1. KCAD RAS Campaign Grane 2009 Well G-18 & G-19 Installation of 4 ½” screen in underbalance

2. Scope / History
Well 25/11-G-18 was drilled nov The well has 7” Bakerweld 140 Screens and swell packers. The well is producing gas from the “heal” and this prevent producing oil from the “toe”. It is important to achieve controlled inflow profile in G-18 and G-19 to be able to produce the oil from the “toe”.
This will be done by installing approximately 2100 m 4,5” ICD inner screens with RCP valves in the horizontal section, WHP appx 110Bar
The objective is to perform the operations without killing the well. To achieve this, a RAS (Rig Assist Snubbing) system will be utilised. The Snubbing pipe is 3,5” OD tbg and will be jacked down from drill floor by using RAS.
Stripper rubber/Stripper Rams will be installed between drill floor and cathedral deck. Stripper rubber/Stripper rams will hold the pressure from below while stripping through
Well will be on production / flowing 50m3 oil / gas during operation

3. Summary of planned operations G-18
Spot the snubbing equipment on pipe deck and cathedral deck.
Rig-up and function test the snubbing equipment
SIH using RAS and 3 ½” TBG and drift/clean well to TD (4634 m MD) with 5,80” drift
SIH and install Baker TTRBP 3 3/8” inflatable bridge plug at 2160 m MD.
Wash tubing above plug and displace to 1,03 sg inhibited sea water
SIH with approx 2100 m 4 ½” screens with RCP valves and pulling tool for the TTRBP in the end.
Pull the TTRBP free and continue SIH with screens to TD.
Set the liner hanger packer.
Pull out of hole with the 3 ½” TBG.
Nipple down the snubbing BOP and riser.

4. Summary of planned operations G-19
Skid the rig to G-19
Rig-up and function test the snubbing equipment
SIH using RAS and 3 ½” Tbg and mill cement from 3053m MD to TD (4634 m MD)
SIH and install Baker TTRBP 3 3/8” inflatable bridge plug at 2080 m MD.
Wash the tubing above plug and displace to 1,03 sg inhibited sea water
SIH with approx 2000 m 4 ½” screens with RCP/ICD valves and pulling tool for the TTRBP in the end.
Pull the TTRBP free and continue SIH with screens to TD.
Set the liner hanger packer.
Pull out of hole with the 3 ½” Tbg.
Nipple down the snubbing BOP’s and riser.
Demob

5. Illustration of run sequence G-18
1 run – wash and drift well
2 run – install plug and displace to kill fluid over plug
3 run – install 4 ½” screen section inside existing 7”screen

6. SIH to TD to verify drift
1 run – wash and drift well
SIH to in live well to TD
Start washing and POOH
SIH to TD to verify drift
POOH

7. RIH to in live well to 2160m MD Install plug
2 run – install plug and displace to kill fluid over plug
RIH to in live well to 2160m MD
Install plug
Displace to kill fluid over plug
POOH
plug

8. SIH with screen and latch onto plug Install Stripper rubber
3 run – install 4 ½” screen section inside existing 7”screen
SIH with screen and latch onto plug
Install Stripper rubber
Equalize pressure over plug and deflate same
SIH with screen on work string to TD
Sett liner hanger and pressure test same
POOH
Liner
hanger
Equalize pressure
4 ½” screens installed in 7” screen