Principal Reservoir Engineer at WTS Energy

Job Description

• A Principal Reservoir Engineer role is available in Lagos, Nigeria, for an experienced subsurface professional.
• The purpose of the role is to provide reservoir engineering leadership and technical authority across the asset, ensuring that simulation, analytical modelling, well testing, reserves evaluation and field development planning are delivered to a consistently high standard.
• The position carries responsibility for waterflood, gas injection and gas condensate systems, and for managing the contracts and interfaces that underpin sound subsurface decisions.
• The successful candidate will combine deep technical expertise with clear communication in English to guide development decisions and support the wider subsurface team.

Main responsibilities

• Lead the construction and delivery of reservoir simulation models and analytical reservoir modelling, including material balance, decline curve analysis, pressure transient analysis and bottomhole pressure interpretation.
• Design and interpret well tests, and perform reserves calculation and classification.
• Carry out well modelling and performance assessment to support development decisions.
• Manage waterflood and gas injection activities and maintain well and reservoir surveillance.
• Contribute to field development planning, including gas condensate reservoir systems and gas field development.
• Manage contracts and interfaces with internal and external stakeholders.
• Communicate technical work clearly and effectively in English.

Required qualifications

• University degree in Engineering or equivalent
• 12-15 years relevant experience
• Minimum 10 years reservoir engineering experience in an operating company
• Reservoir simulation model construction experience
• Analytical reservoir modelling experience (material balance, DCA, PTA, BHP)
• Well test design and interpretation experience
• Reserves calculation and classification experience
• Well modelling and performance experience
• Waterflood and gas injection management experience
• Well and reservoir surveillance experience
• Field development planning experience
• Gas condensate reservoir systems and gas field development experience
• Contract management and managing interfaces experience
• Very good knowledge of the English language.