FUNCTION:
——to equalize pressure between annular space above packer and tubing body.
APPLICATION:
——used together with packers of any type during the manufacturing operations for pressure equalization and creating circulation between annular space above packer and the tubing body before release of the packer.
DESIGN FEATURES:
——controlled by axial manipulation of the tubing;
——face-type seal;
——device is reusable during one-round trip.
ADVANTAGES:
——provides an easy release of the packer after packer-setting operation;
——opens and closes automatically when setting and releasing;
——transmits turning torque to the equipment installed below;
——adjustable first actuation pressure force.
SPECIFICATIONS:
——operating environment: oil, gas, gas condensate, produced water;
——maximum operating environmental temperature 100°С*.