GP Tool Positions

Cased Hole Sand Exclusion
GP Tool Positions
Joe Alexander
PE-TC1-NXT-31530
QUANTUM PACKER ASSEMBLY
Service Tool
Quantum Packer
Circulating Ports
G.P. Extension
Ball Seat
Crossover Ports
Closing Sleeve
Lower Seal Bore
Check Valve
Indicating Collet
Indicating Collar
Flapper Valve
Safety Shear Sub
Wash Pipe
Perforations
Blank Pipe
Screen
PBR
Sump Packer
Seal Assembly
Copyright ©2011 NExT. All rights reserved
SETTING THE QUANTUM
Service Tool
1. Packer at Set Depth
- Drop Ball
- Apply Pressure, set begins
at 1,000 - 1,200 psi
- Pressure Test Annulus and
pull test to test set.
Quantum Packer
Set Postion
2. Release Service Tool
- Apply 2,200 - 2,400 psi
- Slack off 15K down
- Pick up
3. Ball Seat Still in Place
Copyright ©2011 NExT. All rights reserved
Ball Seated
on Ball Seat
“Fluted” Crossover
Sub
SERVICE TOOL OPERATIONS
Blowing the Ball Seat (Opening Crossover Ports)
Pick up to the
reverse-out position
- Pressure Drill Pipe
to 3,750 - 4,000 psi
- Ball seat shifts and
pressure is vented
to the annulus.
Formation is isolated
from pressure spike.
Ball Seat is
Shifted Open
- Fluids are spotted
in this position.
Collet Indicates
at Upper Packer
Seal Bore Shoulder
Collet Drags the
Port Closure Sleeve
Into Closed Position
Copyright ©2011 NExT. All rights reserved
SERVICE TOOL OPERATIONS
Circulating Position
To Reach Circulating Position
- Pick up 18 inches at the
tool or until collet indicator
causes 15K increase in
hook load
Circulating Ports
are Open
- Circulatingexit ports are
now above packer bore.
- All circulating fluids must
flow through the screen,
upwrd through the wash
pipe and exit to the
annulus.
Check Valve
Allows Only
Upward Flow
Collet Indicator
15K up
5 K down
Copyright ©2011 NExT. All rights reserved
SERVICE TOOL OPERATIONS
Reversing Out
To Reverse Out:
- Apply enough annular
pressure to overcome
hydrostatic in the pipe.
Typically 500 psi.
- Pick up service tool until
pressure falls off. This
occurs when crossover
port clears the top of
the upper packer bore.
- Continue pumping
Check Valve Closed
- Check valve prevents
slurry from entering the
inside of the washpipe.
- If annular fluid density is
greater than the D.P.
fluid density, 500 psi back
pressure must be trapped
on the tubing side to keep
check valve closed.
Copyright ©2011 NExT. All rights reserved
Lower Set of Seals
Still in Packer Bore
Port Closure Sleeve
Is Closed
Squeeze Position
Annular Pressure
Monitored with
Hydril Closed
Service Tool
(with setdown weight)
Quantum Packer
Set Postion
Crossover Port
To Perforations
Copyright ©2011 NExT. All rights reserved