge of Kuantan High, the southwest edge of the Beruk High, the southwest edge of the Sembilan High.
Determination of Biodegradation Zone in Central Sumatra Basin Jonathan Setyoko Hadimuljono; Nurus Firdaus
Scientific Contributions Oil and Gas Vol. 44 No. 1 (2021): SCOG
Publisher : Testing Center for Oil and Gas LEMIGAS

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It is commonly known that heavy oil is mostly formed through biodegradation process within reservoir or on the surface both by aerobic and/or anaerobic bacteria that can live under specfi c temperature level(s). In order to investigate heavy oil occurences in Central Sumatra Basin, eff orts have been spent to determine the depths that represent the maximum temperature. By integrating the maximum viable temperature of typical bacteria and temperature gradient data, the depth of heavy oil zone is determined. The work is a combination of establishment of geothermal gradient map and laboratory analysis on fi eld sampled oil for determining types and temperature characteristics of microorganism living in the samples. Heavy oil sampling is made on seepages in areas nearby Minas fi eld. Subsequent laboratory analysis reveals Burkholderia multivorans ATCC BAA-247 as the predominant bacteria having maximum viabl temperature of 60° C. Based on the established geothermal gradient map, this maximum temperature correspond to average depth of 1818 ft (555.5 m). This average depth is used as the lower depth for the biodegradation zone over which investigation over presence of heavy oil bearing reservoirs/traps is made.
Source Sink Matching for Field Scale CCUS CO2-EOR Application in Indonesia Usman; Dadan DSM Saputra; Nurus Firdaus
Scientific Contributions Oil and Gas Vol. 44 No. 2 (2021): SCOG
Publisher : Testing Center for Oil and Gas LEMIGAS

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The carbon capture utilization and storage (CCUS) referred in this paper is limited to the use of CO2 to the enhanced oil recovery (CO2-EOR). The CCUS CO2-EOR technology can magnify oil production substantially while a consistent amount of the CO2 injected remains sequestrated in the reservoir, which is beneficial for reducing the greenhouse gas emission. Therefore, this technology is a potentially attractive win-win solution for Indonesia to meet the goal of improved energy supply and security, while also reducing CO2 emissions over the long term. The success of CCUS depends on the proper sources-sinks matching. This paper presents a systematic approach to pairing the CO2 captured from industrial activities with suitable oil fields for CO2-EOR. Inventories of CO2 sources and oil reservoirs were done through survey and data questionnaires. The process of sources-sinks matching was preceded by identifying the CO2 sources within the radius of 100 and 200 km from each oil field and clustering the fields within the same radius from each CO2 source. Each cluster is mapped on the GIS platform included existing and planning right of way for trunk pipelines. Pairing of source-sink are ranked to identify high priority development. Results of this study should be interest to project developers, policymakers, government agencies, academicians, civil society and environmental non-governmental organization in order to enable them to assess the role of CCUS CO2-EOR as a major carbon management strategy.
Lapangan Migas Potensial Sebagai CCUS-EOR Studi Kasus: Prospek Injeksi CO, di Sumatera Selatan M Romli; Sugihardjo; Djoko Sunarjanto; Suliantara; Nurus Firdaus; Dadan DSM Saputra
Lembaran Publikasi Minyak dan Gas Bumi Vol. 55 No. 3 (2021): LPMGB
Publisher : BBPMGB LEMIGAS

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Sumatera Selatan sebagai provinsi sumber energi perlu tetap dijaga kelestarian dan keberlanjutannya. Dua hal antara sumber energi dan menjaga kawasan berwawasan lingkungan, memunculkan ide mengoptimalkan Gas Co, sebagai hasil limbah PLTU untuk dikelola menjadi bermanfaat, dengan menginjeksikannya ke lapangan migas di Sumatera Selatan. Metodologi penelitian menggunakan analisis kualitatif dan kuantitatif data primer dan sekunder, baik data sumber dan target injeksi CO,. Hasil identifikasi data dilakukan analisis awal untuk menentukan lokasi terpilih di Sumatera Selatan. Survey lapangan berbasis Sistem Informasi Geografi di PLTU Simpang Belimbing dan sekitarnya guna menyusun Peta Network Clustering. Analisis buffer digunakan untuk mengetahui lokasi terbaik penempatan fasilitas integrasi CO,, distance analisis digunakan untuk mengetahui prioritas target berdasarkan jarak dari sumber, serta morfologi analisis digunakan untuk mengetahui fasilitas distribusi yang efektif bagi tiap pasangan sumber-target. Hasilnya diperoleh beberapa pasangan sumber-target yang secara jarak dan kebutuhan-ketersedian CO, mencukupi untuk dilakukan injeksi CO,-EOR. Alternatif skenario buffer zone dengan target Cluster Lapangan Migas PQR Sumatera Selatan, pada radius 100 km utamanya akan didukung CO, hasil PLTU Simpang Belimbing dan dua lapangan migas terpilih sebagai kandidat pada Klaster PQR. Jumlah isi minyak awal pada lapangan tersebut 365,850.00 MSTB, terdapat potensi produksi injeksi CO, sebesar 54,877.50 MSTB dan kebutuhan CO, untuk injeksi sebesar 21,951.00 MTon. Skenario radius 100 km akan ditambah dari Instalasi stasiun pengumpul gas Grisik dan Suban, dan seterusnya makin besar radius buffer akan banyak PLTU yang siap sebagai sumber CO,. Dilakukan pengukuran jarak datar yang sekaligus merupakan perhitungan panjang pipa dari lapangan migas ke sumber CO, terpilih, dalam radius 100 kilometer, minimum diperlukan pipa distribusi sepanjang 203.65 kilometer. Kelebihan penelitian ini terintegrasinya subsektor migas, mineral (batubara), dan energi guna menciptakan pengembangan energi hulu - hilir ramah lingkungan.
PEMANFAATAN METODE MULTISPEKTRAL UNTUK IDENTIFIKASI LITOLOGI PADA EKSPLORASI MIGAS. Yudi Kuntoro; Tri Mudji Susantoro; Herru Lastiadi Setiawan; Nurus Firdaus; Panuju; Epo Prasetya Kusumah
Lembaran Publikasi Minyak dan Gas Bumi Vol. 54 No. 1 (2020): LPMGB
Publisher : BBPMGB LEMIGAS

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Penelitian ini dilatarbelakangi oleh tidak terjangkaunya beberapa titik penting pada saat melaksanakan survei geologi karena faktor topografi atau faktor lain. Titik penting itu berupa singkapan batuan, maupun rembesan migas. Penelitian ini mengusulkan penggunaan sensor multispektral yang dimobilisasi menggunakan drone untuk membantu menjangkau semua titik dan meningkatkan efektivitas dan efisiensi survei. Penelitian ini dibangun dari hipotesis bahwa setiap manifestasi geologi akan mempunyai spektrum yang unik. Kegiatan penelitian ini mencakup perekaman spektrum sampel batuan referensi dan perekaman di lapangan (daerah aliran sungai Cipamingkis, Kabupaten Bogor). Hasil perekaman menunjukkan sebanyak 12 dari 14 sampel batupasir menghasilkan kurva berbentuk seperti huruf M, di mana band-2 dan band-4 mempunyai nilai lebih tinggi dibanding band lain. Enam sampel batulempung menunjukkan spektrum dengan puncak reflektansi pada band-4. Empat sampel batugamping memberikan spektrum dengan puncak pada band-2. Dua sampel batuserpih membentuk kurva menyerupai batulempung, sedangkan dua sampel lainnya mempunyai kurva menurun dari band-1 ke band-5. Dua sampel batubara mempunyai bentuk spektrum identik. Terakhir, 5 dari 6 sampel batuan beku menghasilkan bentuk kurva dengan puncak tertinggi pada band-2 dan terendah pada band-4. Hasil perekaman batuan referensi menunjukkan konsistensi data hingga 87,5% dan dari kegiatan ini dapat disimpulkan bahwa metode multispektral dapat digunakan untuk menidentifikasi manifestasi geologi.
Co-Authors Dadan DSM Saputra Djoko Sunarjanto Epo Prasetya Kusumah Herru Lastiadi Setiawan Jonathan Setyoko Hadimuljono M Romli Panuju Sugihardjo Suliantara Tri Mudji Susantoro Tri Muji Susantoro Usman Yudi Kuntoro