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Thursday, 30 November 2006 10:27

Hazard and safety probes for LNG tanks

Josef Rötzer, Hamish Douglas, Helmut Maurer
Dywidag International, Munich

The investigation of containments for the storage of liquefied natural gas has to be extended to their behaviour under blast wave conditions, dependent on the risk prevailing on the site.
As in the case of earthquakes (See LNG journal July/August 2005), the investigation of the blast load case must consider the complete tank structure.
Published in Feb 06
Wednesday, 29 November 2006 17:08

Liquid spill hazard investigated for LNG tanks

Josef Rötzer, Hamish Douglas, Helmut Maurer
Dywidag International GmbH, Munich


In Parts 1 and 2 of this contribution the hazard scenarios earthquake, impact and blast were described. In Part 3 a further hazard scenario, liquid spill is investigated. Part 4 will close the hazard and safety investigations with the examination of the fire scenarios, valve fire and adjacent tank fire.
Published in Oct 2006
By A Correspondent

Vacuum insulation has been known in industry in the form of double-jacketed pipes of varying constructions for many years but had to be refined for use in the LNG sector


When oil first came on stream natural gas was considered to be a more or less irksome by-product.

Today it has become another major pillar of the world's supply of energy and raw material.

On all continents plants and installations for the extraction and processing of natural gas are being built, and the list of medium-term and long-term projects is long.
Published in May 2006

A purpose-mined and lined rock cavern has been designed, constructed and operated at Daejon, about 200km south of the capital Seoul

The rockmass was mainly of fissured granite, which was initially water saturated and the water table level was 10m above the ceiling

Emmanuel Chanfreau, Eric Amantini and Dae-Hyuck Lee

Environmental concerns, more stringent safety rules and security constraints regarding sabotage or acts of terrorism have rendered underground storage increasingly attractive to store large volumes of hydrocarbon.

However, up to now, no satisfactory concept for underground LNG storage in hard rock has been presented.

Published in June 2006