This paper explores the transformative potential of digitalization in optimizing operations within marginal oil and gas fields. It delves into how advancements in digital technologies are revolutionizing traditional field management approaches, enabling real-time monitoring, predictive maintenance, and data-driven decision-making. By leveraging digital tools such as IoT, AI, and data analytics, the paper aims to enhance technical and operational efficiency while minimizing costs and maximizing productivity in marginal field operations. Through case studies and industry insights, it elucidates the benefits of digitalization in overcoming operational challenges and achieving excellence in resource extraction from marginal fields. The study underscores the importance of embracing digital innovation as a strategic imperative for maximizing the potential of marginal field assets in the energy industry.