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

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Pengaruh Faktor Fundamental dan Non Fundamental Maizar Rahman
Lembaran Publikasi Minyak dan Gas Bumi Vol. 42 No. 3 (2008): LPMGB
Publisher : BBPMGB LEMIGAS

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Abstract

Stabilitas pasokan dan harga minyak sangat diperlukan dunia untuk mendorong pertumbuhan ekonomi. Karena itu harga yang mampu prediksi sangat didambakan banyak pihak, baik pemerintah, badan usaha maupun investor agar semua kegiatan dapat direalisasikan sesuai rencana. Namun dalam kenyataannya harga minyak tidak mampu diprediksi dan sering bergerak ke arah yang tidak diduga. Dalam tulisan ini akan ditinjau faktor-faktor yang mempengaruhi harga minyak baik fundamental (permintaan, pasokan, stok minyak, kapasitas produksi cadangan dunia, kemampuan kilang dunia) maupun non fundamental (geopolitik, kebijakan pemerintah, cuaca, bencana alam, pemogokan, kerusakan instalasi rantai produksi, pelemahan nilai dollar, spekulasi) serta kebijakan pasokan OPEC. Juga ditinjau perkiraan ke depan situasi pasar dan harga minyak dunia sesudah krisis keuangan dan ekonomi dunia tahun 2008.
Optimalisasi Transesterifikasi Minyak Kelapa Sawit Menjadi Biodiesel dengan Katalis NaOH Herizal; Maizar Rahman
Lembaran Publikasi Minyak dan Gas Bumi Vol. 42 No. 3 (2008): LPMGB
Publisher : BBPMGB LEMIGAS

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Telah dilakukan percobaan sintesis biodiesel melalui transesterifikasi minyak kelapa sawit (CPO) dengan metanol dan NaOH sebagai katalisnya. Untuk memperoleh kondisi operasi yang optimum maka beberapa variabel proses digunakan seperti konsentrasi katalis NaOH yang konsentrasinya antara 0,46-1,84%-berat, rasio molar Metanol/CPO yang besarnya sekitar 6-12, waktu reaksi antara 15-120 menit dan temperatur reaksi sekitar 50-65°C. Variabel yang optimal tersebut dipakai untuk memaksimalkan perolehan metil ester (biodiesel). Dalam studi ini perolehan biodiesel yang maksimal adalah sekitar 99%-berat. Produk tersebut dapat diperoleh pada kondisi operasi optimum sebagai berikut : konsentrasi NaOH = 1,38%, rasio molar = 10, waktu reaksi = 60 menit dan temperatur = 60°C. Karakteristik biodesel yang dihasilkan seperti viskositas kinematis, berat jenis, titik nyala dan sebagainya, masih berada pada batasan yang tercantum dalam SNI Biodiesel.
Tinjauan Pemakaian Oksigenat dalam Bensin di Eropa Barat Maizar Rahman; Widjoseno Kaslan
Lembaran Publikasi Minyak dan Gas Bumi Vol. 23 No. 1 (1989): LPMGB
Publisher : BBPMGB LEMIGAS

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Penurunan kandungan Timah Hitam (Pb) dalam bensin sudah mulai berjalan di negara di dunia, didorong kesadaran atas lingkungan. Masyarakat Ekonomi Eropa telah mengharuskan negara negara anggotanya untuk meyediakan bensin bebas Pb dalam kawasan masing masing terhitung Oktober 1989. Penghilangan Pb dari bensin menimbulkan masalah pengadaan komponen angka oktana tinggi pada "pool' bensIn negara negara tersebut. Karena itu produk prouduk oksigenat merupakan alternatif utama untuk mengatasi hal tersebut. Berdasarkan kelebihan teknis dalam pemakian serta faktor ekonomis. MTBE dewasa ini merupakan pilihan utama diantara berbagai jenis oksigenat yang ada.
Indonesia‘s Refining Developments: Future Prospects and Challenges Maizar Rahman
Scientific Contributions Oil and Gas Vol 33 No 2 (2010)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.33.2.660

Abstract

Since 1994 Indonesia has not built any new refineries due to the economic crisis in1998, which was followed by political reform. Last year Indonesia had imported more than400 thousand bpd (barrel per day) of petroleum products. On the supply side, Pertamina’srefinery capacity of 1,050 thousand bpd produces only up to 750 thousand bpd of petroleumfuels or 68 % of domestic consumption.A study has been conducted on the refining development in Indonesia up to year 2030.According to a projection based on reference scenario, in year 2030 Indonesia will consume2.60 million bpd of petroleum fuels. If security of supply approach is taken intoconsideration, Indonesia will require 3 million bpd of total refinery capacity. New refineriesproducing additional 2 million bpd have to be constructed in order to fulfill domesticdemand for petroleum fuels. The additional new refineries would then be on-stream one byone with 300 thousand bpd of capacity starting from year 2015, and would be built nearconsumers’ area or close to the existing refineries.As the margin of new refinery is not high enough, appropriate strategies such as optimumconfiguration, synergy to utilize possible supporting resources should be taken intoconsideration, while Indonesian government should also offers better incentives in orderto make the project economically feasible.
Technology Challenges In Indonesia Oil And Gas Development Maizar Rahman; Suprajitno Munadi; Bambang Widarsono; Yusep K Caryana
Scientific Contributions Oil and Gas Vol 34 No 1 (2011)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.34.1.787

Abstract

This paper presents the challenges in oil and gas development in Indonesia, especially in technical aspects. In upstream, this country faces the fact that the production as well as the proven reserves of oil is continuing to decline. The challenges are therefore on how to find new resources, how to develop frontier area and how to produce more oil from the remaining oil in place in the existing fields. The oil deposit and traps are small, but also complexes. Very limited primary data makes it difficult to have a discovery. More accurate, intensive and comprehensive exploration data are therefore needed which, in turn, will need the use of the most sophisticated exploration technology. On the other hand it isrecommend that Government of Indonesia should generate primary exploration data prior to oil and gas prospecting. Regarding production, there is still hope to maintain the production level by exploiting further the remaining oil in place, the effort of which will need the use of advanced technology. The future of EOR application in Indonesia is bright and steps have been taken towards the objective. However, some important technical matters should still be overcome. In petroleum refining Indonesia faces increasing demand, the need of lighter products, more stringent fuels specifications, demand increase of petrochemical products, old and low complexity existing refineries and not sufficient margin for developing new refinery. The development of new refineries seems a must from the view of energy security. However, low margin should be overcome by appropriate strategy such as integration with petrochemical and employing more efficient technology. Some challenges that need to be considered in gas development in Indonesia include increasing gas demand,more gas reserve offshore, scattered gas consumers, limited infrastructure, not optimal domestic utilization and weak willingness to pay. Several technological approaches should be done to overcome those challenges.
Co-Authors Bambang Widarsono Ida Ayu Putu Sri Widnyani Suprajitno Munadi Widjoseno Kaslan Yusep K Caryana