Reports to: Assistant Manager, OML 60-63 Asset.
Job Summary
- To provide advanced geophysical and geological expertise for reservoir characterization, seismic interpretation, static modelling, volumetrics and well planning to support field development, reserves maturation, drilling operations, and reservoir management.
- The role ensures high-quality subsurface evaluations, integrates multidisciplinary datasets, and drives optimal decision-making for hydrocarbon asset value maximization.
Key Responsibility Areas (Kras) & Initiatives
Reservoir Characterization & Static Modelling:
- Lead the development, integration, and updating of 3D static reservoir models (structural, facies, and petrophysical modelling).
- Integrate seismic, geological, petrophysical, core, and reservoir engineering datasets to deliver accurate reservoir descriptions and uncertainty analyses.
- Generate reservoir quality maps, volumetrics, and scenario-based models to support infill drilling, field development planning, and reserves estimation. ▪ Ensure modelling workflows follow subsurface assurance guidelines, data quality standards, and corporate modelling protocols.
- Support reservoir surveillance initiatives by integrating production and pressure data into dynamic/static model updates.
Seismic Interpretation & Geophysical Evaluation:
- Conduct advanced 3D seismic interpretation for structural definition, reservoir delineation, stratigraphic analysis, and prospect identification.
- Apply modern geophysical tools including AVO/AVA, seismic inversion, spectral decomposition, rock physics, and attribute analysis for reservoir prediction and fluid characterization.
- Provide QC oversight for seismic acquisition and processing projects to ensure optimal data quality.
- Develop and maintain seismic databases, interpretation projects, and geophysical technical documentation.
- Generate subsurface maps (structure maps, isopach maps, facies distribution maps), to support reservoir delineation and well placement decisions.
Well Planning, Drilling Support & Operational Geoscience:
- Lead subsurface input into well planning processes including well trajectory design, target definition, hazard assessment, and drilling risk mitigation.
- Provide real-time geoscience support during drilling operations (geosteering, stratigraphic correlation, LWD/MWD interpretation).
- Prepare end-of-well reports, geological prognosis documents, and post-drill evaluations.
- Collaborate closely with drilling, reservoir engineering, and production teams to ensure safe and optimized execution of drilling campaigns.
- Evaluate and recommend opportunities for sidetracks, re-entries, and well interventions.
Field Development, Reserves & Regulatory/Partner Support:
- Contribute to Field Development Plans (FDPs), Reservoir Management Plans (RMPs), and annual reserves reviews.
- Prepare subsurface technical documentation for regulatory submissions, JV partner reviews, and internal approvals.
- Support reserves reporting (1P/2P/3P) through rigorous subsurface analysis and documentation aligned with SPE-PRMS standards.
- Participate in technical workshops, peer assists, partner technical meetings, and regulatory engagements.
- Track, update, and maintain technical deliverables required for well approvals, development decisions, and subsurface assurance.
Research, Innovation & Continuous Improvement:
- Identify and implement new technologies, workflows, and software tools (AI/ML subsurface analytics, advanced inversion, 4D seismic).
- Document lessons learned, update best practices, and contribute to knowledge-sharing initiatives within the department.
- Mentor junior geoscientists, providing technical guidance and reviewing work to maintain high-quality subsurface deliverables.
- Ensure data integrity, digital compliance, and adherence to corporate subsurface governance standards.
- Support improvements in modelling workflows, seismic interpretation practices, and multidisciplinary collaboration.
Qualifications & Experience Requirements
- BSc or MSc in Geophysics, Geology, Earth Sciences, or related subsurface discipline.
- Minimum 8–12 years of experience in geophysics/geology roles within oil & gas E&P environments.
Required Professional Certifications / Accreditations:
- Membership in recognized professional bodies (NAPE, AAPG, SEG, EAGE, NMGS).
- Advanced training in seismic interpretation, reservoir modelling, or rock physics (advantageous).
Required Technical Experience Proven ability in:
- 2D/3D seismic interpretation and mapping
- 3D static reservoir modelling (structure, facies, petrophysics)
- Prospect generation and risk assessment
- Well planning, drilling operations support, and geosteering. Integration of core, logs, seismic, and production data
- Use of major subsurface software (Petrel, Kingdom, Hampson-Russell, Tnavigator, Decisionspace)
- Reservoir surveillance interpretation and volumetric estimation.
Additional (Desirable) Experience:
- Experience with 4D seismic, advanced inversion, AI/ML geoscience tools
- Exposure to carbonate/clastic reservoirs and deepwater environments
- Knowledge of reserves reporting standards (SPE-PRMS)
- Familiarity with petroleum system modelling or geomechanics
- Expert in interpretation of structural/stratigraphic features, seismic attributes, and fault/fracture systems.
- Builds and updates 3D geological models incorporating facies, petrophysical properties, and uncertainties.
- Applies inversion, AVO/AVA, and rock physics techniques to enhance reservoir prediction.
- Combines geological, geophysical, petrophysical, and production data into coherent subsurface models.
- Designs well trajectories, identifies hazards, and supports geosteering and realtime drilling decisions.
- Contributes to surveillance reviews, reserves maturation, and optimization of field development strategies.
- Ensures integrity, quality control, and lifecycle management of seismic, well, and modelling data.
- Prepares technical materials for regulatory submissions, JV reviews, and external audits.
Technical Competencies:
Seismic Interpretation & Mapping:
- Expert in interpretation of structural/stratigraphic features, seismic attributes, and fault/fracture systems.
Reservoir Modelling:
- Builds and updates 3D geological models incorporating facies, petrophysical properties, and uncertainties.
Rock Physics & Advanced Geophysics:
- Applies inversion, AVO/AVA, and rock physics techniques to enhance reservoir prediction.
Subsurface Integration:
- Combines geological, geophysical, petrophysical, and production data into coherent subsurface models.
Well Planning & Operations Geoscience:
- Designs well trajectories, identifies hazards, and supports geosteering and realtime drilling decisions.
Reservoir Management Support:
- Contributes to surveillance reviews, reserves maturation, and optimization of field development strategies.
Subsurface Data Management:
- Ensures integrity, quality control, and lifecycle management of seismic, well, and modelling data.
- Regulatory & Partner Technical Support.
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