Evaluasi Potensi Batubara Untuk Underground Coal Gasification Pada Lubang Bor JWT-02, Daerah Ampah, Kabupaten Barito Timur, Provinsi Kalimantan Tengah

Dwitama, Eska Putra; Ramdhani, Muhammad Rizki; Firmansyah, Fajar; Purnomo, Wawang Sri

doi:10.47599/bsdg.v12i3.50

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“…Recently, The Research and Development Centre for Mineral and Coal Technology (tekMIRA) developes a pilot project of Underground Coal Gasification (UCG) in Indonesia. There are some specific requirements to utilized deep-seated coal as UCG or CBM, such as thickness, rank, ash, moisture content, depth of coal layer target, geological structure and overburden properties (Dwitama et al, 2017;Purnama and Huda, 2019). All utilizations need a technology that can estimate and delineate the depth and the thickness of the deepseated coal layer target.…”

Section: Introductionmentioning

confidence: 99%

Shallow seismic reflection survey for imaging deep-seated coal layer - Case study from Muara Enim coal

Ramdhani

Ibrahim

Siregar

et al. 2021

IMJ

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Indonesia has a great potential for deep-seated coal resources. To assist and support the deep-seated coal exploration, a shallow seismic reflection method is applicable for this purpose. This study has conducted a shallow seismic reflection method in Musi Banyuasin Regency, South Sumatera Province. The Muara Enim coal target varies from 100 to 500 meters from the surface. The thickness of the coal layer varies from 2 to 10.65 meters. This study uses 48 channels with 14 Hz single geophone and MiniSosie as the energy source. The receiver and source interval is 15 meters. This study uses a fixed receiver and moving source configuration. From the interpreted seismic section, this study identified a deep-seated coal layer target. These layers are Mangus, Burung, Benuang, Kebon and Benakat layers. A simple interpretation is analyzed by combining the seismic amplitude characteristics and the thickness of the coal layer from the borehole data. From the interpreted seismic section, deep-seated coal layer targets have strong amplitude characteristics and are continuous from southwest to the northeast with a down-dip of around 20-30°. This study helps to inform the operator companies who develop the utilization of deep-seated coal (coalbed methane, underground coal gasification and underground coal mining) about the effective and proper geophysical method for imaging deep-seated coal layer.

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Section: Introductionmentioning

confidence: 99%