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Deepwater Horizon Subsea Containment

and Relief Wells

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Source Control Strategy and Forward Plan

Run a Safe Operation

Short Term Containment

Work within UAC structure

Levera e Industr and GovernmentExpertise

Multiple Parallel Options

2

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Containment: Near Term

3

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Free Standing Riser Containment Equipment

Helix Producer Air Can in Moonpool

Toisa Pisces

Loch RannochSubsea Manifold

New Manifold

49 x 25 x 11

45 Tons

New Manifold

49 x 25 x 11

45 Tons

Suction Piles

14 Diameter

90 Long

Suction Piles

14 Diameter

90 Long

4

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Sealing Cap Installation

41

Install 3 RamStack

RemoveLMRP Cap

Install FlangeTransition Total Sealin Ca

3

5

Unbolt & Remove Flangew/ Overshot Tool

Spool on Flex Joint2

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Containment: Mid July OnwardsCapacity 60 80 mbd

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Relief Wells Schematic

DD-III SE

20002800

DD-II MacondoSW

30200

3636365,000

Casing

Point

28

22

28

22

18

28

22

16

13-5/8

16

13-5/8

18

16

13-5/8

10,000

11-7/8

9-7/8 Target9-7/8

11-7/8

Reservoir

15,000

7

7

20,000

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Overall Well Path

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Prepare for Intercept

ElectromagneticField

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