| The T654 HS-4 Isolation Packer
is a hydraulic set, single string tandem packer used in multiple zone wells. The
T654 HS-4 is used as the upper packer in multiple zone applications. Setting: Run to setting depth, apply tubing pressure to set. Releasing: Applied tension will shear brass release screws allowing elements to relax. Tool can be pulled from the well at this point.
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