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Enbridge Offshore PipelinesEnbridge Offshore Pipelines

Natural Gas Infrastructure ConferenceHurricane Panel - Presented by David Halphen

Natural Gas Infrastructure ConferenceHurricane Panel - Presented by David Halphen

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TMOutlineOutline

Hurricane Timeline and Actions Undertaken

Current Status of Enbridge Offshore Facilities

Lessons Learned for Future Consideration

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TMTransmission and GatheringTransmission and Gathering

5 large supply aggregation corridor pipelines1482 miles – Enbridge operates 1000 mi4.7 BCF/D delivery capacity7 partnership pipelines – Enbridge operates 4Connecting deepwater developments in up to 6500 ft. of water depth

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DESTIN

Gulf of Mexico

GARDEN BANKS MANTA RAY

AUGER

ENCHILADA BULLWINKLE

MISS. CANYON

URSAMARS

NAUTILUS

Texas LouisianaMississippi

Alabama

4000’1500’

STINGRAY

West CameronDehydration Facility

RAM POWELL

BRUTUS

HICKORY

OKEANOS

5000’

CLEOPATRA

GUNNISON

THUNDER HORSE

NAKIKA

SPIRIT

MAGNOLIA

GEMINI

WC 509

HI 330

StingrayCorridor

Green Canyon Corridor

Mississippi Canyon Corridor

DestinCorridor

Garden Banks Corridor

DESTIN

Gulf of Mexico

GARDEN BANKS MANTA RAY

AUGER

ENCHILADA BULLWINKLE

MISS. CANYON

URSAMARS

NAUTILUS

Texas LouisianaMississippi

Alabama

4000’1500’

STINGRAY

West CameronDehydration Facility

RAM POWELL

BRUTUS

HICKORY

OKEANOS

5000’

CLEOPATRA

GUNNISON

THUNDER HORSE

NAKIKA

SPIRIT

MAGNOLIA

GEMINI

HI 330

MENSA

GB 668

GB 191BALDPATE

Enbridge GatheringEnbridge TransmissionProducer Owned

VENICE

WD143

HOLSTEINMAD DOG

ATLANTIS

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TMOffshore Infrastructure DevelopmentOffshore Infrastructure Development

Gulf of Mexico

InterstateInterstate

30” - 36” JurisdictionalPipeline

30” - 36” JurisdictionalPipeline

Market AccessMarket AccessIntrastateIntrastate

Gas Processing PlantGas Processing Plant

1500’

8000’

18” - 24” GatheringPipeline

18” - 24” GatheringPipeline

Subsea ProductionFlowlines

Subsea ProductionFlowlines

Natural Gas Liquids Natural Gas Liquids

StorageStorageRefineryRefinery

Oil Terminal &Pump StationOil Terminal &Pump Station

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TMHurricane Katrina & RitaHurricane Katrina & RitaKatrina Rita Isolated damage to Enbridge assets Currently assessing damage

- primarily at Venice facility Curtailed production onShutdown of Mississippi Canyon Stingray due to repair of Curtailed Production on Destin onshore facility

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DESTIN

Gulf of Mexico

GARDEN BANKS MANTA RAY

AUGER

ENCHILADA BULLWINKLE

MISS. CANYON

URSAMARS

NAUTILUS

Texas LouisianaMississippi

4000’1500’

STINGRAY

West CameronDehydration Facility

RAM POWELL

BRUTUS

HICKORY

OKEANOS

5000’

CLEOPATRA

GUNNISON

THUNDER HORSE

NAKIKA

SPIRIT

MAGNOLIA

GEMINI

WC 509

HI 330

StingrayCorridor

Green Canyon Corridor

Mississippi Canyon Corridor

DestinCorridor

GardenBanks CorridorMENSA

DESTIN

Gulf of Mexico

GARDEN BANKS MANTA RAY

AUGER

ENCHILADA BULLWINKLE

MISS. CANYON

URSAMARS

NAUTILUS

Texas LouisianaMississippi

4000’1500’

STINGRAY

West CameronDehydration Facility

RAM POWELL

BRUTUS

HICKORY

OKEANOS

5000’

CLEOPATRA

GUNNISON

THUNDER HORSE

NAKIKA

SPIRIT

MAGNOLIA

GEMINI

HI 330

MENSA

GB 668

GB 191 BALDPATE

115 MPH

125 MPH

145 MPH

155 MPH

160 MPH

175 MPH

120 MPH

125 MPH

120MPH

HOLSTEINMAD DOG

ATLANTIS

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TMKatrina Flooding in South La.Katrina Flooding in South La.

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TMKatrina Flooding at Venice PlantKatrina Flooding at Venice Plant

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TMKatrina Damage to Slug CatcherKatrina Damage to Slug Catcher

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TMKatrina Damage to Slug CatcherKatrina Damage to Slug Catcher

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TMRita Damage to SS 332 PlatformRita Damage to SS 332 Platform

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TMRita Damage to Stingray OnshoreRita Damage to Stingray Onshore

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TM

3

Asset positions

1,4827,745TotalEOP 100%820016OCSLASpirit

EOP 33% and BP 67%100100020/24OCSLAOkeanos (portion under construction)

EOP 33% and BP 67%385120024/30/36FERCDestin PipelineDestin

EOP 100%4580030FERCMississippi CanyonPipeline

Mississippi Canyon

EOP 22%, BP 54%, BHP 22%,and Unocal 2%

11150016/20OCSLACleopatra

EOP 75% and Enterprise 25%

25080014/16/24OCSLAManta Ray

EOP 75% and Enterprise 25%

10360030FERCNautilusGreen Canyon

EOP 100%5025016OCSLAMagnolia

EOP 100%50100030FERCGarden Banks PipelineGarden Banks

EOP 50% and Mark West 50%552754 –16OCSLATriton/Gunnison

EOP 50% and Mark West 50%EOP 100%

32530

11201200

4 –3642

FERCFERC

StingrayUTOS

Stingray

OwnersLength(miles)

CapacityMMcf/d)

Diameter(inches)JurisdictionGas PipelinesCorridor

Offshore Asset PositionsOffshore Asset Positions