Oil Well Testing Super Safety Valve High Pressure DST Working String The Super Safety Valve is the BOP safety valve applied for testing operations from jack-up or land rigs. It can rapidly closes the test string in an emergency, serves as a fail safe ...
Oil Well Testing Super Safety Valve High Pressure DST Working String The Super Safety Valve is the BOP safety valve applied for testing operations from jack-up or land rigs. It can rapidly closes the test string in an emergency, serves as a fail safe ... more