Reservoir simulation using ECLIPSE SLB is a critical and sophisticated discipline within the realm of petroleum engineering. ECLIPSE, developed by Schlumberger, stands as a premier reservoir simulation software that plays a pivotal role in understanding and optimizing hydrocarbon reservoir behavior. This advanced tool employs numerical models to simulate the complex interactions between rock, fluid, and wellbore dynamics, offering invaluable insights into the reservoir's performance over time. In this course, we delve into the principles, methodologies, and practical applications of reservoir simulation, focusing specifically on the capabilities and features provided by ECLIPSE SLB. From fluid flow dynamics to well performance analysis, participants will gain a comprehensive understanding of how to harness the power of ECLIPSE for effective reservoir management and decision-making in the oil and gas industry.