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All Journal Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources)
Moh. Heri Hermiyanto Zajuli
(Sedimentologi dan Geokimia Organik) Pusat Survei Geologi, Bandung, Indonesia.
Chemistry Earth & Planetary Sciences Energy

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Geokimia Organik Serpih Hidrokarbon Berumur Eosen di Daerah Sumatera Bagian Tengah Moh. Heri Hermiyanto Zajuli; Riecca Oktavitania; Ollybinar Rizkika
Jurnal Geologi dan Sumberdaya Mineral Vol. 21 No. 1 (2020): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v21i1.499

Abstract

This study focused on the region of Central Sumatra that geologically into the Central and South Sumatra Basin. The subjects were from the Eocene shale in the areas such as the Kasiro, Sinamar, and Kelesa Formation. Shale of Central Sumatra Basin tend to have different characteristics with shale of South Sumatra Basin. Maceral content of vitrinite and liptinit on shale in South Sumatra Basin larger than Central Sumatra Basin shale. Oxic-anoxic conditions affecting to the abundance maceral-maceral in both basins. Shale of the  Kasiro Formation have a tend to indicate kerogen type I, and II, while shale of the Sinamar and Kelesa Formation included into kerogen type I, II and III. Shale from the three formation have the potential as an oil and gas with different characteristics. Shale of the Kasiro Formation shale has the potential source rock which can produce more oil than gas. Meanwhile shale of the Sinamar Formation  tend to be potentially as the source rock either oil or gas, oil shale and shale gas, but more potential as oil shale.  Key word : Liptinite, Vitrinite, Eocene, Central Sumatera Basin, South Sumatera Basin
Karakteristik Geokimia Organik dan Indeks Kegetasan Serpih Berumur Eosen-Oligosen di Sub Cekungan Jambi, Cekungan Sumatera Selatan Moh. Heri Hermiyanto Zajuli; Indra Nurdiana; Taufik Ramli
Jurnal Geologi dan Sumberdaya Mineral Vol. 24 No. 1 (2023): JURNAL GEOLOGI DAN SUMBERDAYA MINERAL
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v24i1.725

Abstract

Daerah penyelidikan terletak di Sub Cekungan Jambi, Cekungan Sumatra Selatan. Secara administrasi termasuk Kabupaten Tebo dan Sarolangun. Studi ini difokuskan pada karakteristik geokimia organik dan indeks kegetasan (BI) dari serpih Formasi yang berumur Eosen-Oligosen. Metodologi yang digunakan adalah hasil analisis laboratorium TOC, XRD dan petrofisika dari data log dan seismik. Berdasarkan data tersebut maka serpih yang terdapat di daerah penyelidikan mempunyai kecenderungan berpotensi sebagai sumberdaya migas nonkonvensional dengan kategori bagus. Dari hasil perhitungan volume sweetspot serpih ini diketahui volume SS_01 adalah 1.17 x 1012 ft2 dengan luas area 8.9 x 108 ft2 dan volume SS_02 adalah 5.01 x 1011 ft2 dengan luas area 4.21 x 108 ft2 .Kata kunci : Geokimia Organik, TOC, Indeks Kegetasan, Cekungan Sumatra Selatan, Eosen-Oligosen.
Co-Authors Indra Nurdiana Ollybinar Rizkika Riecca Oktavitania Taufik Ramli