Subsurface Safety Valve
Completion ToolsDownhole well-control safety devices, certified to API 14A
Completion Tools
Subsurface Safety Valve
A Subsurface Safety Valve (SSSV) is a downhole, fail-safe valve installed within the production tubing of an oil or gas well, designed to automatically shut off hydrocarbon flow in the event of abnormal conditions such as surface equipment failure, wellhead damage or uncontrolled production.
Applications
Key Features
- 1Fail-safe closed design
- 2Wireline-retrievable and tubing-retrievable options
- 3Certified with API 14A
Types & Variants
Tubing Retrievable Safety Valve (TRSSSV)
Self-equalising, flapper-type safety valve installed below the surface as a surface-controlled subsurface safety valve (SCSSV). Normally closed, it is held open by hydraulic control pressure and closes automatically if that pressure is exhausted or lost.
Wireline Retrievable Safety Valve (WRSSV)
A surface-controlled, fail-safe downhole device installed in a landing nipple within the tubing string; retrievable and reinstallable via wireline, eliminating the need for costly tubing retrieval.
Engineering data (API 14A)
| Item | Value |
|---|---|
| Working Pressure | 5–20 kpsi |
| Temperature | 20–400°F |
| Size | 2-3/8"–7" |
| Certification | API 14A, tested at SWRI |
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