Mero (Libra Noroeste) is a producing conventional oil field located in ultra-deepwater in Brazil and is operated by Petroleo Brasileiro. According to GlobalData, who tracks more than 34,000 active and developing oil and gas fields worldwide, the field is located in block Libra and Mero, with water depth of 6,822 feet. Buy the profile here.

Three expansion projects are associated with the Mero (Libra Noroeste) conventional oil field, namely the Mero 2, the Mero 3 and the Mero 4. The expansion projects are currently in the commissioning and construction stage, targeting start-up during 2023 – 2025.

Field participation details

The field is owned by China National Offshore Oil, China National Petroleum, Petroleo Brasileiro, Pre-Sal Petroleo, Shell and TotalEnergies.

Production from Mero (Libra Noroeste)

The Mero (Libra Noroeste) conventional oil field recovered 2.56% of its total recoverable reserves, with peak production expected in 2026. The peak production will approximately 586.03 thousand bpd of crude oil and condensate and 270.00 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2056. The field currently accounts for approximately 3% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 2,803.20 Mmboe, comprised of 2,559.81 Mmbbl of crude oil & condensate and 1,460.34 bcf of natural gas reserves. Mero (Libra Noroeste) conventional oil field reserves accounts 0.62% of total remaining reserves of producing conventional oil fields globally.

Contractors involved in the Mero (Libra Noroeste) conventional oil field

Some of the key contractors involved in the Mero (Libra Noroeste) project as follows.

Main EPC: A.P. Moller - Maersk, Nokia, Siemens Energy and TechnipFMC

EPC Contractors: Mitsubishi, Subsea 7, SBM Offshore, Nippon Yusen Kabushiki Kaisha and Bomesc Offshore Engineering

Other Contractors: Aker Solutions, Acteon Group, Novonor, Fugro and China International Marine Containers (Group)

About Petroleo Brasileiro

Petroleo Brasileiro SA (Petrobras) is an integrated oil & gas company. Its major businesses include exploration and production, refining, marketing, trade and transportation of oil and gas. The company also conducts biofuel, natural gas, petrochemical, electricity and chemical businesses, and oil product distribution. It is a major crude oil producer and refiner in Brazil and the South American continent. It also participates in the domestic power market through investments in thermoelectric power plants and renewable energy. Through its subsidiaries and affiliates, Petrobras markets its products in North America, South America, Africa and Asia. Petrobras is headquartered in Rio de Janeiro, Brazil.

For more details on the Mero (Libra Noroeste) Conventional Oil Field, buy the profile here.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Oil & Gas Intelligence Center, which provides detailed profiles of 34,000+ oil and gas fields, 400,000+ exploration blocks, 1,100+ LNG terminals, 3,400+ gas processing plants, 5,000+ storage terminals, and 8,000+ pipelines, 1,400+ refineries and 13,000+ petrochemical plants worldwide.