AN ADVANCED COURSE

GAS EXPLOSION HAZARDS

ON OFFSHORE FACILITIES

3rd – 4th MAY 2010

VENUE: GEXCON AS, BERGEN, NORWAY

INCLUDING LIVE LARGE-SCALE EXPLOSION DEMONSTRATION

LEGISLATION EXPLOSION MODELLING RELEASE AND DISPERSION IGNITION

PREVENTIVE MEASURES MITIGATION PROBABILISTIC RISK ASSESSMENTS

ACCIDENTS SELECTED CASES OUTLOOK

 

 

AGENDA MONDAY 3rd MAY 2010

09:00 Registration and Coffee

09:30                 Opening

09:45                 Gas Explosion Basics

Combustion mechanisms, Fuel reactivity, Positive feedback mechanism, Effect of

geometrical aspects, Explosion tests

10:45 Coffee Break

11:00                 Explosion Accidents: Statistics and Examples

Overview and analysis of explosion incidents offshore

11:30                 Release and Dispersion in Offshore Facilities

Statistics, Potential leak sources, Process streams, High and low momentum

releases, Phase transition, Ventilation, Congestion and confinement, Modelling

examples

12:30 Lunch

13:30                       Ignition Sources

Statistics, Mechanical ignition sources, Static electricity, Electrical ignition sources,

Ignition source modelling

14:30 Coffee Break

14:45                Preventive Measures

Hazardous area classification, Ventilation, Choice of equipment, Maintenance and

procedures, Inventory, ESD

15:30                Mitigation and Control

Layout, Use of explosion venting devices, Effect of waterspray, Escalation: Loading

on equipment and piping, Passive fire protection, Escape routes

16:15 Coffee Break

16:30                Legislation and Standards

ATEX, NORSOK, ISO, UK/US/Australia/Brazil/Canada

17:15               Questions and Answers

18:15 Departure to Bergen City

19:30               Dinner

The lecturers include explosion experts Dr. Kees van Wingerden, M.Sc. Prankul Middha, M.Sc.

Trygve Skjold, M.Sc. Geir H. Pedersen, M.Sc. Lars Rogstadkjernet, Mr. Bob Brewerton and

several others.

 

AGENDA TUESDAY 4th MAY 2010

08:00 Arrival and Coffe

08:30               Explosion Modelling

Explosion modelling, Why simple models do not work, CFD, FLACS

09:15               Explosion Analyses

Part 1: Objective and Motivation

Risk acceptance criteria, What to protect

09:35  

 Part 2: Explosion Risk Analyses – Simple Approach

Worst case, Case study, Advantages/disadvantages

10:00 Coffee Break

10:15   

Part 3: Explosion Risk Analyses – Advanced Approach

Probabilistic Analysis, Advantages/disadvantages

11:00              Part 4: Selected Analyses Examples

Layout optimisation, Screening analyses for concept choice, Gas detection

system optimisation, Analysis of floating production facility and LNG terminal

11:45 Lunch

12:30              Structural Response

Static pressure versus dynamic pressure loads, SDOF versus FEM

13:15              Outlook

Arctic regions, Alternative mitigation approaches: Soft barriers, enclosure around

piperacks

13:45 Close

14:00             Demonstration of Large-scale Explosion

Departure to GexCons large-scale explosion field on the Island of Sotra.

Bus arrival in Bergen City or at Flesland Airport, approximate time 17:00.

 

 

PRACTICAL INFORMATION

Registration before March 12th 2010

Pre-registration is required.

Please send an e-mail to offshore@gexcon.com

mailto:offshore@gexcon.com in order to receive a registration form.

Your registration must be submitted before March 12th 2010.

Attendance fee NOK 9.500.

Hotel booking

If you need overnight accommodation a limited number of rooms have

been reserved at Rica Hotel Bergen. The room reservation expires on

March 12th 2010.

Bookings are made directly to rica.hotel.bergen@rica.no or

tel +47 55 36 29 00. Please use ref.no. 91531 (prices NOK 810/1.065

per night).

How to reach GexCon

Address: Fantoftvegen 38, 5072 Bergen, Norway.

GexCon AS is located at Fantoft, about 20 minutes from Flesland

Airport and the city centre of Bergen. For more information about

GexCon, please visit our website at www.gexcon.com.

The City of Bergen

Bergen has given a warm welcome to its visitors for more than 900

years. Bryggen has become a symbol of the cultural heritage and has

gained a place on UNESCO’s World Heritage List. Bergen is

surrounded by one of the World’s most spectacular tourist attractions –

the Norwegian Fjords.

Find out more on www.visitbergen.com/en.

 

GexCon www.gexcon.com is an R&D and consulting company specializing in industrial explosion risk. 30 years of dedicated experimental research in the field of explosion safety has been carried out in parallel to the development of the commercial CFD-software FLACS for explosion and dispersion calculations. GexCon offers highly qualified services and explosion consequence software worldwide.