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SBOP Drilling History
Slide 2
6722
9473
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000F
eb-9
6
Jun-9
6
Oct -
96
Feb-9
7
Jun-9
7
Oct -
97
Feb-9
8
Jun-9
8
Oct -
98
Feb-9
9
Jun-9
9
Oct -
99
Feb-0
0
Jun-0
0
Oct -
00
Jan-0
1
Ma
y-01
Sep-0
1
Jan-0
2
Ma
y-02
Sep-0
2
Jan-0
3
Ma
y-03
Sep-0
3
Jan-0
4
Ma
y-04
Sep-0
4
Jan-0
5
Ma
y-05
Sep-0
5
Jan-0
6
Ma
y-06
Aug-0
6
Dec-0
6
Apr -
07
Aug-0
7
Dec-0
7
Apr -
08
Aug-0
8
Dec-0
8
Apr -
09
Aug-0
9
Dec-0
9
Apr -
10
Aug-1
0
Dec-1
0
Year
Wate
r D
ep
th (
ft)
Sedco 602
Actinia
Sedco 601
Arctic I
6722
9473
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000F
eb-9
6
Jun-9
6
Oct -
96
Feb-9
7
Jun-9
7
Oct -
97
Feb-9
8
Jun-9
8
Oct -
98
Feb-9
9
Jun-9
9
Oct -
99
Feb-0
0
Jun-0
0
Oct -
00
Jan-0
1
Ma
y-01
Sep-0
1
Jan-0
2
Ma
y-02
Sep-0
2
Jan-0
3
Ma
y-03
Sep-0
3
Jan-0
4
Ma
y-04
Sep-0
4
Jan-0
5
Ma
y-05
Sep-0
5
Jan-0
6
Ma
y-06
Aug-0
6
Dec-0
6
Apr -
07
Aug-0
7
Dec-0
7
Apr -
08
Aug-0
8
Dec-0
8
Apr -
09
Aug-0
9
Dec-0
9
Apr -
10
Aug-1
0
Dec-1
0
Year
Wate
r D
ep
th (
ft)
Sedco 602
Actinia
Sedco 601
Arctic I
Stena Tay
Deep Venture(DS)
With
SID
Stena Clyde
Ocean Baroness
Brazil-
Shell
Brazil-
Shell
Myanmar-
Daewoo
Eq Guinea-Ophir
Brunei-
Shell
Unocal
- Asia
Sarawak-
Shell
Egypt-Shell
Indonesia-
Total
China -
Chevron
Indonesia
-Santos
Phoenix (DS)
Malaysia-
Shell
Slide 3
SBOP Drilling History
"La Jamais Contente", first automobile to reach 100 km/h
1899
Powered by an all-electric engine……!
Slide 4
SBOP Drilling History
• In 2000’s
– Successful and Promising
– Involvement from Operator and Contractor
– Lack of deep-water MODUs
• But in 2010’s…
– Operator & Contractor bought out
– Industry protectionism
– Deep-water Fleet Expansion
Slide 5
Typical Well Schematic
CONVENTIONAL SBOP - DP SBOP - Moored
8.5”
hole
9”5/8
Liner
13”5/8BOP 13”5/8BOP
SID
13”3/8
Csg
21”
Marine
Riser
WH
+36”
13”3/8
HP Csg
Riser
18”3/4 BOP
LMRP
Slide 6
Risk Analysis – Fault Tree
Blowout
&
Kick BOP
Fails
to
Close
&
Small
Kick
BOP
Closed
Too Late
Kick
or no
Margin
Riser
Failure
&
Kick C&K
System
Failure
&
Kick Shoe
Failure
OR
&
Burst & Collapse
Impact & Collision
Extreme Weather
Mooring line failure
OR
Loss of position
Fatigue: Storm and VIV
Wear
Tensioner loss
Slide 7
Risk Analysis – Risk of Blowout B
low
ou
t F
req
ue
nc
y p
er
we
ll
Surface Subsea Surface with SID
Blowout Frequency Comparison
Seabed
Riser Failure
BOP Delayed
BOP Fails
S
c
a
r
e
c
r
o
w
S
i
l
e
n
c
e
Slide 9 SBOP with PRE-INSTALLED MOORING
10 YRP or 100 YRP
WIND
WAVE
CURRENT
SE-ASIA
Intact and
Broken Line
Mud and Well
Control
Pressure
API-RP-
2SK,2T,17G
Slide 10
10 YRP from N Broken
Line L1
4.0% Offset
65% YS
54% MBL
11.5’ Stroke out
N
MASP 6000psi
In the Ground
90 Ksi
(72%YS)
Combined Mooring & Riser Analysis
Slide 11
• Sponsor: Involvement from Operator
• Opportunity (Nbr of wells)
• Development of a Simple SID
SBOP – ASIA
Future?