Kumar, Alok and Hakimi, Mohammed Hail and Singh, Alok K. and Abdullah, Wan Hasiah and Abidin, Nor Syazwani Zainal and Rahim, Afikah and Mustapha, Khairul Azlan and Yelwa, Nura Abdulmumini (2022) Geochemical and petrological characterization of the early eocene carbonaceous shales: Implications for oil and gas exploration in the Barmer Basin, Northwest India. ACS Omega, 7 (47). pp. 42960-42974. ISSN 2470-1343, DOI https://doi.org/10.1021/acsomega.2c05148.
Full text not available from this repository.Abstract
Carbonaceous shales of the Early Eocene Dharvi/ Dunger Formation in the onshore Barmer Basin, northwest India were studied for the first time by integrating geochemical and organic petrological analyses. The carbonaceous shales of the Early Eocene Dharvi/Dunger Formation are characterized by a higher organic carbon content (TOC) of >10 wt % and consist mainly of a mixture of organic matter of types II and III kerogen, with exhibited hydrogen index values ranging between 202 and 292 mg HC/g TOC. The dominance of such kerogen is confirmed by the high amounts of huminite and fluorescent liptinite macerals. Consequently, the carbonaceous shales of the Early Eocene Dharvi/Dunger Formation are promising source rocks for both oil and gas generation potential, with oils of high wax contents, according to pyrolysis-gas chromatography results. The chemical and optical maturity results such as low values huminite/vitrinite reflectance, production index, and Tmax show that most of the examined carbonaceous shale rocks from the outcrop section of the Kapurdi mine have entered the low maturity stage of oil generation, exhibiting a range of immature to the very early-mature. Therefore, as highlighted in this study, the substantial abundance in hydrocarbon generation potential from these carbonaceous shales in the Dharvi/Dunger Formation may represent future conventional petroleum exploration in the southern part of the Barmer Basin, where the Dharvi/Dunger Formation has reached deeper burial depths.
| Item Type: | Article |
|---|---|
| Funders: | Postdoctorate fellowship scheme under the University of Malaya (Grant No: IF064-2019) |
| Uncontrolled Keywords: | Hydrocarbon generation; Organic-matter; Tertiary coals; Pyrolysis; Asphaltenes; Enrichment; Rajasthan; Sediments; Kerogens; Sulfur |
| Subjects: | Q Science > QE Geology |
| Divisions: | Faculty of Science > Department of Geology |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 23 Nov 2023 02:06 |
| Last Modified: | 23 Nov 2023 02:06 |
| URI: | http://eprints.um.edu.my/id/eprint/40343 |
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