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1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan

This study presents geochemical, petrophysical and seismic interpretation and modeling data of source and reservoir rocks of Eocene and Paleocene sequences of Balkassar oilfield, Potwar Basin, Pakistan. Integrated approaches were applied to evaluate structure and various rocks i.e., Patala, Lockhart...

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Main Authors: Shah, Syed Bilawal Ali, Shah, Syed Haider Ali, Nath, Manabendra
Format: Article
Published: Taylor & Francis 2024
Subjects:
QE Geology
Online Access:http://eprints.um.edu.my/47179/
https://doi.org/10.1080/10916466.2023.2175866
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spelling my.um.eprints.471792024-12-31T02:22:40Z http://eprints.um.edu.my/47179/ 1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan Shah, Syed Bilawal Ali Shah, Syed Haider Ali Nath, Manabendra QE Geology This study presents geochemical, petrophysical and seismic interpretation and modeling data of source and reservoir rocks of Eocene and Paleocene sequences of Balkassar oilfield, Potwar Basin, Pakistan. Integrated approaches were applied to evaluate structure and various rocks i.e., Patala, Lockhart and Chorgali formations. Grid of eleven seismic lines, well logs, well tops and ten fresh rock cutting samples were used. TOC content of Patala Formation ranges between 0.25 - 1.16 wt. %, with S2 values 0.11-0.63 mg HC/g rock, thus indicating poor to fair hydrocarbon potentialwhich issupported by no distinct presence of hydrocarbon peaks in pyrolysis-GC pyrograms. Petrographic analysis showed dominant presence of vitrinitic Type III and inertinitic Type IV kerogen phytoclasts with minor amount of AOM. High abundance of reworked vitrinite and inertinite phytoclasts appear to have influenced the vitrinite reflectance data. Basin modeling predicts Lockhart Formation began oil generation at 10.30Ma age at depth 1557 m and reached peak generation at 8.43Ma age at depth 1802 m. Patala formation began oil generation at 10.56Ma age at depth 1472 m and reached its peak generation at 8.43Ma age at depth of 1768 m. 3D horizon mapping depicts that Chorgali formation is uniformly distributed and faulted from northwest corner. Taylor & Francis 2024-10 Article PeerReviewed Shah, Syed Bilawal Ali and Shah, Syed Haider Ali and Nath, Manabendra (2024) 1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan. Petroleum Science and Technology, 42 (20). pp. 2843-2867. ISSN 1091-6466, DOI https://doi.org/10.1080/10916466.2023.2175866 <https://doi.org/10.1080/10916466.2023.2175866>. https://doi.org/10.1080/10916466.2023.2175866 10.1080/10916466.2023.2175866
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QE Geology
spellingShingle QE Geology
Shah, Syed Bilawal Ali
Shah, Syed Haider Ali
Nath, Manabendra
1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan
description This study presents geochemical, petrophysical and seismic interpretation and modeling data of source and reservoir rocks of Eocene and Paleocene sequences of Balkassar oilfield, Potwar Basin, Pakistan. Integrated approaches were applied to evaluate structure and various rocks i.e., Patala, Lockhart and Chorgali formations. Grid of eleven seismic lines, well logs, well tops and ten fresh rock cutting samples were used. TOC content of Patala Formation ranges between 0.25 - 1.16 wt. %, with S2 values 0.11-0.63 mg HC/g rock, thus indicating poor to fair hydrocarbon potentialwhich issupported by no distinct presence of hydrocarbon peaks in pyrolysis-GC pyrograms. Petrographic analysis showed dominant presence of vitrinitic Type III and inertinitic Type IV kerogen phytoclasts with minor amount of AOM. High abundance of reworked vitrinite and inertinite phytoclasts appear to have influenced the vitrinite reflectance data. Basin modeling predicts Lockhart Formation began oil generation at 10.30Ma age at depth 1557 m and reached peak generation at 8.43Ma age at depth 1802 m. Patala formation began oil generation at 10.56Ma age at depth 1472 m and reached its peak generation at 8.43Ma age at depth of 1768 m. 3D horizon mapping depicts that Chorgali formation is uniformly distributed and faulted from northwest corner.
format Article
author Shah, Syed Bilawal Ali
Shah, Syed Haider Ali
Nath, Manabendra
author_facet Shah, Syed Bilawal Ali
Shah, Syed Haider Ali
Nath, Manabendra
author_sort Shah, Syed Bilawal Ali
title 1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan
title_short 1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan
title_full 1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan
title_fullStr 1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan
title_full_unstemmed 1-D basin modeling, 3-D reservoir mapping and source rock generative potential of Balkassar oilfield, Potwar basin, Pakistan
title_sort 1-d basin modeling, 3-d reservoir mapping and source rock generative potential of balkassar oilfield, potwar basin, pakistan
publisher Taylor & Francis
publishDate 2024
url http://eprints.um.edu.my/47179/
https://doi.org/10.1080/10916466.2023.2175866
_version_ 1821001888130138112
score 13.226694

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