Senior Geologist

1h1 hour ago

Assala Energy

Port-Gentil, GA · Full-time · $150,000 – $220,000

About this role

Assala Gabon is a dynamic Oil and Gas Exploration and Production company committed to sustainable development of its assets. It values a collaborative approach, promotes diversity, and prioritizes safety and integrity. The Senior Geologist leads subsurface volumetric evaluations across the asset portfolio and designs well trajectories for new drilling programs.

This role ensures alignment with geological targets while respecting operational and drilling constraints. The position involves close technical collaboration with the Operations Geology team on drilling planning, real-time decision-making, and execution activities. Daily work includes building and maintaining Petrel static models for mature fields.

The Senior Geologist embeds within integrated asset development teams, reporting to the team leader, and contributes across other assets as needed. Key activities encompass analyzing large volumes of geological data to identify sweet spots and optimizing field development. Collaboration with Petrophysics, Reservoir Engineering, and Production Engineering identifies drilling candidates.

Compliance with HSSE standards promotes a strong safety culture. The role critically challenges existing models and interpretations to improve subsurface understanding. Proactive engagement drives continuous improvement and performance in a responsible, integrity-focused environment.

Requirements

Bachelor’s degree in Engineering, Geology or related discipline (Master’s preferred)
Minimum of 7 years’ experience as a Development Geologist
Strong hands-on experience and sedimentological interpretation
Previous exposure to West Africa and/or pre-salt reservoirs is a strong advantage
Proficiency in industry-standard geological and petrophysical software, including Interactive Petrophysics (IP) and Techlog
Advanced Petrel user with proven experience in mature field redevelopment and modelling
Strong ability to analyse and integrate large volumes of complex geological and dynamic reservoir data to identify sweet spots
Solid expertise in well log interpretation and determination of key petrophysical parameters

Responsibilities

Build and maintain Petrel static models for mature fields with high well density, including robust petrophysical property distribution modelling
Actively participate in well-by-well and project reviews to support data-driven decision-making
Analyse large volumes of geological data to identify sweet spots and optimise field development opportunities
Identify, in collaboration with Petrophysics, Reservoir Engineering, and Production Engineering, mature candidates for drilling and well optimisation
Ensure full compliance with company HSSE standards and promote a strong safety culture
Critically challenge existing models, well correlations, and multidisciplinary interpretations to improve subsurface understanding
Engage proactively with the team to drive continuous improvement and overall performance
Operate responsibly, with a strong commitment to safety, integrity, and operational excellence