A 3-1/2″ IF (Internal Flush) 10M (10,000 psi Working Pressure) Safety Valve, often referred to as a Full Opening Safety Valve (FOSV) or Inside BOP (IBOP), is a critical downhole tool designed for oil and gas drilling operations.
Key Features and Specifications:
Size: 3-1/2″ Inch
Connection: IF (Internal Flush) – commonly matched with NC38 connections.
Pressure Rating: 10M (10,000 PSI Working Pressure).
Type: Ball-type, full bore design allows for maximum flow and passage of wireline tools.
Function: Stabbed into the top joint of drill pipe or tubing at the rig floor to prevent blowouts (well kicks).
Operation: Quick-acting (quarter-turn) with an included operating wrench.