Subsurface Safety Valve (SSSV) Guide
A subsurface safety valve (SSSV) is a downhole safety device installed in a well that can be closed in emergencies. An emergency may arise on or around a well from equipment failure, human error, collision with an offshore facility by a third-party vessel, fire, leaks, or sabotage.

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Why Do We Need Subsurface Safety Valves?

The main reason for using a downhole subsurface safety valve is to protect the site and off-site personnel, surface facilities (
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