Title:
Specialist Reservoir EngineerReservoir Engineer Specialist Role Profile
Role and Team
Job Title
Reservoir Engineer Specialist
The Reservoir Engineer Specialistis responsible forleading the development maintenance and application of integrated static and dynamic reservoir simulation models to support field development decisions and ensure alignment with company governance requirements.
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.
Key Challenges
A. Technical Challenges
Achieving robust historymatchacross multiple data domains.
Handling uncertainty in STOIIP and reservoirbehaviour.
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.
Key Success Factors
A. Technical Excellence
High-quality history matching and predictive capability.
Strong understanding of reservoir physics SCAL and uncertainty workflows.
Ability to translate complex subsurfacebehaviourinto 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 anddefensibletechnical 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.
Maintainresponsiveness to urgent simulation requirements.
E. Decision Impact
Production forecasting.
Development scenarios.
Risk and uncertaintyranges.
Health Safety Environment (HSE)and Sustainability
Comply withapplicable HSE policies procedures controls legislation sustainability guidelines international standards best practices and company codes of practice.
Policies Systems Processes & Procedures
Implement approved department policies processes systems standards and procedures in line with company and international standards.
What is the person expected to deliver in the first 6 to 12 months
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.
Maintainalignment 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.
Candidate Profile
Key Functional Experience
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 foundationfor future commercial and strategic roles.
Required Experience:
IC
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