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Journal : INDONESIAN JOURNAL OF APPLIED PHYSICS

 1 
Conversion of Oil Shale To Liquid Hydrocarbons as A New Energy Resources Using Iron (Fe)-Pillared Clay (Kaolinite) Catalyst Ordas Dewanto; Istifani Ferucha; Darsono Darsono; Sri Rizky
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 12, No 2 (2022): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v12i2.58414

Abstract

In the context of new energy exploration, oil shale is currently a source of energy that is being developed so that it can be used as an alternative energy in the future. Based on this background, it is important to research the conversion method of oil shale to liquid hydrocarbons. The method used is using clay (kaolinite) catalyst and  iron (Fe)-pillared clay (kaolinite) catalyst. Clay catalyst products are capable of making organic mature faster and even requiring a lower temperature for the changes (through thermal cracking of non-volatile organic material). The addition of Fe metal in the clay catalyst product to oil shale, causing the surface area of the natural clays were significantly increased, then the volume of micro pore were also increased, it causes the organic material to mature faster and the temperature required for the change is less than the shale material without Fe. The catalyst method by the pillarization technique able to increase the surface area and pore volume, thus accelerating the reaction and changing the reaction rate to be greater. It is observed that clay catalyst products can serve as catalysts for accelerating organic maturation reactions. if compared between the clay material  of OD1-Ast1 (50% clay-50% organic), OD1-Ast2 (33% clay-67% organic), and the OD1-Ast3 shale material (67% clay - 33% organic),then OD1-Ast3 has a faster reaction rate. Comparison of clay material is smaller than organic, then the properties of the catalyst product to accelerate the reaction are reduced, such as the OD1-Ast2 shale material has a slow reaction rate compared to the OD1-Ast3 shale material. The addition of Fe metal in the clay catalyst product to the OD1-Ast2 shale material, resulting in OD1-Ast2-Fe shale material (75% OD1-Ast2 and 25% Fe) having a faster reaction rate than before the addition of Fe metal.The design of heavy (%) clay (kaolinite) and Fe pilaration on oil shale were greatly influence the change of TOC values when heated,then affecting maturation and Tmax. The temperature of maturation and Tmax as the main parameters of conversion of oil shale to liquid hydrocarbon. This method supports the development of science and technology in the field of exploitation and processing of natural resources.
Identification of Shale Layer in Offshore Field of North East Java Basin for Non-Conventional Oil and Gas Exploration Ordas Dewanto; Nanda Paquita Syaharani; Darsono Darsono; Andy Setyo Wibowo
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 14, No 2 (2024): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v14i2.91056

Abstract

Non-conventional hydrocarbon exploration is one way to develop shale potential to increase oil and gas reserves in Indonesia. Shale is a rock that is rich in organic material and is a target for non-conventional exploration, because it functions as a source and reservoir rock with a large shale volume and low permeability. Isopach maps can represent the thickness of shale layers and have the potential to become non-conventional exploration targets located in thick shale layers. Based on this background, this research will identify shale layers in the offshore fields of the North East Java Basin for non-conventional oil and gas exploration. The methods used are well logging and seismic methods. This research focuses on determining the location of shale layer depocenters based on isopach maps as a first step in localizing areas that will be targeted for the development of non-conventional hydrocarbon exploration. This research uses 29 2D seismic lines and 2 well data, namely NP-1 and NP-2 wells and the research target is the Kujung Formation and Ngimbang Formation in the offshore area of the North East Java Basin. The results obtained from the isopach map show that the depocenter location of the Kujung Formation is in the northwest direction with a shale thickness of 600-800 meters, while the Ngimbang Formation is in the east direction with a shale thickness of 1000-1300 meters. From the depocenter location, it can be seen that this location has a wealth of organic material so it has the potential to become a source rock and reservoir.
Co-Authors A Raka Abriyansyah A Yuliantina Ade Yogi Akhmad Dzakwan, Akhmad Aldis Ramadhan Alghifarry, Muhammad Budzar Andika Widyasari Andy Setyo Wibowo Aryka Claudia Eka Putri Astri Niken Saputri Ayu Yuliani Bagus Sapto Mulyatno Bambang Irawan Bambang Irawan Bambang Soegijono Beny Chasandra Damayanti, Elok Dani, Ilham Darsono Darsono Darsono Darsono Egi Ramdhani Egi Ramdhani Erfani, Sandi Febrina Bunga Tarigan Hayu Nurfaidah Hesti Hesti Hidayatika, Akroma I Gede Boy Darmawan I Gede Boy Darmawan Ignatius Sonny Winardhie Ilham Dani Imam Setiadi Isti Nur Kumalasari Istifani Ferucha Istifani Ferucha Karyanto Karyanto, Karyanto Kumalasari, Isti Nur Muh Sarkowi Muhammad Sarkowi Muhammad Sarkowi Mulyatno, Bagus S Nanang Yulianto Nanda Hanyfa Maulida Nanda Paquita Syaharani Nandi Haerudin Ni Putu Juniari Noviari, Salsabila Paulus Leonardo Manurung Rafi Maulana Rafi Rilo Pambudi Rahmi Mulyasari RahmiMulyasari, Rahmi Restu Ningsih Rita Aprilia Riza Rahardiawan Ryan Donovan Sri Rizky Suci Ariska Suharso Suharso Suharso Suharso Suharso Suharso Syamsurijal Rasimeng Varenza Novita Yandi Wibisono, Ambrosius Hernawan Wibowo, Rahmat Catur WP Prihadita Yandi, Varenza Novita