Sergio Ornellas

Experience

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  Universidade Federal Fluminense

  May 2020 - Jun 2022

  Human Resources Program Researcher

  PRH 51 ANP/UFFKey Achievement:• Project developed on "Fracture Gradient and Pore Pressure prediction in the Operational Window definition in carbonate formations".

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  Baker Hughes

  Jul 2020 - Jul 2021

  HSE Intern

  Support and enhancement of HSE programs, including administrative support, compliance assurance, risk assessments, and procedure development, to optimize safety and operational effectiveness.Tasks:• Provide administrative support to the HSE department and ensure compliance with policies.• Collaborate with the operation department to meet legal obligations for HSE programs.• Develop and review procedures to enhance the effectiveness of HSE programs and transfer knowledge to the operation department.• Conduct risk assessments and recommend mitigation measures for operational projects to minimize potential HSE hazards.• Maintain the HSE evidence control system to ensure accurate and up-to-date records.Results:• Implemented an Energy Efficiency Project that reduced energy consumption and supported sustainability goals.• Led the Falling Objects Hazards and Control Measures Project to identify and control potential hazards.• Conducted an HSE KPIs survey and recommended ways to improve HSE performance and compliance.• Improved HSE cost control management by identifying cost-saving opportunities.Social Volunteer Activities:• Intern Team Leader: led and mentored company interns in their professional and academic development.• Volunteered as a member to collect food and clothing for the community and schools in the branch's area to support those in need. Show less

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  TotalEnergies

  Aug 2021 - Aug 2023

  Reservoir Engineer Intern

  Analysis and optimization of reservoir performance for ultra-deep-water assets in the Santos Basin, focusing on high-frequency production data, well and reservoir monitoring, and technical allocation to enhance production efficiency in TotalEnergies’ Brazil fields.Tasks:• Conduct reservoir analysis and monitoring to improve production efficiency.• Perform high-frequency data analysis (PI System & KAPPA-Workstation) to identify trends and optimize reservoir performance.• Conduct BHP & WHP decline curve analysis to assess production challenges.• Ensure quality control and data analysis from smart completions (PDGs & ICVs).• Analyze well-test potential data and BSW to determine water production effects.• Conduct technical allocation and material balance analysis for oil, gas, and water production.• Estimate gas flow from well test potential and net oil production.• Utilize tracer analysis to interpret well connectivity.• Build interactive Power BI dashboards for daily production monitoring and support.• Gather PROSPER model data, including PVT properties, completion scheme, and subsea layout.• Work experience in ultra-deep-water assets in the Santos Basin, in both operated and non-operated projects (Lapa, Iara, Atapu, Sepia, Mero-Libra).Results:• Developed technical allocation procedures for TotalEnergies EP Brazil, enhancing data accuracy and operational efficiency.• Created dashboards (OBO Brazil & Weekly Monitoring) to track production/injection by Asset, Field, FPSO & Well, enabling better decision-making.• Leveraged PI System & KAPPA-Workstation for real-time monitoring and proactive issue-solving.• Designed forecast curves dashboards for strategic planning.• Delivered production databases for non-operated assets, boosting operational transparency and team collaboration.Social Volunteer Activities:• Entrepreneur Trail Mentor - Junior Achievement Partnership: Guided high school students with educational resources and career insights. Show less

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  Equinor

  Aug 2024 - Dec 2024

  Reservoir & Production Technology Intern (MSc)

  Performance evaluation and optimization of Autonomous Inflow Control Devices (AICD), utilizing dynamic reservoir simulations, experimental data analysis, and sensitivity assessments to enhance inflow control and production efficiency.Tasks:• Run dynamic reservoir simulations to evaluate Autonomous Inflow Control Devices (AICD) parameter configurations.• Develop and optimize AICD parameters by fitting experimental data with equations.• Perform sensitivity analyses to assess AICD parameter impacts.• Compare simulation results to determine optimal AICD setups.• Analyze experimental data to extract AICD parameters.• Identify key AICD parameters and proposed performance enhancements.• Collaborate with cross-functional teams to validate simulations.Results:• Thesis Writing with Equinor: "Evaluation of Performance for Autonomous Inflow Control Devices (AICD)" Show less

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  Equinor

  Feb 2025 - now

  Graduate Production Engineer

  First assignment in Equinor Corporate Graduate Program at the Peregrino Project, responsible for optimizing production and well operations through the integration of subsurface and topside data for effective project life-cycle management.