Sequence stratigraphy of the Eocene turbidite reservoirs in Albacora field, Campos Basin, offshore Brazil Andre De Gasperi, 1 Octavian Catuneanu 2 1 Petrobras E P, 330, Republica do Chile Avenue, 9th Floor, 20031-170, Rio de Janeiro; Brazil; [email protected] Biostratigraphy 30 2.5.1. Lithostratigraphy 28 2.5. The rift supersequence is composed of continental sediments deposited under the direct influence of the basement's structural framework (Guardado et al ., 1989 ). Assessment Unit #1 encompasses the area characterized by Late Cretaceous-Tertiary turbidite reservoirs in structural and stratigraphic traps. Lukas 2, and Peter Schwans 1 Search and Discovery Article #20080 (2009) Posted October 15, 2009 3 – Evolution of the oil reserves from the Campos Basin (1974-2002). The Campos Basin stratigraphy was subdivided in tectonic systems tracts, which reflect its tectonostratigraphic evolution. The application of sequence-stratigraphic methodology allowed the subdivision of this stratigraphic section into third-order systems tracts. 21 2.2. 2007). The Campos Basin along the Brazilian South Atlantic margin is an example of such a basin. The rift initiation systems tract presents a well distributed tectonic. Tectonic and structural settings 22 2.3. The basal part (650m) are For the purposes of the oil and gas assessment, the Lagoa Feia Petroleum System in the Campos Basin was divided into three areas, or assessment units, based on predominant reservoir type and/or trap type. PS Application of Mechanical Stratigraphy to the Development of a Fracture-Enhanced Reservoir Model, Polvo Field, Campos Basin, Brazil* Michael Gross 2, T.C. The orange wells represent new wells where TOC and rock Eval data have been performed. The Campos basin encompasses a rather thick succession of volcanic and sedimentary rocks , up to 22.154 m of cumulative thickness(Fig.4, Winter et al. Carlos H. L. Bruhn, Roger G. Walker; High-resolution stratigraphy and sedimentary evolution of coarse-grained canyon-filling turbidites from the Upper Cretaceous transgressive megasequence, Campos Basin, … Stratigraphic column of Campos Basin showing the source rocks and main reservoirs intervals (modified from Rangel & Martins, 1998). CAMPOS BASIN OIL RESERVES 14 12 10 Billion STB 8 6 4 2 0 74 76 78 80 82 84 86 88 90 92 94 96 98 2000 2 YEAR PROVEN RESERVES TOTAL RESERVES Fig. The Douala/Kribi-Campo basin, known formerly as the Douala basin (s.l. Our study here deals with the seismic characterization of the stratigraphy of a lacustrine section from the Lagoa Feia Group (Winter et al., 2007) in the Campos Basin, which extends over an area of 100,000 km2. Location, economic importance, geographic limits area. Map of Campos Basin showing location of the wells (yellow) in which organic-rich rock samples were studied. Biochronostratigraphic Framework 30 2.6 Stratigraphic Framework of the Lagoa Feia Group, Campos Basin 31 2.6.1. As it con-tains a stratigraphic record from lithospheric extension and rift tectonics to a fully evolved post-break-up setting, the basin pro-vides an ideal area to study the evolution of a ‘passive’ conti-nental margin. 1.4 Stratigraphy of the Campos Basin The Campos Basin has three sedimentary supersequences named rift, transitional and drift (Winter et al ., 2007 ; Figure 2 ). Tectonic and stratigraphic evolution 24 2.4. Campos Basin 21 2.1.1.
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