PartnerRe Offshore Introduction
39
A basic introduction to Offshore O&G Risk and Safety Pierre SENGPRASEUTH June 07, 2012
description
Introduction offshore oil and gas
Transcript of 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?
June 07, 2012 4
« La terre est bleue comme une orange. »Paul Eluard
« The earth is blue like an orange. »
June 07, 2012 5
When oil was so easy…
Edwin Drake – NW Pennsylvania – 1859
June 07, 2012 6
When oil started not to be so easy…
Drilling and Production piers– Pacific ocean– 1896
June 07, 2012 7
What is an offshore installation?
Typical O&G reservoir
June 07, 2012 8
What is an offshore installation?
Surface facilities
Subsea facilities
June 07, 2012 9
What is an offshore installation?
Oil and Gas process
overview
June 07, 2012 10
What is an offshore installation?Typical surface
facilities vs depth
Subsea Production System
June 07, 2012 11
What is an offshore installation?
Wellhead drilling barge
June 07, 2012 12
What is an offshore installation?
Subsea tree
June 07, 2012 13
What is an offshore installation?
Manifold and its foundations
June 07, 2012 14
What is an offshore installation?
Pipeline
June 07, 2012 15
What is an offshore installation?
Umbilical
June 07, 2012 16
Example of Offshore
development
What is an offshore installation?
June 07, 2012 17
Video - What is an offshore installation?
June 07, 2012 18
What are the main hazards?
ExternalHazards
Internal Hazards
High Pressure
High Temperature
June 07, 2012 19
Some Major Accident
Piper alpha6 july 1988
167 fatalities
Explosion
June 07, 2012 20
Video Piper Alpha
June 07, 2012 21
Some Major Accident
P-3615 march 2001
11 fatalities
ExplosionSinking
June 07, 2012 22
Video P36
June 07, 2012 23
Some Major Accident
Blow out /Explosion
Deepwater horizon20 April 201011 fatalities
June 07, 2012 24
Video Deepwater Horizon
June 07, 2012 25
Some Major Accident
Well release
Elgin Platform25 March 2012
June 07, 2012 26
Video Elgin
June 07, 2012 27
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
June 07, 2012 28
What are the key safeguards?
HAZID(system)
HAZOP(unit)
FMECA(equipment)
1
TRIA
FIREPRAN
EERA
ESSA
3
SIL
HFA
FEHA
DOS
CVA
2 QRA
June 07, 2012 29
What are the key safeguards?
Blow Out Preventer
June 07, 2012 30
What are the key safeguards?
Subsea mattress and protection structure
June 07, 2012 31
What are the key safeguards?
Fire and Blast walls – Protected area
June 07, 2012 32
What are the key safeguards?
Remote Operated Vehicle
June 07, 2012 33
What are the key safeguards?
Ignition prevention
June 07, 2012 34
What are the key safeguards?
Shutdown system
June 07, 2012 35
What are the key safeguards?
F&G detection / Fire protection
June 07, 2012 36
What are the key safeguards?
Blowdown
Vent and Flare
June 07, 2012 37
What are the key safeguards?
Escape Evacuation and Rescue
June 07, 2012 38
June 07, 2012 39
Notes
