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<p>The northern Western Desert of Egypt, Gindi Basin, represents a good example of the interplay between tectonic inversion, stratigraphic heterogeneity, and reservoir heterogeneity in controlling hydrocarbon prospectivity in a tectonically complicated setting. Late Cretaceous compression rejuvenated underlying rift-related pre-existing faults, developing NE-SW trending anticlines bounded by reverse faults that make effective structural closures. Reservoir characterization in the Gindi Basin reveals that both clastic and carbonate intervals represent viable and complementary exploration targets within an inversion-controlled petroleum system. The Albian Kharita and Lower Bahariya sandstones display consistently favorable petrophysical properties including moderate to good porosity, adequate permeability, and relatively low water saturation supporting their potential for effective hydrocarbon storage and production. Meanwhile, the fractured limestones of the Abu Roash D Member constitute a potentially underexploited carbonate reservoir, where productivity is largely controlled by fracture networks, necessitating specialized petrophysical evaluation methods for accurate assessment. From a source rock perspective, geochemical analyses indicate that Abu Roash Members A, C, D, and F contain good to excellent total organic carbon (TOC) contents, confirming their significant role in hydrocarbon generation and charge within the basin. Additionally, recent advancements in seismic data processing have notably improved the imaging of inversion-related structures, particularly fault-bounded anticlines, thereby increasing the precision of structural interpretation and reducing exploration risk. Taken together, these findings establish the Gindi Basin not only as a major petroleum province but also as a natural laboratory for studying inversion-controlled petroleum systems in the Western Desert. This Perspective aims to integrate existing structural, petrophysical, geochemical, and seismic data from the basin to elucidate how tectonic inversion shapes hydrocarbon potential specifically regarding trap formation, reservoir heterogeneity, source rock input, and future exploration strategies.</p>

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A geological perspective on tectonic inversion and hydrocarbon prospectivity in the Gindi Basin

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月9日

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  • Mohammad Abdelfattah Sarhan

摘要

The northern Western Desert of Egypt, Gindi Basin, represents a good example of the interplay between tectonic inversion, stratigraphic heterogeneity, and reservoir heterogeneity in controlling hydrocarbon prospectivity in a tectonically complicated setting. Late Cretaceous compression rejuvenated underlying rift-related pre-existing faults, developing NE-SW trending anticlines bounded by reverse faults that make effective structural closures. Reservoir characterization in the Gindi Basin reveals that both clastic and carbonate intervals represent viable and complementary exploration targets within an inversion-controlled petroleum system. The Albian Kharita and Lower Bahariya sandstones display consistently favorable petrophysical properties including moderate to good porosity, adequate permeability, and relatively low water saturation supporting their potential for effective hydrocarbon storage and production. Meanwhile, the fractured limestones of the Abu Roash D Member constitute a potentially underexploited carbonate reservoir, where productivity is largely controlled by fracture networks, necessitating specialized petrophysical evaluation methods for accurate assessment. From a source rock perspective, geochemical analyses indicate that Abu Roash Members A, C, D, and F contain good to excellent total organic carbon (TOC) contents, confirming their significant role in hydrocarbon generation and charge within the basin. Additionally, recent advancements in seismic data processing have notably improved the imaging of inversion-related structures, particularly fault-bounded anticlines, thereby increasing the precision of structural interpretation and reducing exploration risk. Taken together, these findings establish the Gindi Basin not only as a major petroleum province but also as a natural laboratory for studying inversion-controlled petroleum systems in the Western Desert. This Perspective aims to integrate existing structural, petrophysical, geochemical, and seismic data from the basin to elucidate how tectonic inversion shapes hydrocarbon potential specifically regarding trap formation, reservoir heterogeneity, source rock input, and future exploration strategies.