Sentences with downhole safety valve
down·hole safe·ty valve
D d - The main function of the downhole safety valve in a well is to contain that well in a safe condition in the event of a catastrophe.Control valves start with the downhole safety valve which is used to shut in the flow in an emergency.A downhole safety valve is a piece of safety equipment used inside a well, which isolates wellbore pressure and fluid if something bad happens.