AV Annular Safety Valve Introduction and Operation

The AV annulus safety valve is a fully retrievable, high-performance annulus safety system packer with an integral annulus safety valve (ASV). The system provides controlled annular bypass through a hydraulically operated poppet valve.
The AV system is run in a single trip in conjunction with a communication sub that can be shifted for hydraulic tubing-set or can be alternatively control-line set from surface.
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