Start Oil and natural gas production shows growth in Brazil, with the pre-salt responsible for most of the productivity in barrels of oil equivalent

Oil and natural gas production shows growth in Brazil, with the pre-salt responsible for most of the productivity in barrels of oil equivalent

May 5, 2022 10:36 pm to 22:36
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gas, oil, pre-salt
Illustrative photo by Jan-Rune Smenes Reite / Source: Pexels

In March, there was an increase in oil and gas production, while the pre-salt accounted for 75.2% of Brazilian production in boe

In March of this year, Brazil produced 2.981 MMbbl/d (millions of barrels per day) of oil, which represents an increase of 2.2% compared to February and 4.8% compared to March 2021. In addition, 134 MMm³/d (millions of daily cubic meters) of natural gas were produced, a number also higher than those observed in February (increase of 0.9%) and in the same period of the previous year (addition of 6.6% ). As a whole, 3,827 MMboe/d (million barrels of oil equivalent per day) were produced.

As for pre-salt production – sector with blocks for auction –, in March, a volume of 2.876 MMboe/d (million barrels of oil equivalent per day) was recorded, of which 2.267 MMbbl/d correspond to oil and 96.7 MMm³/d correspond to natural gas. Such pre-salt productivity values relate to 75.2% of national production. A production increase of 1.2% was observed compared to February and 8.1% compared to March 2021, and production in the pre-salt was generated in 131 wells.

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The use of natural gas also underwent an increase

Also taking into account the month of March, the use of natural gas was 97.8%, with the availability of 51.7 MMm³/day to the market. Thus, gas flaring in the period was only 2.9 MMm³/d, which represents a decrease of 2% relative to February and 6.2% compared to March of last year.

Regarding the origin of production, the offshore fields were responsible for 97.1% of oil and 86.9% of natural gas produced in March. Of these fields, those operated by Petrobras were responsible for most of the Brazilian production, corresponding to 94.2% of oil and natural gas generated in the country.

The Tupi field, in the Santos Basin pre-salt, was the main producer of oil and natural gas, as it registered 906 MMbbl/d of oil and 43 MMm³/d of gas Natural.

The Petrobras 77 platform, which produces in the Búzios field through five wells connected to it, produced 156.496 Mbbl/d of oil, making it the facility with the highest production of this material.

The FPSO Cidade de Itaguaí facility, in turn, was the facility with the highest production of natural gas. It produces in the Tupi field, through 7 wells connected to it, and was responsible for the production of 7,794 MMm³/d of gas.

The largest number of onshore producing wells (949) is in Estreito, in the Potiguar Basin. Meanwhile, the offshore field with the highest number of producing wells (61) is Tupi, in the pre-salt of Santos Basin.

The marginal accumulation fields produced 293 barrels of oil equivalent per day, with oil accounting for 92.3 bbl/d and natural gas accounting for 31.9 Mm³/d. Of these, the Iraí field, operated by Petroborn, was the main producer, given that the production of 191.2 boe/d can be attributed to it.

Most production wells are onshore

In March 2022, national production was in charge of 273 areas granted, five areas of transfer of rights and six areas of sharing, operated by 41 companies. Among these areas, 63 are offshore and 221 on land, 12 of which refer to agreements on areas involving marginal accumulations. Production was carried out in 6,143 wells, of which 466 are offshore and 5,677 are onshore.

As for the API grade, the average of oil extracted in Brazilian territory was 28.2. Furthermore, 2.1% of production was taken as light oil (with API greater than or equal to 31), 92.6% as medium oil (API greater than or equal to 22 and less than 31) and 5.3% as heavy oil ( API less than 22).

The mature onshore basins (long-term fields/tests in the Espírito Santo, Potiguar, Recôncavo, Sergipe and Alagoas basins) were responsible for the production of 95,385 boe/d, of which 73,485 Mbbl/d correspond to oil and 3,482 MMm³/d to natural gas. Of the total amount of barrels of oil equivalent produced per day, 51 thousand were produced by Petrobras and 44.4 thousand were in charge of concessions not operated by the company, of which: 20,424 boe/d in Rio Grande do Norte, 16,475 boe/d in Bahia, 5,979 boe/d in Alagoas, 1,329 boe/d in Espírito Santo and 175 boe/d in Sergipe.

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