2019
DOI: 10.12957/jse.2019.47326
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Unraveling Magmatic Activity in Sedimentary Basins: Sills and Related Brittle Structures Affecting Campos Basin Petroleum System (Se Brazil)

Abstract: Historically, volcanic basins have been avoided by oil and gas companies for hydrocarbon exploration, due to high rates of unsuccessful cases, mainly when magmatic suites were unexpected. Furthermore, igneous rocks have always been considered harmful to petroleum systems. However, in the past two decades, researches regarding these systems in volcanic basins have shown a number of positive effects, as increasing permeability of tight rocks, and generation of traps. This work aims to investigate the occurrence … Show more

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Cited by 3 publications
(2 citation statements)
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“…However, productivity declined, even though it stabilized, for some decades, in a production of approximately 2,000 BOPD (Guardado et al, 1990;Bruhn et al, 2003). The Brazilian fields case has two highlights: the first is that igneous rocks and their thermal influence have a secondary importance, as it happens in other countries, even though they are quite common in sedimentary basins (Thomaz Filho et al, 2008;Costa et al, 2016;Miranda et al, 2018;Penna et al, 2018;Cioccari & Mizusaki, 2019;Fornero et al, 2019;Correia et al, 2019;Avellar & Pereira, 2019); and second is about the complexity in offshore regions added to the presence of the pre-salt, especially in prospects of microbial carbonates and coquinas, as noted by De Luca et al (2015). In other words, better understanding the igneous rock can improve the characterization of reservoirs (sometimes in a complex geology site) as a whole, in the oil system in general, since its presence is recurrent in many prospects.…”
Section: Fractured Andesitesmentioning
confidence: 99%
“…However, productivity declined, even though it stabilized, for some decades, in a production of approximately 2,000 BOPD (Guardado et al, 1990;Bruhn et al, 2003). The Brazilian fields case has two highlights: the first is that igneous rocks and their thermal influence have a secondary importance, as it happens in other countries, even though they are quite common in sedimentary basins (Thomaz Filho et al, 2008;Costa et al, 2016;Miranda et al, 2018;Penna et al, 2018;Cioccari & Mizusaki, 2019;Fornero et al, 2019;Correia et al, 2019;Avellar & Pereira, 2019); and second is about the complexity in offshore regions added to the presence of the pre-salt, especially in prospects of microbial carbonates and coquinas, as noted by De Luca et al (2015). In other words, better understanding the igneous rock can improve the characterization of reservoirs (sometimes in a complex geology site) as a whole, in the oil system in general, since its presence is recurrent in many prospects.…”
Section: Fractured Andesitesmentioning
confidence: 99%
“…Quanto a ocorrência de eventos magmáticos em bacias sedimentares, são bastante comuns ao longo da origem e evolução de margens divergentes continentais (Avellar e Pereira, 2019;Thomas Filho et al, 2008). A importância do mapeamento de feições magmáticas e sua distribuição na margem continental tem o objetivo de melhorar a classificação de bacias pobres ou ricas em magma, e um melhor entendimento de seu desenvolvimento geodinâmico e tectono-estratigráfico.…”
Section: Introductionunclassified