Structural model of the Balkassar area, Potwar Plateau, Pakistan

Iqbal, Shahid; Akhter, Gulraiz; Bibi, Sehrish

doi:10.1007/s00531-015-1180-4

Cited by 15 publications

(15 citation statements)

References 52 publications

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“…The Salt Range, with its Trans Indus extension, is a nearly east-west trending mountain range located in Pakistan (Figure 1). The SRS preserves thick Precambrian to recent sedimentary record e.g., [36,37,40,[46][47][48]. According to the literature, the SRS displays considerable similarity to the THS e.g., [16,19,23].…”

Section: Geological Setting and Palaeogeographymentioning

confidence: 88%

Multi-Proxy Provenance Analyses of the Kingriali and Datta Formations (Triassic–Jurassic Transition): Evidence for Westward Extension of the Neo-Tethys Passive Margin from the Salt Range (Pakistan)

et al. 2021

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The Salt Range, in Pakistan, preserves an insightful sedimentary record of passive margin dynamics along the NW margin of the Indian Plate during the Mesozoic. This study develops provenance analyses of the Upper Triassic (Kingriali Formation) to Lower Jurassic (Datta Formation) siliciclastics from the Salt and Trans Indus ranges based on outcrop analysis, petrography, bulk sediment elemental geochemistry, and heavy-mineral data. The sandstones are texturally and compositionally mature quartz arenites and the conglomerates are quartz rich oligomictic conglomerates. Geochemical proxies support sediment derivation from acidic sources and deposition under a passive margin setting. The transparent heavy mineral suite consists of zircon, tourmaline, and rutile (ZTR) with minor staurolite in the Triassic strata that diminishes in the Jurassic strata. Together, these data indicate that the sediments were supplied by erosion of the older siliciclastics of the eastern Salt Range and adjoining areas of the Indian Plate. The proportion of recycled component exceeds the previous literature estimates for direct sediment derivation from the Indian Shield. A possible increase in detritus supply from the Salt Range itself indicates notably different conditions of sediment generation, during the Triassic–Jurassic transition. The present results suggest that, during the Triassic–Jurassic transition in the Salt Range, direct sediment supply from the Indian Shield was probably reduced and the Triassic and older siliciclastics were exhumed on an elevated passive margin and reworked by a locally established fluvio-deltaic system. The sediment transport had a north-northwestward trend parallel to the northwestern Tethyan margin of the Indian Plate and normal to its opening axis. During the Late Triassic, hot and arid hot-house palaeoclimate prevailed in the area that gave way to a hot and humid greenhouse palaeoclimate across the Triassic–Jurassic Boundary. Sedimentological similarity between the Salt Range succession and the Neo-Tethyan succession exposed to the east on the northern Indian passive Neo-Tethyan margin suggests a possible westward extension of this margin.

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Section: Geological Setting and Palaeogeographymentioning

confidence: 88%

Multi-Proxy Provenance Analyses of the Kingriali and Datta Formations (Triassic–Jurassic Transition): Evidence for Westward Extension of the Neo-Tethys Passive Margin from the Salt Range (Pakistan)

et al. 2021

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“…Balkassar oilfield is very important as it is host to proven hydrocarbon reserves (Kadri, 1995), however there is lack of information available regarding petrophysical data. As according to Kadri (1995), Ahsan et al (2013) and Iqbal et al, (2015) the Balkassar has the potential to produce hydrocarbons. According to Aadil et al (2014) and Khalid et al (2015) the key to success for exploration of hydrocarbon is petrophysical analysis.…”

Section: Introductionmentioning

confidence: 90%

Petrophysical properties and hydrocarbon potentiality of Balkassar well 7 in Balkassar oilfield, Potwar Plateau, Pakistan

Shah¹,

Abdullah²

2016

BGSM

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The Balkassar Oilfield is located in the eastern Potwar sub-basin, and lies on the Soan Syncline southern flank of the Himalayan collisional regime. In this study, petrophysical properties of reservoir rock of the Chorgali Formation of Eocene age encountered in well 7 of the Balkassar Oilfield were evaluated for reservoir rock potentiality. A set of wireline logs containing neutron, density, gamma ray, spontaneous potential and resistivity logs of well 7 from Balkassar Oilfield were interpreted carefully to estimate porosity, water saturation and hydrocarbon saturation. The method used for this petrophysical analysis is spontaneous potential logs in calculating water resistivity followed by Archie's equation to convert water resistivity to water saturation. Based on the petrophysical analysis performed on the Balkassar well 7, the results show that about 21.1% average porosity, 33.5% water saturation and 66.5% hydrocarbons saturation were obtained for the Chorgali Formation. Thus, this indicates that Chorgali Formation has an average to good reservoir potential.

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“…Moreover, calcareous claystone of the Nammal Formation making the beginning of the Lower Eocene, followed by massive bedded limestone of Sakesar Formation which is overlain by dolomitic limestone and calcareous claystone/shale of the Chor Gali Formation [35][36][37][38][39]. Continental collision in the Middle Eocene resulted in the end of marine deposition [2,12,13,21] and led to the deposition of the Rawalpindi and the Siwalik Groups, dominantly composed of stream channel sandstones, flood plain mudstones and shale [2,[40][41][42]. Furthermore, Pliocene to Middle Pleistocene sediments are extremely deformed by Himalayan Orogeny [2,3,41].…”

Section: Geological Settingmentioning

confidence: 99%

“…Various researchers presented a number of geological in addition to geophysical tools principally seismic reflection schemes for petroleum appraisal [11,12], which is noteworthy and crucial in tracing surface geological structures in the subsurface and establishing consistent as well as vigorous correlations. An accurate portrayal of the subsurface geological perspectives and structures is critical for hydrocarbon exploration that provides an insight regarding construction and structural set up of a basin [2,13]. The main detection of oil was productively made in Potwar Basin in 1915 [14].…”

Section: Introductionmentioning

confidence: 99%

2D Seismic Interpretation of the Meyal Area, Northern Potwar Deform Zone, Potwar Basin, Pakistan

et al. 2019

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Meyal Field is considered as one of the chief hydrocarbon producing fields in the Potwar Basin, Pakistan. The present research emphasize on the subsurface structures affecting the Mesozoic-Cenozoic successions exclusively foremost reservoir units comprising the Eocene Chor Gali and Sakesar formations. Data from six seismic lines and three wells (aligned with those lines) have been deliberated comprehensively with remarkable and tremendous calibration. Five prominent and imperative reflectors specifically the Permian, Triassic, Jurassic, Paleocene and Eocene successions were interpreted through seismic tactics. Time structure maps were equipped on the basis of two-way travel time (TWT) of the seismic line. Likewise, four isopach maps portrayed the thickness discrepancy of prospective hydrocarbon strata. Structurally, analytical section reveals that the Meyal anticline is a plunging and faulted anticline. The pop-up structure is constrained by back-thrust from the north and fore-thrust from the south, on the dip lines. These maps depicted potential reservoir, demarcate promising site for future hydrocarbon exploration.

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Structural model of the Balkassar area, Potwar Plateau, Pakistan

Cited by 15 publications

References 52 publications

Multi-Proxy Provenance Analyses of the Kingriali and Datta Formations (Triassic–Jurassic Transition): Evidence for Westward Extension of the Neo-Tethys Passive Margin from the Salt Range (Pakistan)

Multi-Proxy Provenance Analyses of the Kingriali and Datta Formations (Triassic–Jurassic Transition): Evidence for Westward Extension of the Neo-Tethys Passive Margin from the Salt Range (Pakistan)

Petrophysical properties and hydrocarbon potentiality of Balkassar well 7 in Balkassar oilfield, Potwar Plateau, Pakistan

2D Seismic Interpretation of the Meyal Area, Northern Potwar Deform Zone, Potwar Basin, Pakistan

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