Master Surface Annulus Safety Valve
Master Surface Annulus Safety Valve (MSAS™): Enhanced protection against uncontrolled annular release including dropped objects.
This product can be used in:
The Product
The Master Surface Annulus Safety Valve (MSAS™)
The MSAS™ fail-safe close barrier valve is the only integrity-valve solution that delivers independent double barrier integrity at wellhead side outlets. The MSAS™ mitigates the risk of uncontrolled release of annular content from leaks or accidents, including dropped objects. The product family has an excellent track record since its introduction in 2008.
Application
Gas lifted, gas vented or wells with sustained annulus pressure pose a considerable risk to personnel and facilities. In these applications annulus gate valves and ring gaskets are the primary well barriers. Gate valves provide only a single barrier, which can be breached upon impact or collision.
The MSAS™ provides an additional independent barrier in the wellhead VR profile. The MSAS™ is hydraulically operated and connected to an electronic setting device. Should an impact or collision take place, the API 6FD/FB fire tested barrier valve locked in the VR profile will close and remain within the wellhead, thus securing the pressurised annular volume.
The MSAS™ system can be integrated in an API gate valve (MSAS-G™) and has a smaller footprint as the valve actuator is installed within the gate valve bore.
Features & Benefits
- Based on API 6A
- Fire tested to API 6FD & 6FB
- BIdirectional flow
- For gas injection and annulus venting applications
- Fail safe close barrier valve
- Independent barrier
- NORSOK D-010 compliant
- Enhances well integrity
- Can be used to substitute the annular safety valve or downhole gas vent valve, or similar down hole barrier
- Eliminates the need for an ESD gate valve
- Easy installation and service, even in live wells
- No piping midification required
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Adaptability
Application Areas
Annulus Pressure Management
Interwell’s annulus pressure monitoring and management system provides a cost-effective and reliable system for continuous pressure and temperature monitoring, and pressure management applications.