Principal Reservoir Engineer

This role involves developing, directing, and applying advanced technical expertise in petrophysics to support the design, implementation, and optimization of reservoir evaluation processes.

As a Principal Reservoir Engineer
, the position provides strategic leadership and technical authority in ensuring that products, technologies, and workflows meet defined performance standards and operational objectives.

• Technical Authority – Reservoir Engineering & Tight Gas
  • Serve as tight gas SME, providing expert guidance on reservoir characterization, stimulation, and production forecasting.
  • Act as Technical Authority (TA2) for reservoir engineering, ensuring adherence to Shell standards and technical integrity.
  • Define and deploy fit‑for‑purpose workflows, tools, and best practices across assets.
  • Provide expert input into well design, fracture diagnostics, and production surveillance.
  • Drive technology deployment and innovation, leveraging global learnings.
  • Define and assure Well & Reservoir Management and surveillance and data acquisition requirements to support development and safe operations.
• Reservoir Engineering Delivery & Assurance
  • Hydrocarbon resource estimation, classification, and reporting in line with corporate and regulatory standards.
  • Integrated production and injection forecasts with clear uncertainty ranges.
  • High‑quality reservoir simulation modelling and analytical evaluations.
  • Ensure calibration of models and volumes to actual field performance.
  • Deliver robust formation pressure predictions, pore pressure management, and reservoir risk assessments.
  • Ensure technical quality through formal peer reviews, assurance processes, and compliance with standards.
• HSSE &
  
  Risk Management:
  
  Accountable for HSSE‑critical reservoir engineering activities, i.e.
  • Pore pressure prediction, H₂S prediction and associated risk management.
  • Ensure compliance with safety standards, and Life‑Saving Rules.
• Strategic Planning & Portfolio Stewardship
  • Contribute to and influence asset development strategies and long‑term portfolio plans.
  • Support decision‑making and investment cases with robust technical inputs.
  • Align subsurface outcomes with portfolio value delivery and business objectives.
  • Support JV governance and stakeholder engagements.
  • Support the Portfolio Growth opportunities in Oil and Gas assets under the ambit of Shell Oman.
• Integration & Stakeholder Management
  • Lead integration across subsurface, wells, facilities, and operations.
  • Act as a key interface with JV partners, regulators, and internal technical authorities.
  • Build strong alignment between asset teams and corporate functions.
• Leadership & Capability Development
  • Lead, coach, and develop reservoir engineering talent and tight gas capability.
  • Provide guidance on competency development, succession planning, and resource deployment.
  • Foster a culture of technical excellence, assurance, and continuous improvement.
  • Promote knowledge sharing and external engagement.

• Strong Reservoir Engineering Skills with demonstratable expertise to Mastery level competencies in:
  • Reservoir performance evaluation and forecasting with reference to tight gas and conventional oil and gas development related to multiple recovery mechanisms.
  • Resource estimation and reserves reporting.
  • Reservoir Simulation Modelling and Uncertainty Management.
  • Evaluate/manage impact of key subsurface uncertainties.
  • Reservoir Engineering HSE Critical activities such as Managing Pore Pressure and H₂S prediction.
  • Production Forecasting: generating production (and injection) forecasts for all fluids produced and injected with uncertainty ranges, using the appropriate tools and techniques.

• Degree in Petroleum Engineering or related discipline (Master’s preferred).
• 20+ years experience in Reservoir Engineering.
• Demonstrated expertise in tight gas / unconventional reservoirs.
• Experience in JV environments and complex asset portfolios.
• Certified Reservoir Engineering TA2 (mandatory).