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ABSTRACT
In the context of infinite active flow, this thesis explores the complex relationship between the vertical well productivity index and the reservoir border inclination angle. The inclination angle at reservoir borders is a crucial geological feature that significantly impacts the dynamics of fluid flow and the well's subsequent performance. Using a multidisciplinary method that combines numerical models and advanced reservoir engineering tools, this work systematically investigates how boundary angle variations affect vertical well productivity. The study clarifies how variations in boundary angles affect pressure distribution, fluid displacement efficiency, and final recovery rates by thorough analysis. Additionally, this study examines how border inclination affects well location tactics, providing insightful information for reservoir development plan optimization. Through the advancement of knowledge regarding these intricate interactions, this research helps to improve the efficiency of hydrocarbon recovery in various geological settings, which in turn promotes sustainable methods of energy exploration and production. Dimensionless pressure was calculated using the superposition principle, and the results were utilised to compute the productivity index. The productive life of the well was then determined by plotting the PI graph against Dimensionless time.
