• Hydrogen Storage

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    Design for large-scale storage and containers with physical adsorbents.

  • Subsea Layout

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    Offshore field development starts on the seabed — where critical decisions shape the entire project. Subsea layout defines how reservoirs, wells, and production systems are integrated to deliver efficiency, reliability, and value.

  • Field Design

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    Meet Field Design – Our Platform for Oil Production System Simulation and Design.

  • Simulated Distillation (SimDis)

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    How SimDis enables accurate petroleum fraction characterization with minimal sample volume.

  • DemoDay MIT Reap

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    Largest and most complete training program for new startups for the energy and sustainability sector.

  • Hydrogen Storage

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    Design for large-scale storage and containers with physical adsorbents.

Who We Are

Rio Petróleo is an engineering consulting company specialized in the oil and gas industry. Founded as a spin-off from the State University of Rio de Janeiro (UERJ), we combine decades of industry experience with innovative research to deliver technical excellence. Our multidisciplinary team supports clients with engineering consulting, conceptual design, operational assistance, and technology-driven solutions.

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Giovani Nunes

Giovani Nunes

Founder • PhD

Over 32 years of experience in Oil & Gas, specializing in production systems and conceptual design.

Marcelo Oliveira

Marcelo Oliveira

Co-Founder • MSc

Specialist in engineering consulting, operational support and technology development.

Rio Petróleo in Action

Highlights from technical visits, client engagements and industry collaborations.

Our Services

We provide engineering consulting and technical solutions for the oil and gas industry, combining industry experience with innovative technologies.

Conceptual Design

Design of production systems from concept to feasibility.

Flow Assurance

Production system simulations using industry-standard software.

Operational Support

Technical consulting to optimize production assets.

Process Simulation

Evaluation of operating conditions through advanced simulations.

Discover how our expertise supports every phase of engineering projects, from conceptual design to operational excellence.

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Trusted By

Supporting leading companies in the energy industry.

Karoon Energy logo
Halliburton logo
Sonangol logo
Delek logo
PetroRio logo
Shell logo
Aker Energy logo
Siemens Energy logo

Our Journey in Milestones

From our founding to major projects: the moments that define Rio Petróleo.

Company names and logos are presented as they were at the time of each milestone.

Rio Petróleo Founded

Rio Petróleo was founded as a spin-off from UERJ.

Rio Petróleo Founded

2017

PetroRio (now PRIO)

Operational monitoring of the Polvo field.

PetroRio (now PRIO)

2018

Shell

Centrifuge project for water treatment.

Shell

2019

Karoon

Operational monitoring of the Bauna field.

Karoon

2020

Rio Petróleo New Laboratory

R$ 300,000 grant from FAPERJ for the Rio Petroleo laboratory.

Rio Petróleo New Laboratory

2021

MIT REAP

Finalist in the Energin program by MIT REAP.

MIT REAP

2022

Trident

Operational support for the Enchova field.

Trident

2023

Petrobras

Development of 'Field Design' platform design software.

Petrobras

2024

TAG

Simulated distillation of natural gas residue samples.

TAG

2025

Proxys

Proxys models reservior project with Petrobras

Proxys

2026