Staff View: Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques

Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques

An investigation of the hydrocarbon source and reservoir rock potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, was conducted using geochemical and petrophysical techniques. The petrophysical properties of reservoir rock in the Sakesar Formation...

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Main Author:	Shah, Syed Bilawal Ali
Format:	Article
Published:	Springer 2023
Subjects:	GE Environmental Sciences
Online Access:	http://eprints.um.edu.my/38736/
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spelling	my.um.eprints.387362024-11-19T02:01:08Z http://eprints.um.edu.my/38736/ Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques Shah, Syed Bilawal Ali GE Environmental Sciences An investigation of the hydrocarbon source and reservoir rock potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, was conducted using geochemical and petrophysical techniques. The petrophysical properties of reservoir rock in the Sakesar Formation were evaluated using a set of wireline logs and interpreted carefully to estimate water saturation, porosity, and hydrocarbon saturation. The source rock potential of two formations, the Lumshiwal (Cretaceous) and Kingriali (Late Triassic) formations, was evaluated using geochemical techniques on twenty nine 29 fresh well cutting samples. The Lumshiwal Formation samples showed poor to fair TOC contents, ranging from 0.28 to 1.6wt%; however, the Kingriali Formation had poor to good TOC contents ranging from 0.27 to 0.88wt%. The S2 values of both formations' samples, ranging from 0.01 to 1.63 mg HC/g rock, showed poor generative potential. Additionally, the HI values were generally low, ranging between 5 and 263 mg HC/g TOC, and the Tmax values ranged from 431 to 443 degrees C. Both formation samples lie in the immature to early maturity window zone, as indicated by both S2 vs TOC and HI vs Tmax plots. The samples have primarily Type III kerogen with poor generative potential, as indicated by the S2 vs TOC plot, HI vs Tmax plot, S1 vs TOC plot, and PI. The results show that some light gas may have been produced. Petrophysical analysis of the Sakesar Formation showed higher levels of porosity at depths between similar to 4163 and 4197ft; the lithology was identified as limestone, the average porosity was similar to 11.2%, the average water saturation was 32.58%, and average hydrocarbon saturation was 67.42%, thus indicating that the Sakesar Formation has average to good reservoir potential. Springer 2023-02 Article PeerReviewed Shah, Syed Bilawal Ali (2023) Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques. Carbonates and Evaporites, 38 (1). ISSN 0891-2556, DOI https://doi.org/10.1007/s13146-022-00842-w <https://doi.org/10.1007/s13146-022-00842-w>. 10.1007/s13146-022-00842-w
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	GE Environmental Sciences
spellingShingle	GE Environmental Sciences Shah, Syed Bilawal Ali Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques
description	An investigation of the hydrocarbon source and reservoir rock potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, was conducted using geochemical and petrophysical techniques. The petrophysical properties of reservoir rock in the Sakesar Formation were evaluated using a set of wireline logs and interpreted carefully to estimate water saturation, porosity, and hydrocarbon saturation. The source rock potential of two formations, the Lumshiwal (Cretaceous) and Kingriali (Late Triassic) formations, was evaluated using geochemical techniques on twenty nine 29 fresh well cutting samples. The Lumshiwal Formation samples showed poor to fair TOC contents, ranging from 0.28 to 1.6wt%; however, the Kingriali Formation had poor to good TOC contents ranging from 0.27 to 0.88wt%. The S2 values of both formations' samples, ranging from 0.01 to 1.63 mg HC/g rock, showed poor generative potential. Additionally, the HI values were generally low, ranging between 5 and 263 mg HC/g TOC, and the Tmax values ranged from 431 to 443 degrees C. Both formation samples lie in the immature to early maturity window zone, as indicated by both S2 vs TOC and HI vs Tmax plots. The samples have primarily Type III kerogen with poor generative potential, as indicated by the S2 vs TOC plot, HI vs Tmax plot, S1 vs TOC plot, and PI. The results show that some light gas may have been produced. Petrophysical analysis of the Sakesar Formation showed higher levels of porosity at depths between similar to 4163 and 4197ft; the lithology was identified as limestone, the average porosity was similar to 11.2%, the average water saturation was 32.58%, and average hydrocarbon saturation was 67.42%, thus indicating that the Sakesar Formation has average to good reservoir potential.
format	Article
author	Shah, Syed Bilawal Ali
author_facet	Shah, Syed Bilawal Ali
author_sort	Shah, Syed Bilawal Ali
title	Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques
title_short	Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques
title_full	Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques
title_fullStr	Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques
title_full_unstemmed	Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques
title_sort	investigation of the hydrocarbon generative potential of eocene, cretaceous, and late triassic age sequences in the punjab platform basin, pakistan, using geochemical and petrophysical techniques
publisher	Springer
publishDate	2023
url	http://eprints.um.edu.my/38736/
_version_	1817841937235836928
score	13.223943

Investigation of the hydrocarbon generative potential of Eocene, Cretaceous, and Late Triassic age sequences in the Punjab Platform Basin, Pakistan, using geochemical and petrophysical techniques

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