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Dommo Energia, Óleo e Gás Participações’ subsidiary is a company focused on the exploration and production of oil and natural gas. The Company’s E&P assets portfolio is currently composed of 4 blocks located in Brazil’s offshore basins on Campos and Santos Basins.

× Campos Basin
Campos Basin
OGpar has concession rights over three blocks located in the Campos Basin;
The Tubarão Azul, Tubarão Martelo and Rêmora fields are located in these blocks;
These fields cover an area of 96.42 km², in water depths of about 120 meters, mostly concentrated in the Basin‘s south portion;
It is Brazil‘s most prolific basin, responsible for more than 80% of Brazil‘s oil production.

Santos Basin
Santos Basin
OGpar has a 40% working interest in Atlanta and Oliva fields, located in Block BS-4;
They are operated by Queiroz Galvão (30%), with participation of Barra Energia (30%);
The Atlanta Field production began in May 2018, as disclosed by the operator.

Campos Basin

The Campos basin is a sedimentary area totaling approximately 115,000 km² (28.4 million acres), is Brazil’s main oil producing hub and currently Brazil’s largest oil and natural gas-producing region. In November 2016, the average daily output in the Campos basin was around 1,65 million BOE, approximately 50% of Brazilian production of oil and gas.

Currently, the Company owns concession rights over three blocks in the Campos basin, covering a total area of 96.42 km(²), at a water depth of approximately 120 meters, mostly concentrated in the southern area of this basin where the fields of Tubarão Azul, Tubarão Martelo and Rêmora are located.

The following table lists the Company’s exploratory blocks in the Campos basin:

Exploratory block Fields Total Area (km²) Stake (%)
C-M-466 e 499 Tubarão Martelo 32.14 100
C-M-499 Rêmora 60.69 100
C-M-592 Tubarão Azul 33.59 100
Total - 96.42 100

In January 2012, the Company produced its first crude through a Long-Duration Testing (TLD) in the Waimea accumulation, located in the block C-M-592 (BM-C-41), and subsequently referred to as Tubarão Azul field. In December 2013, the Company also started production in the Tubarão Martelo field, located in the blocks C-M-466 and C-M-499 (agreements BM-C-39 and BM-C-40, respectively).

The Tubarão Azul Field has produced over 6,7 million barrils of oil before having its production suspended, and later the Company began the deactivation and field abandonment process. Currently, the Tubarão Martelo Field is producing through the Floating Production, Storage and Offloading - FPSO unit OSX-3,

Santos Basin

In June 2013, the Company acquired 40% interest in the Atlanta and Oliva fields (Block BS- 4), both oil proven reserves, in partnership with Queiroz Galvão (30%) and Barra Energia (30%). The Atlanta field production began in May 2018, as disclosed by Queiroz Galvão (QGEP), which is the consortium’s operator.

The following table lists the Company’s exploratory blocks in the Santos Basin:

Exploratory block Fields Total Area (km²) Stake (%)
BS-4 Atlanta e Oliva 199.604 40% OGX/30%QGEP/30%BARRA (¹)

(¹) Exploratory block operated by Queiroz Galvão (QGEP).

On May 8, 2014 the Company released the results of certification conducted by Gaffney, Cline & Associates, which resulted in a certification of approximately 147 million barrels of oil and 56 million cubic meters of gas proven reserves, 191 million barrels of oil and 90 million cubic meters of probable gas reserves 269 million barrels of oil and 311 million cubic meters of possible gas reserves for the Atlanta field. The Oliva field was not certified.