Modeling and simulation in petroleum engineering are essential tools for analyzing and understanding reservoir performance and production operations. This course equips trainees with the skills needed to apply digital modeling and simulation techniques to enhance oil and gas extraction and reduce operational risks. The course covers model design principles, data analysis, software applications, and key simulation uses in reservoir evaluation and well maintenance. It aims to develop data-driven decision-making abilities to maximize production and improve efficiency in the oil industry. Additionally, it addresses technical challenges and recent innovations to prepare participants for modern market demands.