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Research Paper | Geology | Indonesia | Volume 8 Issue 8, August 2019 | Popularity: 6.2 / 10

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Mineralogy and Rock-Eval Characteristic of Mesozoic Shale from Pedawan Formation: Implication for Shale Hydrocarbon Potential Oleh

M.H. Hermiyanto Zajuli dan M. Fajar Shodiq

Abstract: Singkawang basin is Mesozoic basins are expected to have hydrocarbon potential of conventional and non-conventional located in West Kalimantan. This study discusses the characteristics of mineralogy and organic geochemistry of fine grained sedimentary rock of Pedawan Formation in Singkawang Basin related to non-conventional hydrocarbons. Based on XRD analysis, fine grained sedimentary rock of Pedawan Formation delicate brittle mineral content between 41-83 %, clay minerals 19-49 % and carbonate minerals from 1.2 to 11.6 %. While the analysis of TOC, REP, and Brittleness Index (BI) showed fine grained sedimentary rock of Pedawan Formation have TOC values between 0.27 to 2.29, Hydrogen Index (HI) 50 % were classified as good brittle categories for shale gas. Based on the clay minerals mostlyof the finegrained sedimentary rocks of Pedawan Formation having qualify as non-conventional hydrocarbons. Pedawan Formations shale has potential as a non-conventional hydrocarbon.

Keywords: TOC, West Kalimantan, shale, Mesozoic

Edition: Volume 8 Issue 8, August 2019

Pages: 726 - 731

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