Abstract.

The Hungarian team used a turbo-jet Íìre extinguisher unit with high efficiency to kill out oil flames.

Turbo-jet, Twin Turbo is the latest innovation in jet technology for fire suppression. It is available as a crawler type firefighting vehicle or for ease of air transportation on a skid-mounted frame. When skidded a conventional Athay track or heavy rig up truck is used to convey the machine to the fire. This machine is powered by twin turbo-jet engines commonly used in 1974 model Mig-21 jet fighters. The vehicle can deliver high rates of spent exhaust fumes mixed with water, chemical or foam directly to the fire at liquid flowrates of over 24 m'/min.

Water and chemicals are atomized in the exhaust stream yielding the most efficient method of extinguishing fires and cooling the adjacent area. This method is the fastest available in the world today. The main features that much less water, chemicals and time are required to control a fire than other methods, making it the most efficient firefighting machine on the market today. This technique is also suited for applications in which a medium to large containment area or the source of fire is obstructed (example: offshore platforms, melted down rigs, etc... .). In Kuwait, the turbojet was particularly successful in putting out well-fires where the wellhead was severely damaged and large lateral flows were encountered. Compared to other methods it is very efficient and most certainly will save time in controlling the well. This unit has extinguished huge fires in minutes and by using half the volume of water, astonishing the best firefighting specialists in the world. The unit could also be used for cooling down the vicinity of wellheads. This operation took only 3-4 hours (compared to some days for the other groups) and required considerably less water.

In the last phase of the Gulf war 727 oil-wells in Kuwait were exploded causing an unprecedentedly large environmental damage even on a world scale.

Most of the wells on fire resulted in a huge volume of smoke due to the imperfect burning of oil.

Firefighting efforts started at the beginning of March and involved 3 U.S. and 1 Canadian team.

During the prequalification procedure started in June, 1991, specialists from Kuwait and U.S.A. put the Hungarian firefighting group on the distinguished fifth piace in the world list.

Shortly after this a consortium was formed with the participation of Rotary Drilling Ltd, Drilling Contractor and Service Company and Technoimpex Foreign Trade Company (ali from Hungary) in order to take part jointly in the biggest well control challenge ever. After time consuming negotiations, a contract was signed in August for one Hungarian firefighting team and it had to provide all technical units needed for the f

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