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All Journal Scientific Contribution Oil and Gas Lembaran Publikasi Minyak dan Gas Bumi
Firdaus, Nurus
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Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Environmental Science

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Pengolahan Data Citra Satelit untuk Mengidentifikasi Potensi Jebakan dalam Kegiatan Eksplorasi Migas Crystiana, Indah; Susantoro, Tri Muji; Firdaus, Nurus
Lembaran publikasi minyak dan gas bumi Vol 49, No 1 (2015)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (948.757 KB) | DOI: 10.29017/LPMGB.49.1.235

Abstract

Penggunaan teknologi penginderaan jauh saat ini mulai dimanfaatkan dalam berbagai aplikasi pemetaan. Proses ekstraksi informasi pada data penginderaan jauh dapat didasarkan pada pengamatan visual, nilai spektral, serta berdasar obyek. Evaluasi terhadap pemrosesan citra dilakukan untuk mendapatkan citra yang mudah untuk diinterpretasi secara visual. Interpretasi dilakukan untuk mengidentifikasi potensi area jebakan migas. Hal ini dilakukan dengan pemetaan perbedaan tinggian topografi di daerah landai. Metode pengolahan citra yang digunakan dalam penelitian ini adalah penajaman kontras, fusi, dan analisis komponen utama (PCA). Identifikasi potensi jebakan migas melalui pemetaan tinggian dilakukan dengan kombinasi dari perbedaan topografi, pola pengaliran, pola kelurusan, pemetaan penggunaan lahan dan pola perlapisan. Hasil penelitian menunjukkan perbedaan topografi, pola pengaliran, pola kelurusan dan pola perlapisan dapat dikenali dengan baik dengan pengolahan data citra satelit dengan metode penajaman kontras. Pemetaan penggunaan lahan tampak dengan sangat jelas dengan metode fusi dengan melalui pansharpening obyek. Sedangkan obyek-obyek yang berupa lahan terbuka atau lahan kering tampak terlihat sangat jelas pada proses pengolahan PCA. Hal ini ditunjukkan dengan warna cyan keputihan dan rona sangat cerah. Pada kombinasi dengan Shuttle Radar Topographic Mission (SRTM) di daerah landai kurang memberikan efek yang berarti dalam menonjolkan obyek ataupun topografinya. Validasi dilakukan menggunakan data permukaan (Differential GPS) dan menggunakan data bawah permukaan (seismik, sumur, dan lapangan migas). Hasilnya menunjukkan bahwa potensi jebakan migas dapat dikenali melalui perbedaan tinggian topografi. Hasil validasi dengan data lapangan menunjukkan sekitar 44% berada pada struktur yang sudah terbukti menghasilkan hidrokarbon.
A Preliminary Study on Heavy Oil Location in Central Sumatra using Remote Sensing and Geographic Information Sytem Suliantara, Suliantara; Susantoro, Tri Muji; Setiawan, Herru Lastiadi; Firdaus, Nurus
Scientific Contributions Oil and Gas Vol 44, No 1 (2021)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1675.083 KB) | DOI: 10.29017/SCOG.44.1.489

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.
SUSTAINABLE DEVELOPMENT AREA OF ONSHORE LIQFEFIED NATFRAL GAS (OLNG) IN EAST INDONESIA Sunarjanto, Djoko; ., Suliantara; Firdaus, Nurus; Setiawan, Heru L; Bayu, Rismoyo
Scientific Contributions Oil and Gas Vol 42, No 3 (2019)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1353.499 KB) | DOI: 10.29017/SCOG.42.3.398

Abstract

This study is supporting the safety downstream oil and gas industrial area from geological disasters, intended to bridge the needs of geological and geomorphological data in Onshore Refinery Natural Gas site selection. The methodology is comparison analysis and comparative studies to several refineries. Optimization of integrated potential regions is pursued in a sustainable manner, its Onshore Refinery Natural Gas activities with the others development sector. It is recommended the selection locations based on adjacent islands, integrate with several utilizing resources. Regional data such coastal areas with certain coastal heights, potential groundwater and runoff area, are relatively secured from geological disasters and integrated utilization of natural gas reserves for power plants, fertilizer plants, ammonia and so on. Eastern Indonesia has specific geological character in term of rock types and morphology that developed in this region. It is an important consideration in sustainable development area related to refinery development. The advantages of this study is optimization of coastal physiography for determining the selected parameters of Onshore Refinery Natural Gas location. The goal is to increase the local content related to geological engineering and geohazards activities in the sustainable development and selection of Onshore Refinery Natural Gas locations in Indonesia.
Determination of Biodegradation Zone in Central Sumatra Basin Hadimuljono, Jonathan Setyoko; Firdaus, Nurus
Scientific Contributions Oil and Gas Vol 44, No 1 (2021)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1132.551 KB) | DOI: 10.29017/SCOG.44.1.490

Abstract

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, Usman; Saputra, Dadan DSM; Firdaus, Nurus
Scientific Contributions Oil and Gas Vol 44, No 2 (2021)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2036.566 KB) | DOI: 10.29017/SCOG.44.2.586

Abstract

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 Romli, M; Sugihardjo, Sugihardjo; Sunarjanto, Djoko; Suliantara, Suliantara; Firdaus, Nurus; Saputra, Dadan DSM
Lembaran publikasi minyak dan gas bumi Vol 55, No 3 (2021)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/LPMGB.55.3.707

Abstract

 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.
Co-Authors ., Suliantara Bayu, Rismoyo Crystiana, Indah Hadimuljono, Jonathan Setyoko M ROMLI, M Saputra, Dadan DSM Setiawan, Herru Lastiadi Setiawan, Heru L Sugihardjo Sugihardjo Suliantara, Suliantara Sunarjanto, Djoko Tri Muji Susantoro, Tri Muji Usman Usman