The Nigerian energy sector has witnessed a significant transformation due to the divestment of International Oil Companies (IOCs) from onshore and shallow water oil assets. Driven by factors such as the global shift towards cleaner energy, security concerns, and regulatory changes, IOCs have divested assets worth approximately $21 billion as of 2023. Historically, IOCs like Shell, Chevron, and Total Energies played a dominant role in Nigeria’s petroleum industry, contributing significantly to the nation’s GDP and export earnings. However, their exit from their onshore and shallow water assets poses challenges and opportunities for the Nigerian economy and local oil companies, known as Domestic Oil Companies (DOCs). DOCs have gained experience over the years and are now taking over marginal fields divested by IOCs, boosting production in previously underutilized assets. Although DOCs now control 30% of national oil production, DOCs are still faced with challenges like technical limitations, financial constraints, and environmental risks. This study examines the implications of these divestments and the benefits of divestment to the industry, government and academia. The divestment creates opportunities for academia, fostering research collaborations and innovation within Nigeria's universities, and the development of indigenous technologies and solutions. Divestment also benefits the industry and government by providing an opportunity for local firms to drive the growth of the energy sector.