Geophysicist

Job Summary

The Senior Development Geophysicist is responsible for comprehensive subsurface characterization through seismic interpretation, attribute analysis, quantitative interpretation (QI), and inversion workflows. They support exploration, field appraisal, reservoir property prediction, development planning, pore‑pressure prediction, and time‑lapse studies. They supervise geophysical activities, ensuring high‑quality seismic evaluation, structural interpretation, velocity/depth modeling, drilling support, and multidisciplinary integration. In carbonate settings, the role requires advanced seismic methods to delineate reservoirs, karst systems, fracture corridors, and diagenetic overprints.

Responsibilities – Project

• Provide structural interpretation and mapping to build and maintain structural models.
• Conduct deterministic and stochastic velocity modeling for depth conversion and uncertainty quantification.
• Perform seismic reservoir characterization and contribute to volumetrics and reserves estimation.
• Deliver pore‑pressure prediction and seismic‑guided reservoir property modeling for geomodels.
• Identify the need and scope for Quantitative Interpretation (QI).
• Assure quality of inversion deliverables.
• Integrate geophysical, geological, and petrophysical data.
• Conduct seismic QC for acquisition and interpretation.
• Perform well‑to‑seismic ties, rock physics, AVO/AVAz, and inversion workflows.
• Support FDP, waterflooding, EOR and redevelopment studies.
• Participate in well planning, documentation, and hazard assessment.
• Support drilling execution with real‑time subsurface inputs.
• Guide seismic reprocessing (time & depth) and provide QA/QC.

Responsibilities – Carbonates

• Apply carbonate seismic interpretation workflows to delineate platforms, reefs, shoals, and karst systems.
• Build velocity models accounting for heterogeneity, anhydrite layers, fractures, and karst voids.
• Perform pre‑stack and post‑stack inversion for porosity, fractures, and facies.
• Detect fractures and vugs using coherence, curvature, azimuthal anisotropy, and AVO/AVAz.
• Develop carbonate‑specific rock physics models and calibrate with well data.
• Link seismic response to depositional and diagenetic processes with geology and petrophysics.

Process & Planning

• Document lessons learned and update activity plans.
• Maintain processes for location ranking, prognosis, and drilling proposals.
• Ensure compliance with project management standards and regulations.

HSE Responsibilities

• Comply with corporate policies and HSE requirements.
• Ensure team compliance with QHSE and training obligations.
• Report QHSE incidents promptly and ensure risk mitigation.

People Responsibilities

• Mentor junior geophysicists and provide QA/QC guidance.
• Support capability development and technical assurance.

Relationships

Reports to the G&G Team Lead or Subsurface Manager.

Key Behavioral Elements

• Ability to work under pressure.
• Strong HSE commitment.
• Effective communication.
• High initiative and motivation.
• Team player and integrator.
• Goal‑oriented mindset.

Qualifications / Experience

• Degree in Geophysics/Geosciences with 15+ years in development and exploration.
• Extensive carbonate experience including seismic interpretation, karst/reef mapping, fracture detection.
• Strong rock physics, AVO/AVAz, inversion, seismic processing, and depth conversion experience.
• Proficiency in Petrel including QI modules, mapping, velocity modelling, inversion.
• Experience integrating QI and seismic interpretation into reservoir models.
• Knowledge of probabilistic assessment and uncertainty.
• Familiarity with global carbonate analogues.