Kim-Kiat Liaw
Petroleum Geoscience Dept., Petronas Technology University

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Coaly Petroleum Source Rocks in Malaysia - Is the Present the Key to the Past? Kim-Kiat Liaw
Berita Sedimentologi Vol 42, No 1 (2019)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5898.571 KB) | DOI: 10.51835/bsed.2019.42.1.73

Abstract

Malaysia’s three oil-producing regions are: (1) Malay Basin, (2) Sarawak Basin, (3) Sabah Basin. Though, basin evolutions differ somewhat, the petroleum systems remain broadly similar. Other than Central Luconia, which is distinctively a carbonate gas province, the other provinces are characterised by accumulations of oil and gas found within Neogene clastic reservoirs. HC charge was derived principally from a Type III coaly source rock (SR) e.g., (i) in-situ pure coal and/or impure shaly coal, (ii) transported coaly clasts/fragments in channel lag deposits, (iii) finely-dispersed detritus, and also, commonly as coaly laminae/bands, mostly in marine deposits.