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Coal Petrology and Geochemistry of Upper Coal Zones and Lower Coal Zones of Nyalau Formation from Merit-Pila Coalfield

bin Md. Nor, Mohamad Hanif (2016) Coal Petrology and Geochemistry of Upper Coal Zones and Lower Coal Zones of Nyalau Formation from Merit-Pila Coalfield. Universiti Teknologi PETRONAS. (Submitted)

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Abstract

Tertiary coal from Merit-Pila coalfield, Central Sarawak, Malaysia were analysed their regional ranks and petroleum generative potential. Total organic carbon contents (TOC) of coals range from 18.1 to 71.4 wt. % and S2 values coal are range from 0.57 to 5.48 these shows that this coal really have high potential to be a source rock potential. The hydrogen index value ranging from 166 to 1069 mg HC/g, this indicate that these coal are dominated by type III kerogen and are thus considered to be generated mainly gas-prone and limited oil-prone. This is supported by the presence of significant amount (35-65% by volume) of gas prone vitrinite maceral. Vitrinite is among the most common of gas-prone macerals in coal. The Thermal Alteration index (TAI) also shows that these coal are an immature coal and only can produced mainly gas and a limited amount of oil. This is supported by the Tmax values ranges from 348 to 423 °C which shows that these coal are immature. Although these coal from Merit-Pila coalfield have a high potential to be source rock potential but the hydrogen index value shows that it only can generated mainly gas and limited oil and supported by the vitrinite maceral is dominated in the coal. The coal also immature to generate oil from the thermal alteration index supported by the Tmax value.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petrophysics - Petrophysical data acquisition
Subject: G Geography. Anthropology. Recreation > G Geography (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 22 Nov 2018 14:39
Last Modified: 22 Nov 2018 14:39
URI: http://utpedia.utp.edu.my/id/eprint/18156

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