In May 2017, oil production in Brazil totaled 2.653 million barrels per day (bbl / d). The volume represents a growth of 4.5% in comparison with the previous month and of 6.7% in relation to the same month in 2016. The natural gas production was 105 million cubic meters per day (m³ / d) , Surpassing the production of the same month by 5% in 2016 and 2.1% in April. Total oil and natural gas production in the country was approximately 3.312 million barrels of oil equivalent per day (boe / d). 

The bulletin is available at http://www.anp.gov.br/wwwanp/publicacoes/boletins-anp/2395-newsletter-month-production-production-natural-products. 

Pre-salt 

Pre-salt production in April totaled approximately 1.572 million barrels of oil equivalent per day. The production, from 75 wells, was approximately 1.265 million barrels of oil per day and 49 million cubic meters of natural gas per day, an increase of 5.1% over the previous month. The pre-salt production corresponded to 47.5% of the total produced in Brazil. The "pre-salt" wells are those whose production is carried out in the geological horizon called pre-salt, in fields located in the area defined in section IV of the caput of article 2 of Law 12,351 / 2010. 

Gas Burning 

The use of natural gas in the month reached 96.5%. Gas flaring in May was 3.7 million cubic meters per day, up 4.3% compared to the previous month and up 1% from the same month in 2016. 

Producing fields 

The Lula field, in the Santos Basin, was the largest producer of oil and natural gas. It produced, on average, 697 thousand bbl / d of oil and 30,1 million m³ / d of natural gas. 

Marine fields produced 95.2% of oil and 84% of natural gas. The production took place in 8,306 wells, being 748 seafarers and 7.558 terrestrial. The fields operated by Petrobras produced 94.2% of the oil and natural gas. 

Estreito, in the Potiguar Basin, had the largest number of producing wells: 1,112. Dom João Mar, in the Recôncavo Basin, was the maritime field with the largest number of producing wells: 62. 

The FPSO Cidade de Itaguaí, producing in the Lula field, produced, through 6 interconnected wells, 185,000 boe / d and was the UEP (Stationary Production Unit) with the highest production. 

Other information

In May 2017, 298 concessions, operated by 25 companies, were responsible for domestic production. Of these, 81 are maritime concessions and 217 are terrestrial. It should be noted that, of the total of the production concessions, one is in exploratory activity and produces through a Long-Term Test (TLD), and another six are related to contracts of areas containing marginal accumulations. 

The average API grade was 26.5, with 32.4% of the production being considered light oil (> = 31 ° API), 49.9% medium oil (> = 22 API and <31 API) and 17.7% oil Heavy (<22 API). 

The mature terrestrial basins (fields / long-term tests of the Espírito Santo, Potiguar, Recôncavo, Sergipe and Alagoas basins) produced 132.6 thousand boe / d, of which 108.6 thousand bbl / d of oil and 3.8 million M³ / d of natural gas. Of this total, 127.6 thousand barrels of oil equivalent per day were produced by Petrobras and 5 thousand boe / d for concessions not operated by Petrobras, of which 239 boe / d in Alagoas, 2,101 boe / d in Bahia, 73 boe / d in the Espírito Santo, 2,376 boe / d in Rio Grande do Norte and 233 boe / d in Sergipe.