Lead Development Geologist Job

Residential Position

Employment Type:Permanent

Tullow is an independent energy company dedicated to building a better future through responsible oil and gas development in Africa, with producing assets in Ghana. We are committed to achieving Net Zero on our Scope 1 and 2 greenhouse gas emissions by 2030. Our Shared Prosperity strategy ensures we deliver lasting socio-economic benefits to host nations by investing in local skills development, community partnerships and sustainable infrastructure.

At Tullow, our people are our greatest asset. We foster a value-led culture underpinned by Aim High , Own It and Be True , where continuous improvement, collaboration and inclusion are at the heart of everything we do.

The Opportunity

Tullow is offering an exciting opportunity within the Jubilee Field Developments team. We are looking for a dynamic Lead Development Geologist to join us on a Permanent (hybrid) basis, located at our office in Chiswick, UK.

Job Purpose

This role will provide geological support within the Jubilee subsurface development team, to include geomodelling, infill well planning, support to well operations, geoscience data evaluation and integration, in support of development activities on the Jubilee deepwater oil field. The position requires close collaboration with subsurface, drilling, and operations teams, as well as engagement with joint venture partners.

Key Roles and Responsibilities

Geomodelling & Subsurface Characterization

• Develop, update and maintain 3D geological and reservoir models.
• Integrate seismic (including seismic attributes), well log, core, and production data to refine reservoir understanding.
• Quantify uncertainties and support scenario-based modelling for field development and infill well planning.
• Collaborate with reservoir engineers to ensure models are fit-for-purpose for simulation.
• In collaboration with team geoscientists and reservoir engineers, support and advise reservoir static model updates for history matching.

Infill Well Planning & Operations

• Identify and mature infill drilling opportunities to maximize recovery.
• Perform reservoir mapping, volumetrics, and risk assessments for proposed well locations.
• Recommend optimal well trajectories and targets in collaboration with drilling and subsurface teams.
• Support economic evaluations and reserves booking processes
• Provide geological input into well design, planning, and execution for deepwater operations.
• Support real-time drilling activities, including geosteering and formation evaluation using LWD/MWD data.

Collaboration & Stakeholder Engagement

• Prepare and present high-quality technical materials for partner meetings and assurance reviews.
• Interface with host government and regulatory bodies where required.

• Promote best practices in subsurface workflows.

Drive collaboration across geoscience, reservoir engineering, drilling, and operations teams.

Experience & Education

Degree in Geology or Geophysics

Masters level or greater preferred

Skills

• Strong expertise in deepwater depositional systems and reservoir geology.
• Advanced Petrel geomodelling skills
• Strong understanding of the impact of geology, and petrophysics, on reservoir dynamic behaviour in producing oil fields
• Experience in the application of workflows and model updates for history matching on late life producing assets.
• Proven experience in infill well planning and reservoir optimization.
• Solid understanding of drilling operations, well planning, and geosteering workflows.
• Ability to integrate multidisciplinary datasets into coherent geological interpretations.
• Strong analytical, problem-solving, and decision-making skills.
• Effective communication skills, with the ability to influence technical and non-technical stakeholders.
• Experience working in cross-functional, multicultural teams

What we Offer

Tullow offer a competitive reward package of base salary, incentives and benefits which is designed to attract, retain, and motivate the best talent.

• Hybrid working model
• Flexible hours to help you balance work and life commitments
• A performance-driven culture that rewards results and innovation
• A strong commitment to your development , including tailored learning programmes and mentoring
• The opportunity to make a real impact , working alongside dedicated experts across functions
• A genuinely inclusive and diverse environment where every voice is valued
• Competitive remuneration , performance-linked incentives and comprehensive benefits

We believe in building long-term, mutually beneficial relationships with our people. Tullow offer an opportunity to broaden your horizons, grow your network and have the support you need to thrive.

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