This essay discusses the systems thinking and tools used in the context of BP Deepwater Horizon Oil Spill and Offshore Drilling. It emphasizes the failure of management and the importance of risk management plan. The essay presents different tools of systems thinking such as brainstorming tools, dynamic thinking tools, structural thinking tools, and computer-based tools. It also analyzes the reasons behind the incident and argues that the failure of management and the lack of risk management plan resulted in the blowout of the well. The essay concludes that regular evaluation of the processes and attention to the risks are necessary for the success of any project.