A subsea blowout preventer (BOP) is a crucial safety device used in offshore drilling operations. It is designed to prevent uncontrolled releases of oil and gas from a well, known as blowouts. The BOP is installed on the seabed and can quickly seal the well in case of an emergency, protecting both the environment and drilling personnel. These devices are equipped with various mechanisms, such as hydraulic rams and valves, to control the flow of fluids. When a blowout occurs, the subsea BOP can be activated remotely, allowing operators to manage the situation effectively. This technology is vital for safe drilling in deep water, where risks are higher.