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Offered Blocks

Published: Friday, 10 November 2017 10:48 | Last Updated: Thursday, 07 December 2017 09:41 | Hits: 1198

Brasil Round 5 offers a total of aproximately 162,392 Km², for exploration, development and production of oil and gas. These areas are located in 9 sedimentary basins.


Note:Some blocks in Potiguar and Espírito Santo basins were excluded.

View details.

Brasil-Round 5 Map
Overview of the Sectors

 

Coordinates

 

Text: Sectors_R5
Shapefile: Sectors_R5

 

Foz do Amazonas Basin

Two sectors in shallow water (156 blocks) are being offered in Foz do Amazon Basin, with a total area of 29,936.93 km². This basin is situated at the western portion of the Brazilian equatorial margin, alongside the coast of the Amapá and Pará States. It occupies an area of approximately 261,170 km², including the continental platform, slope and deepwater region, to the boundary between continental and oceanic crust. The basin was the target for a recent 2D spec seismic survey. 93 exploration wells have been drilled in the basin, 60 by Petrobras and 33 by companies within risk contracts. This exploration effort resulted in the discovery of two sub-commercial gas accumulations: Pirapema and the area of well APS-51A.

Foz do Amazonas Basin

 

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Shapefile:

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Areas:

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Geology:

Stratigrafic Charts

Geological Section

 

Barreirinhas Basin

One sector is being offered in Barreirinhas Basin, with 62 blocks, totaling 11,917.01 km². This basin is located on the Brazilian equatorial margin, covering part of the State of Maranhão's coast and the adjacent platform. It is limited to the northwest by the Ilha da Santana Platform, to the east by the Tutóia High and to the south by the Sobradinho Platform. It has an area of approximately 50,000 km², of which 10,000 km² corresponds to the onshore portion. The basin was the target of a recent 2D spec survey. 105 exploration wells have been drilled in the basin, and only 9 of them are located on the continental platform. This exploration effort resulted up to now in the sub-commercial discoveries of São João (oil and gas), Oeste de Canoas (gas) and Espigão (gas), situated in the onshore portion of the basin.

Barreirinhas Basin

 

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Shapefile:

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Areas:

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Geology:

Stratigrafic Charts

Geological Section

 

Potiguar Basin

Four sectors are being offered in Potiguar Basin (all onshore), with 153 blocks, totaling 5,182.63 km². This basin is situated at the eastern side of the Brazilian Equatorial Margin, comprising onshore and offshore segments alongside Rio Grande do Norte and Ceará States. The Fortaleza High defines the western limit with Ceará Basin, whereas Touros High defines its eastern margin with Pernambuco-Parnaíba Basin. The basin area, up to 3,000m isobath, reaches 119,299 km², of which 33,200 km² (28%) are onshore and 86,095 km² (72%) are offshore. A 2D marine seismic spec survey was shot recently in the basin. The exploratory effort in the basin has resulted in the discovery of 70 oil and gas fields, 64 onshore and 6 offshore. A new onshore oil accumulation discovery indicates that the basin still offers good opportunities. Potiguar Basin, with a daily production of 110,000 barrels of oil equivalent, is currently the second production region in the country.

Potiguar Basin

 

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Shapefile:

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Areas:

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Geology:

Stratigrafic Charts

Geological Section

 

Recôncavo Basin

One sector is being offered in the Recôncavo Basin, with 41 blocks, totaling 1,245.60 km². Located in the northeast region of Brazil, in Bahia State, the onshore portion covers an area of 10,200 km². It is separated from Tucano Basin to the north by the Apora High, and from Camamu-Almada Basin, to the south, by an east-west transfer zone (Barra Fault). The eastern and western basin margins are represented by Salvador and Maragogipe fault systems respectively. The first oil discovery was made in 1939 by a well drilled in Lobato, considered to mark the starting of the national petroleum industry. Tests of a recent light oil discovery revealed good production capacity. Current production in the Recôncavo Basin is 80,000 barrels of oil equivalent per day.

Recôncavo Basin

 

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Shapefile:

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Areas:

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Geology:

Stratigrafic Charts

Geological Section

 

Espírito Santo Basin

Four sectors are being offered in the Espírito Santo-Mucuri Basin (3 onshore – 60 blocks - and 1 in shallow water – 21 blocks), totaling 5,687.201 km². This basin is located along the coast of the central-north part of Espírito Santo state and south part of Bahia state. The southern limit of the basin is a geological feature known as the Vitória High, that separates it from the Campos Basin, whilst the northern boundary with the Cumuruxatiba Basin is only geographic. The total basin area up to the 3,000m isobath is 123,130 km² (17,900 km² onshore) and it is covered by a recent 2D seismic spec survey. The 489 exploration wells drilled in the basin have resulted in the discovery of 52 hydrocarbon accumulations, 47 onshore and 5 on the continental shelf. Two recent discoveries include an onshore oil that was declared commercial, resulting in the Mosquito field, and an offshore, shallow water gas accumulation in the BFRD block that is under evaluation. The basin has an original proved volume of 71 MMm³ of oil and 9,000 MMm³ of gas.

Espírito Santo Basin Onshore
Espírito Santo Basin Offshore

 

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Areas:

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Geology:

Stratigrafic Charts

Geological Section

 

 

Jequitinhonha Basin

One sector is being offered in the Jequitinhonha Basin, with 12 blocks, totaling 8,899.97 km². This basin is located in the northeast portion of the East Brazilian margin, on the southern Bahia coast opposite the mouth of the Jequitinhonha River. The Olivenca High defines the northern boundary with the Camamu-Almada Basin and the volcanic Royal Charlotte Bank marks the southern boundary with the Cumuraxitiba Basin. It occupies an area of ca. 10,100 km², of which 9,500 km² is offshore (7,000 km² to a water depth of 1,000m and 2,500 km² between 1,000 and 2,000m). The basin was the target for a recent spec 2D seismic survey. The drilling of 35 exploration wells in the basin has resulted in one discovery in the area of the well 1-BAS-37.

Jequitinhonha Basin

 

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Shapefile:

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Areas:

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Geology:

Stratigrafic Charts

Geological Section

 

 

Campos Basin

Three sectors are being offered in Campos Basin, two in shallow - and one in deep waters, respectively 38 and 6 blocks, totaling 11,500.94 km². Situated off the coast of the Rio de Janeiro and Espírito Santo States, this basin covers an area of 115,800 km² to a water depth limit of 3,000m. A small part of this area extends onshore. The basin was the target for a recent 2D spec seismic survey. The interaction of petroleum system elements has resulted in an ideal timing of hydrocarbon generation, migration and trapping turning this basin into the most prolific in Brazil, with the discovery of enormous volumes of oil and gas. Current production exceeds 1.25 million barrels of oil per day and 18.89 million cubic meters of gas. Recent significant discoveries on blocks BC-30 and BC-60, are under evaluation, and their declaration of commerciality is expected for the next year. In other blocks, for example, BC-10 and BC-2, the drilling of 12 wells, resulted in discoveries which potential are been evaluated.

Campos Basin

 

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Shapefile:

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Areas:

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Geology:

Stratigrafic Charts

Geological Section

 

Santos Basin

Three sectors are being offered in Santos Basin, two in shallow and one in deep waters, respectively 306 and 20 blocks, totaling 66,661.60 km2. This basin is located on the southeast portion of the Brazilian continental margin, offshore from Rio de Janeiro, São Paulo, Paraná and Santa Catarina States. The southern boundary with Pelotas Basin is Florianópolis High, whilst the northern boundary with the Campos Basin is Cabo Frio High. With a total area of 352,260 km² up to 3,000m isobath, the Santos Basin constitutes the most extensive of Brazil's coastal basins. The basin was the target for a recent 2D seismic spec survey. The drilling of 150 exploration wells has resulted in the discovery of 5 oil fields (Tubarão, Coral, Estrela do Mar, Caravela and Caravela Sul) and a gas condensate field (Merluza), that combine to give an original oil equivalent in-place volume of 190 MM m³. The most recent discoveries, still being evaluated, were made on blocks BS-3, BS-4 and BS-500 after the drilling of 28 wells, encompassing reservoirs from tertiary to cretaceous, increasing the exploratory potential of the basin.

Santos Basin

 

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Shapefile:

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Areas:

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Geology:

Stratigrafic Charts

Geological Section

 

Pelotas Basin

One deep water sector is being offered in Pelotas Basin, with 33 blocks, with an area of 21,360.48 km². This basin is located in the extreme southern of the Brazilian continental margin, from Uruguay in the south to the Santos Basin in the north. Its area is approximately 210,000 km², to the 2,000m bathymetric contour. The exploration effort thus far can be summarized as 21 wells, 11 of which were stratigraphic, and 9 onshore tests. The most recent well was drilled in 2001 and today there are no concessions in this basin.
It is absent the evaporitic section and the basin prospectivity has to be better evaluated. Potential prospects are mainly cretaceous and tertiary turbidites and Albian sandstones and carbonates, in stratigraphic and structural traps. Subordinate targets are Barremian/Aptian and Paleozoic (?) prospects in more proximal and shallower parts of the basin.

Pelotas Basin

 

Text:

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Shapefile:

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Areas:

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Geology:

Stratigrafic Charts

Geological Section
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