1. Technical Briefing
Kent Wells: Thursday June 10th, 2010

2. LMRP Cap Oil collection
70,000 80,000
73,300
Cumulative
70,000
60,000
57,500
Cumulative 60,000
50,000
50,000
Cumulative Barrels
Barrels per day
42,500
40,000 Cumulative
40,000
30,000
27,700
Cumulative 30,000
20,000
16,600
Cumulative 20,000
15,800
6,100 14,800 15,000 per day
10,000 per day
Cumulative per day 10,000
10,500 11,100
per day per day
6,100
per day
- -
June 4th June 5th June 6th June 7th June 8th June 9th
Cumulative barrels Barrels/day

3. Lightering – Transferring Oil from Enterprise to
Massachusetts (and Ultimately to Shore)
Discoverer
Enterprise
Q4000
Massachusetts
Tanker

4. LMRP Cap with Q4000 Direct Connect
(up to 28,000 BOPD combined capacity)

5. Q4000 Direct Connect
• Q4000 reconfigured for Direct Connect:
 Top Kill equipment replaced with production
equipment
 5,000 – 10,000 barrels of oil per day capacity
• Flare both oil & gas via ‘EverGreen’ burner – used
globally but new to GoM

6. Dual Long Term Containment
Helix Producer and
Helix Producer and
Toisa Pisces and Loch
Toisa Pisces and Loch Evi Knutsen or Juanita Tanker
Evi Knutsen or Juanita Tanker
Rannoch Tanker
Rannoch Tanker
#2 Floating
#2 Floating
Riser
Riser
#1 Floating
#1 Floating
Riser
Riser
Subsea
Subsea
Dispersant and
Dispersant and
Hydrate Inhibition
Hydrate Inhibition
Capability
Capability

7. Surface: Key Vessels
Production Vessels Storage Tanker Support
Toisa Pisces
Loch Rannoch
Plus 2 Additional Tankers:
Evi Knutsen and Juanita
Helix Producer

8. Subsea Equipment Fabrication Underway
Air Can #1
Air Can #1 Suction Piles
Suction Piles
26’ Diameter
26’ Diameter 14’ Diameter
14’ Diameter
45’ Long
45’ Long 90’ Long
90’ Long
New Manifold
New Manifold
49’ x 25’ x 11’
49’ x 25’ x 11’
45 Tons
45 Tons
Overshot Tool
Overshot Tool
58” Diameter
58” Diameter
34’ Tall, 75 Tons
34’ Tall, 75 Tons

9. Creating Redundancy & Optionality
• Discoverer Clear Leader
• Enterprise-Class
Drillship
• Up to 20,000 barrels per
day capacity
• 124,000 barrels oil
storage capacity

10. Timeline and Associated Vessels
June July
1st 15th 1st 15th
(15 - 18) (5 - 10) (15 - 18) = Oil Capacity per Day
LMRP Cap: Near Term
Discoverer Enterprise Containment #1:
w/ Tanker Support Q4000 Direct Connect
(Massachusetts and
Overseas Cascade) (20 - 25) (20 - 25)
Long Term Long Term
Containment #1: Containment #2:
Toisa Picses FPSO w/ Helix Producer w/ Evi
Loch Rannoch Tanker Knutsen or Juanita Tanker
Creating Redundancy
Discoverer Clear Leader
Multiple Options
- Kill Line Connection (5 -10)
- Replacement Vessel (up to 20)