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Sequence Stratigraphic Analysis of the Lower Cretaceous of South PakistanNormal access

Author: S. Mahmoud
Event name: 78th EAGE Conference and Exhibition 2016
Session: Depositional Systems
Publication date: 31 May 2016
DOI: 10.3997/2214-4609.201600612
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.35Mb )
Price: € 20

Summary:
Sedimentological, chronostratigraphic, and sequence stratigraphic interpretations were integrated in order to predict four types of systems tracts, which were used as the building blocks of each interpreted sequence, which, in turn, were used in prediction the chronostratigraphic framework and depositional history of the Lower Indus Basin within the Jati Block. The study highlighted the importance of forced regressive sands of the Falling Stage systems Tract, as high-quality reservoirs encased in shelf mudstones, forming favorable targets for hydrocarbons due to the effective lateral and vertical seals and the expected maturity of intra-formational source rocks. Several lines of evidence support the frequent presence of these forced regressive sands as indicated from seismic attributes, well log sedimentology and sequence stratigraphy, well to well correlation, and from the established sequence models.


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