MST TOOL POSITION

DURING GRAVEL PACK OPERATION

Note: → = Flow from Workstring → = Flow from Annulus

PROHIBITED POSITION PICK UP SET DOWN REVERSE OUT DUMP SEAL

DURING M/U FRACHEAD (Mark “P” on pipe) (Mark “S” on pipe) (Mark “R” on pipe) (6.5m above mark “P”)

Screen

MSV MSV MSV MSV MSV

Close Close Close Close Close

Autolocator

Upper Inv.
CV
Seal Close

Iso
Packer

MSGP MSGP MSGP MSGP MSGP MSGP

Open Open Open Open Close

Lower Inv.
Seal
CV
Close
CV CV
Indicator Close CV
Open

Blank Pipe

Screen

MSV MSV
MSV MSV Open
Open MSV
Open Open
Open

MSV
Open

PROHIBITED POSITION PICK UP SET DOWN REVERSE OUT DUMP SEAL

Monitor loss after Treatment /
SCS Personnel to Notify Driller Service Tool locate Autolocator Position Service Tool for SRT Test / GP Job Reverse out proppant from workstring
Well on Stand-by Mode
- Position while Locate Autolocator
- Avoid this position for Well Stand-by - Overpull (5 – 10T) observed when - Set down weight (15 – 20T). - Mark “R” is 1.8m above Mark “P” - Dump Seal is 6.5m above Mark “P”
(Make up Frac Head / Chiksan Loop). profile on service tool locates - During Gravel Pack treatment, return (Pick Up position). (Pick Up position).
- With above position, service tool has Autolocator. taken from micro-annulus to annulus - Frac port above Upper Inverted Seal. - No seal between outer & inner string.
no open flow path from trip tank to
formation during stand-by period. Circulating Valve (CV) on Closing Tool Circulating Valve on Closing Tool OPEN Circulating Valve on Closing Tool CLOSED Circulating Valve on Closing Tool CLOSED
CLOSED

- Annulus to Drill pipe: ISOLATED - Annulus to Drill pipe: ISOLATED - Annulus to Drill pipe: ACCESSIBLE - Annulus to Drill pipe: OPEN - Annulus to Drill pipe: OPEN
- Annulus to Formation: ISOLATED - Annulus to Formation: ISOLATED - Annulus to Formation: OPEN - Annulus to Formation: ISOLATED - Annulus to Formation: OPEN
- Drill pipe to Formation: OPEN - Drill pipe to Formation: OPEN - Drill pipe to Formation: OPEN - Drill pipe to Formation: ISOLATED - Drill pipe to Formation: OPEN

NOTE: Well Control / Barrier: Well Control / Barrier: Well Control / Barrier: Well Control / Barrier:
- Ensure min. 1m Stick Out from “S”
Mark Space Out for Make Up Frachead - Blow Out Preventer (Annulus) - Blow Out Preventer (Annulus) - Blow Out Preventer (Annulus) - Blow Out Preventer (Annulus)
and Chiksan Loop. - Hydrostatic Well Fluid (Workstring) - Hydrostatic Well Fluid (Annulus) - Trip Tank (Annulus) - Hydrostatic Well Fluid (Annulus)
- With above position, service tool has - Trip Tank (Annulus) - Inverted Seal & Service Tool (Annulus/ - Trip Tank (Annulus)
open flow path from trip tank to formation - Hydrostatic Well Fluid (Workstring) Workstring) - Hydrostatic Well Fluid (Workstring)
during stand-by period. - Frac Head (Workstring) - Frac Head (Workstring) - Frac Head (Workstring)
Rev.4 dated 8-Sept-2015