Systems / Completion / Pre-Perforating
Operation
- Run in hole to desired depth straddling the packers over the intended stim zone.
- Circulate through the VCV at specified rate.
- Activate Packers by flowing at specified rate to close VCV & within the rate window for zonal stimulation.
- To deactivate packers, simply kick out the pumps. The packers will retract to their original position.
- Allow time for annular equalization and pull to the next stage.
- Repeat Activation, Stimulation, and Deactivation sequence for all intended zones.
- When stages are complete, pull out of hole.
Bottom hole assembly
- Unloader Sub (ULS)
to unload internal pressure and allow the annulus and tubing to equalize for retraction of the Gator.
- GATOR PERFORATOR
Hydro-Mechanical Perforator
More about the Gator Perforator → - Velocity Control Valve
Pump above 200 L/min closes valve