
Our services
At Sej Duc Engineering Nigeria Limited, we specialize in providing top-tier assets management and development services tailored for the Oil and Gas Exploration & Production (E&P) sector in Nigeria. With a deep understanding of the unique challenges and demands of the industry, we offer comprehensive solutions that ensure operational efficiency, safety, and long-term sustainability for your oil and gas operations.
Our services are designed to meet the growing energy demands of Nigeria and beyond while maintaining the highest standards of safety, efficiency, and environmental responsibility.

Assets Management & Development
We help maximize the value of oil and gas fields through strategic planning, risk management, and operational efficiency.
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Exploration Drilling
Utilizing cutting-edge geoscience techniques to locate Nigeria's untapped energy reserves, we create long-term solutions for energy security.
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Oil & Gas Production Operation
Efficient, responsible extraction of energy resources, ensuring reliable energy supply to global markets while prioritizing environmental protection.
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Engineering
At Sej Duc Engineering Limited, we provide a comprehensive range of engineering services designed to meet the evolving needs of the oil & gas, infrastructure, and construction sectors.
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Crude Oil Haulage
We specialize in hauling oil from the oilfields to the terminal, ensuring safe and efficient transportation of crude oil to global markets.
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Well Intervention
We offer a wide range of well intervention solutions aimed at improving well performance and resolving production issues, ensuring their long-term success.
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First Line and Second Line Well Head Repairs
We provide comprehensive well head repairs services, ensuring that your well remains functional and safe.
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Wells Slots and Location Desilting and Dredging
We offer well slot and location dredging services to ensure the access, safety, quality and efficiency of movements to and fro well slots and location in the swamp and marine oil fields.
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Wells, Reservoir and Field Management Studies
We provide well, reservoir, and field management studies to optimize your oil and gas operations and ensure long-term success.
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Field Development Plan (FDP) Studies
We provide field development plan (FDP) studies to help you plan and develop your oil field effectively.
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Slickline Operations
We carry out Slickline Operation to support well drilling, Reservoir zone changes, Static and Dynamic BHP data acquisition, Support to Carbon Oxygen logging, by carrying out drift running to establish hold up depths, Opening and Shutting of Down Hole Valves (NRVs), installation of down hole valves, Fishing operations service, Dewaxing operations etc.
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Technical personnel supply
We supply personnel such as well site geologists, well engineers (DSVs, ADSVs), safety officers, logistics officers, QAQC officers, project engineers, etc.
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