-
As a part of BHA
-
Disconnected by right rotation of the BHA;
-
Improved ID helps to pass most of logging tools
-
As a part of BHA
-
Hydraulicaly disconnected
-
Adjustable disconnection pressure
-
Allows rotation
-
As a part of BHA
-
Disconnected by pulling force (adjustable)
-
Allows rotation
-
Gas bypass from annulus to tubing (one way)
-
As a part of ESP completion
-
Killing of the wells
-
Provilsions for ESP cable
-
Bypass fluid to the tubing
-
Killing of the well
-
Hydraulicaly activated
-
Multiple open-close cycles in one run
-
As a part of BHA
-
Pass fluid from tubing to A annulus
-
Activated by excessive pressure to the tubing
-
Adjustable opening pressure
-
Single performance valve
-
As a part of packer BHA
-
Opens by applying of pulling force
-
Opening force can be set to desire value
-
Rotation transmitted through valve
-
Opens by applying of pulling force
-
Closed by setting force (axial movement)
-
Opening force can be adjusted
-
Allows rotation
-
Multiple-operational device