Well control at surface.
Circulates fluid out of the tubing after a test.
Compensation for string length changes.
Establish communication between the annulus and the tubing.
Houses four down hole gauges.
Annulus pressure operated multi-cycle ball valve to control flows and shut-ins.
Two cycle ball valve.
The Gauge Carrier has been designed as a single body type carrier capable of housing four electronic memory pressure/temperature gauges capable of monitoring either tubing or annulus pressures.
Delivers an upward shock to help free stuck tools in the well bore.
Two stage disconnect with torque-through capabilities.
Compression-set retrievable service packer.
