• Durable seal design is highly reliable
• Selective opening feature opens collar by turning the casing or tubing to the right and slacking off
• Full Bore ID whether the operator decides to use it or not
• Closed in tension
• Available with premium threading
• Highly reliable in open and closing cycles
• Mechanically locked shut after opening
• Two stage cementing of casing or tubing with no drill out
• Can be used close to the surface
Mechanical Rotary
Port Collar with
Control Lug