Specialist Reservoir Engineer

Overview

Reservoir Engineer Specialist – Role Profile

Reservoir Engineer Specialist

Core Role Scope

• Develop fit-for-purpose, history-matched dynamic simulation models.
• Integrate multi-disciplinary data (geology, petrophysics, PVT, SCAL, pressure, production data) to ensure physics-consistent modelling.
• Support field development optimization (FDP), well placement, and production forecasting.
• Deliver decision-ready technical outputs for endorsement, including scenarios, sensitivities, and uncertainties.
• Act as a technical focal point for simulation-related deliverables in governance meetings and workshops.
• Support management framework and continuous model updates using new data.
• Adhere to company policies, systems, processes, and procedures.

A. Technical Challenges

• Achieving robust history match across multiple data domains.
• Handling uncertainty in STOIIP and reservoir behaviour.
• Integration complexity across seismic, SCAL, logs, and pressure datasets.
• Model readiness versus project timelines.

B. Governance & Stakeholder Challenges

• Ensure all model outputs are defensible, auditable, and technically justified.
• Support continuous updates, re-runs, and scenario testing.
• Align multiple stakeholders across field development, production engineering, geology, and upstream teams.

C. Business & Delivery Challenges

• Balance model complexity with practicality.
• Support FDP optimization targets and production sustainability.
• Manage multiple parallel deliverables, workshops, committees, and support requests.

A. Technical Excellence

• High-quality history matching and predictive capability.
• Strong understanding of reservoir physics, SCAL, and uncertainty workflows.
• Ability to translate complex subsurface behaviour into clear outputs.

B. Integration & Collaboration

• Coordinate effectively with geology, petrophysics, SCAL, and production teams.
• Ensure integration across static, dynamic, and development workflows.

C. Engagement & Governance

• Deliver clear and defensible technical presentations.
• Prepare pre-validated scenarios.
• Ensure alignment with Integrated Reservoir Management and audit requirements.

D. Delivery & Ownership

• Own the model lifecycle from build through updates and application.
• Prioritize under pressure and manage multiple requests.
• Maintain responsiveness to urgent simulation requirements.

E. Decision Impact

• Production forecasting.
• Development scenarios.
• Risk and uncertainty ranges.

Health, Safety, Environment (HSE) and Sustainability

Policies, Systems, Processes & Procedures

1. Model Build, Validation & Readiness

• Integrated static-dynamic simulation model.
• History-matched reservoir model.
• Data QC and integration.
• Audit-ready assumptions and uncertainty documentation.

2. Technical Engagement & Endorsement

• Present model re-evaluation results.
• Deliver endorsement-ready technical packages.

3. FDP & Production Forecasting Support

• Production forecasts and development scenarios.
• Sensitivity cases.
• Support field development strategy.

4. Uncertainty & Risk Quantification

• STOIIP uncertainty analysis.
• P10, P50, and P90 ranges.
• Risked production outlooks.

5. Continuous Model Update & Data Integration

• Update models using new wells, pressure, and surveillance data.
• Maintain alignment with IRM requirements.

6. Cross-Functional Integration & Technical Assurance

• Interface with geology, petrophysics, production, and facilities teams.
• Deliver a fully integrated and technically consistent subsurface model.

A. Integrated Reservoir Modelling

• Static and dynamic simulation modelling.
• 3D model building, initialization, history matching, and uncertainty handling.

B. Advanced Dynamic Simulation & Forecasting

• Forecasting development scenarios.
• Sensitivity analysis and uncertainty quantification.
• Production forecasting and uncertainty reduction plans.

C. Field Development Planning (FDP) Integration

• Production targets, recovery factors, well placement, and pressure maintenance.
• Reservoir engineering inputs to FDP decisions.

D. Uncertainty, Risk & Decision Analysis

• STOIIP uncertainty assessment.
• Reservoir connectivity and performance risk analysis.
• P10, P50, and P90 scenario development.

E. Development Optimization & Strategy Design

• Well placement optimization.
• Injection strategy and VRR management.
• Recovery mechanism evaluation.

F. Governance & Stakeholder Interface

• Technical presentations and approval packages.
• Stakeholder engagement and technical committee support.

G. Cross-Disciplinary Integration

• Collaboration with geology, drilling, facilities, and production teams.
• Alignment of subsurface and surface constraints.

H. Business Planning & Economics Exposure

• Production profiles for business planning.
• Support economic evaluations and development scenarios.
• Strong foundation for future commercial and strategic roles.