Jackup Strategy Richard Roper Sr. Director Capital Projects April 11, 2012 1
Jackup Strategy Jackup Orders 120 100 Build Boom 80 Early 80s Followed by Continuation of Recession Build Cycle 60 Financial Next Build Crisis Boom 40 20 0 Indep. Leg JU Mat JU 2 Source: ODS-Petrodata
Jackup Strategy New construction Design for maximum prospectivity Measured by North Sea area of operability With step changes Environmental resistance Operating area in North Sea By-products Deepwater West Africa Hurricane…
ENSCO 120 Series Jackups Main Dimension Length 246 ft Breadth 250 ft Depth 31 ft Leg Spacing 156 ft trans. X 150 ft long. Legs 3 x 540 ft Chord Spacing 45 ft Cantilever Envelope Max 80 x 32 ft Capabilities Variable Deck…
North Sea Areas of Operability by Design 500000 N. Sea Areas of Operability (km2) 450000 400000 350000 300000 Hard Soil 250000 Soft Soil 200000 Ultra Harsh Harsh Environment Non-Harsh 5
Expanded North Sea Operability ENSCO 120 Series North Sea Operability Map 6
Hurricane Survivability Assessment Results GOM Hurricane Survivability - High Fixity Case 300 138 E120 91 Return Period of Survivability (yrs) 50 Wind Speed (knts) Circa. 2000 112 DesignE105 B 78 Hmax (ft) 15 Circa.…
Step Change Improvements vs. Current Fleet Major Items Hoisting = 2.5M (1st) vs. 1.5M on most rigs (2M on ENSCO 109) Derrick = quad vs. triple racking capacity: 10,000 6-5/8, 25,000 5-7/8, 12 stands 9-1/2 DCs, 7000 13-3/8 casing or…
E120 - Step Change in Cantilever Load Cantilever load chart with Ensco IP Cantilever load chart without Ensco IP 9
Wider/Deeper Drilling Capabilities 10
ENSCO 120 fly-around 11
ENSCO 120 Stand Building Animation 12
ENSCO 120 Tripping In Animation 13
North Sea Areas of Operability by Design 500000 N. Sea Area of Operability (km2) 450000 400000 350000 300000 Hard Soil 250000 Soft Soil 200000 Ultra Harsh Harsh Environment Non-Harsh 14
Ultra-Harsh Environment Jackup Design ENSCO 130 Series Main Dimension Length 266 ft Breadth 308 ft Leg Spacing 185 ft trans. x 160 ft long Depth 37 ft Leg length 3 x 600 ft Chord spacing 54 ft Cantilever Envelope Max 90 x…
ENSCO 130 Series North Sea ENSCO 130 Series Capable of working to 60 deg. N Block 9 17
ENSCO 130 Series North Sea Operability Rig : E130 Series Criteria : SNAME Hard soil : 131 m - approximate area with water depth < 131m : 438 540 km 18 Soft soil : 120 m - approximate area with water depth < 120m : 415 160 km
Summary All objectives of JU strategy have been / are being achieved Max. prospectivity With technical step changes At max. value for money/ROI While retaining competitive edges long-term ENSCO 120 Series represents a step-change…
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