Annulus Safety Valve (ASV)
DeepWiki – The well service authority

The ASV is mainly installed in gas lift wells, and preferably at a shallow depht to minimize the amount volume of gas above the ASV.
It have also been used at TLP oil rigs.

Annulus Safety Valve (ASV) is a gas flow barrier in annulus.
Annulus Safety Valve consists of a packer with an opening (Micro annulus). The valve is surface operated, It is a “fail-safe close” device for annular flow.

For more detailed information and history of the ASV click here:



Statoil bp ConocoPhillips Statoil Wintershall Lundin Norway Maersk Oil Baker Hughes Det Norske Oljeselskap

Husoyveien 171, 4262 Avaldsnes Tel.: (+47) 52 70 10 20 Fax: (+47) 52 70 10 21 Dutyphone: (+47) 488 98 030 Back to top