Proven oil reserves increased 11% in Brazil in 2021, according to the Annual Bulletin of Resources and Reserves (BAR), released this Thursday (31) by the National Agency of Petroleum, Natural Gas and Biofuels (ANP). There was also an increase of 14.3% in the volume related to the sum of proved and probable reserves and of 19.8% in the sum of proved, probable and possible, compared to 2020 data.
“The companies contracted for exploration and production in Brazil declared 13.24 billion barrels of proved reserves, 19.95 billion barrels of most probable proved reserves, and 24.24 billion barrels of proved, most probable reserves. and possible. In the pre-salt, there was a 15.7% increase in proved reserves compared to 2020, totaling 9.621 billion barrels,” the ANP reported.
According to the agency, in the case of natural gas, 378.65 billion cubic meters of proved reserves were declared, 491.92 billion m³ of proved reserves, most likely, and 560.40 billion m³ of proved reserves, most likely and possible, which correspond to increases of 11.7%, 20.3% and 24%, respectively, compared to 2020.
“In general, changes in the volume of Brazilian oil and natural gas reserves are due to production carried out during the year, additional reserves arising from new development projects, declarations of commerciality and revision of field reserves due to different technical and economic. This year, the highlight was the inclusion of volumes referring to the surplus from the transfer of rights in the Búzios and Itapu fields”, explained the agency.