Brazilcnoocinternational.com/operations/brazil
CNOOC Petroleum Brasil Ltda. is the Brazilian subsidiary of China National Offshore Oil Corporation (CNOOC) Limited, a global energy company focused on crude oil and natural gas exploration and production. Established in 2013 and headquartered in Rio de Janeiro, it primarily operates in Brazil's offshore deepwater pre-salt basins.
The company holds participating interests in major fields, including a 9.65% stake in the unitized Mero field (part of the Libra production-sharing contract in the Santos Basin, operated by Petrobras) and approximately 7-10% in the Buzios field. It has also secured operatorship in exploration block S-M-1813 and non-operating interests in Pelotas Basin blocks. CNOOC Petroleum Brasil contributes to high-volume projects like Mero, which averaged over 680,000 barrels per day in early 2026, supporting reservoir monitoring and development initiatives.
None yet. When a new project in the record names CNOOC Petroleum Brasil as owner, partner or investor, it shows here.
Permanent seabed seismic sensor network in Mero (Santos Basin) will map reservoir behavior to improve recovery and monitor FPSO production. 460 km cables in place; first data Q2 2026; AI used.
