PartnerRe Offshore Introduction

A basic introduction to Offshore O&GRisk and Safety

Pierre SENGPRASEUTH

June 07, 2012

June 07, 2012 2

A basic introduction toOffshore Oil & Gas

Pierre SENGPRASEUTH

Risks and Safety

June 07, 2012 3

Contents

What is an offshore installation?

What are the main hazards/major accidents?

What are the key safeguards?

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« La terre est bleue comme une orange. »Paul Eluard

« The earth is blue like an orange. »

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When oil was so easy…

Edwin Drake – NW Pennsylvania – 1859

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When oil started not to be so easy…

Drilling and Production piers– Pacific ocean– 1896

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What is an offshore installation?

Typical O&G reservoir

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What is an offshore installation?

Surface facilities

Subsea facilities

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What is an offshore installation?

Oil and Gas process

overview

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What is an offshore installation?Typical surface

facilities vs depth

Subsea Production System

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What is an offshore installation?

Wellhead drilling barge

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What is an offshore installation?

Subsea tree

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What is an offshore installation?

Manifold and its foundations

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What is an offshore installation?

Pipeline

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What is an offshore installation?

Umbilical

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Example of Offshore

development

What is an offshore installation?

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Video - What is an offshore installation?

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What are the main hazards?

ExternalHazards

Internal Hazards

High Pressure

High Temperature

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Some Major Accident

Piper alpha6 july 1988

167 fatalities

Explosion

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Video Piper Alpha

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Some Major Accident

P-3615 march 2001

11 fatalities

ExplosionSinking

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Video P36

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Some Major Accident

Blow out /Explosion

Deepwater horizon20 April 201011 fatalities

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Video Deepwater Horizon

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Some Major Accident

Well release

Elgin Platform25 March 2012

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Video Elgin

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What are the key safeguards?

Process control layer

Process control layer

Active protection layer

Passive protection layer

Emergency response layer

Basic processcontrol system

Alarms &OperatorIntervention

SafetyInstrumentedSystem

Fire protectionsystem

FireproofingWall

EmergencyResponsePlan

PREVENTION

MITIGATION

RRM

Safety layer

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What are the key safeguards?

HAZID(system)

HAZOP(unit)

FMECA(equipment)

1

TRIA

FIREPRAN

EERA

ESSA

3

SIL

HFA

FEHA

DOS

CVA

2 QRA

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What are the key safeguards?

Blow Out Preventer

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What are the key safeguards?

Subsea mattress and protection structure

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What are the key safeguards?

Fire and Blast walls – Protected area

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What are the key safeguards?

Remote Operated Vehicle

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What are the key safeguards?

Ignition prevention

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What are the key safeguards?

Shutdown system

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What are the key safeguards?

F&G detection / Fire protection

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What are the key safeguards?

Blowdown

Vent and Flare

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What are the key safeguards?

Escape Evacuation and Rescue

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Notes