Caracterização tectono-estratigráfica integrada de reservatórios do pós-sal na porção sudoeste da Bacia de Campos

• Autor(a) principal: Habermann, Leonardo [UNESP]
• Data de Publicação: 2016
• Tipo de documento: Trabalho de conclusão de curso
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://hdl.handle.net/11449/155469; http://www.athena.biblioteca.unesp.br/exlibris/bd/capelo/2017-06-05/000884359.pdf
• topic: Geologia estratigráfica; Carbonatos; Turbidito; Trapas estratigráficos (Geologia do petróleo); Campos, Bacia de (RJ)

The subject of the present work consists in the tectonic-stratigraphic evaluation of eight oil fields located in the southwestern portion of the Campos Basin, where the first offshore production wells were drilled in Brazil. Until 1981, the oil fields of Enchova, Linguado and Pampo, located in the study area of this work, already constituted commercial oil fields in Brazilian waters, revealing the importance of this region to the national exploratory context. The recent fall in production of important reservoirs in the basin, like the turbidites of the Paleogene, makes of paramount importance studies of regional character, wich allow the ample understanding of the mechanisms acting in the generation of the hydrocarbon accumulations present in the region. In this context, the present study aims at the integrated tectono-stratigraphic characterization of the main reservoirs in the Albian-Eocene range, by means of the analysis and correlation of 34 well profiles, in addition to the interpretation of 62 2D seismic lines and two 3D seismic volumes, which totalize an area of 140 km². The elaborated stratigraphic sections allowed to characterize the sedimentation of the post-rifte and drift phases in the studied area, allowing the identification of the main local production intervals: calcarenitic rocks in the upper portion of the Quissamã Formation and Cretaceous and Eocene turbidites of the Carapebus Formation, these last sudvided into two specific levels (EO-01 and EO-02). The seismic data interpreted, in association with structural and isopach maps, were used for the characterization of the structural and stratigraphic mechanisms acting in the formation of the petroleum accumulations described. It was observed the predominance of structural traps in the carbonates of Pampo, Linguado and Bicudo fields, while in Enchova ... (Complete abstract electronic access below)