Long ago, many fires started in Kuwait. They were at places where oil comes from the ground. These fires made a lot of dark smoke. 
Long ago, many fires started in Kuwait. These fires were at places where oil comes from the ground. Many oil wells were set on fire. 

In 1991, many oil fires started in Kuwait. During a war, the Iraqi military set fire to many oil wells. They also set fire to oil lakes and trenches. 
There were between 605 and 732 oil well fires. 
Workers had to work hard to stop the flames. They used seawater from the ocean. They sent the water through old oil pipes. Some workers used big engines to blast water at the fires. They even used explosives to put out some flames. They worked like someone blowing out a candle. The last well was capped on November 6, 1991. It took many months of hard work to fix the damage.
In 1991, a series of massive oil fires broke out in Kuwait. 

There were several reasons why these fires were started. Some people believe the smoke was used as a screen. The thick smoke could hide military movements from satellites and planes. 

The fires were very large and lasted a long time. Estimates say there were between 605 and 732 oil well fires. 

Putting out the fires was a very hard job. Workers had to deal with dangerous land mines first. They used many different ways to fight the flames. Most fires were put out using seawater from the ocean. 
It took many months of work to fix the damage. The first fires were put out in early April 1991. The very last well was finally capped on November 6, 1991. The total cost to fix the wells was about $1.5 billion. 

The Kuwaiti oil fires were a series of massive industrial disasters during the Gulf War in 1991. 

Several military and political factors led to this destruction. One major reason involved a dispute between Iraq and Kuwait. They disagreed over oil production levels and drilling in the Rumaila oil field. Iraq also had military goals for the fires. The thick smoke acted as a smoke screen. This screen could hide military movements from satellites and precision-guided weapons. The smoke might also have served as an area denial obstacle. This means the heat and debris could slow down advancing ground forces. 
To achieve these goals, the Iraqi military used systematic sabotage. As early as December 1990, they placed explosive charges on wells. The systematic burning began on January 16, 1991. Satellite images detected the first smoke on February 8. The number of fires peaked between February 22 and February 24. This coincided with the start of the allied ground offensive. Beyond the wells, they also used fire trenches. These were long, wide, and deep ditches filled with oil. They were built to stop infantry and mechanized units.
The scale of the destruction was immense. Estimates suggest between 605 and 732 oil wells were on fire. 
The environmental and human effects were very serious. The smoke caused a dramatic decrease in air quality. This led to respiratory problems for many soldiers. The smoke also fell back to earth through rain or dry deposition. Some fires produced pure black soot, while others produced white or grey plumes. 
Extinguishing the fires required massive, dangerous efforts. Crews could not work immediately because of land mines. They had to perform military demining first. Many companies worked to stop the fires, including Safety Boss. Safety Boss capped 180 of the 600 wells. To fight the flames, workers used seawater. They repaired old oil pipelines to pump seawater from the Persian Gulf. They sprayed this water at the base of the fires. Some used a "Big wind" method with gas turbine engines. This blasted water at high velocity to hit the fires. 
Other methods were used for the most difficult wells. For vertical fires, workers used high explosives like dynamite. They created a blast wave to push away the fuel and oxygen. This worked similarly to how one blows out a candle. The goal was to stop the fuel from igniting. The effort to control the fires began in April 1991. The last well was finally capped on November 6, 1991. The total cost to the Kuwaiti government was approximately $1.5 billion. This event remains a significant example of environmental damage caused by conflict.
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