Designing an Oil Diplomacy Diversification Model: Assessing the Shift from Petroleum Influence to Broader Economic Engagement

Global dependence on petroleum exports has long shaped diplomatic relations and economic strategies among oil-producing nations. However, the volatility of oil markets, climate change imperatives, and the accelerating global energy transition are prompting states to reimagine their foreign policy frameworks through economic diversification. This review examines the design of an Oil Diplomacy Diversification Model (ODDM) that redefines traditional petroleum-based diplomacy into a multifaceted approach emphasizing technology exchange, renewable energy cooperation, trade expansion, and sustainable development. Drawing on case studies from countries such as Norway, Saudi Arabia, and Nigeria, the paper explores how strategic investments in non-oil sectors—such as digital innovation, manufacturing, and services—can strengthen global partnerships and resilience against market shocks. The model integrates economic diplomacy, energy policy, and international relations theory to propose a framework for adaptive statecraft in a post-petroleum era. It further evaluates institutional mechanisms, regional collaboration, and public–private partnerships that facilitate economic transformation while maintaining geopolitical relevance. By aligning foreign policy objectives with sustainable diversification goals, this paper provides a roadmap for nations to transition from oil dependency toward inclusive, innovation-driven diplomacy that balances economic growth, environmental responsibility, and international cooperation.