The Kuwaiti oil fires were caused by the Iraqi military setting fire to a reported 605 to 732 oil wells along with an unspecified number of oil-filled low-lying areas, such as oil lakes and fire trenches while retreating from Kuwait in 1991 due to the advances of US-led coalition forces in the Gulf War. The fires were started in January and February 1991, and the first oil well fires were extinguished in early April 1991, with the last well capped on November 6, 1991.
Motives
The dispute between Iraq and Kuwait over alleged slant-drilling in the Rumaila oil field was one of the reasons for Iraq's invasion of Kuwait in 1990.
In addition, Kuwait had been producing oil above treaty limits established by OPEC. By the eve of the Iraqi invasion, Kuwait had set production quotas to almost 1.9 million barrels per day (300,000 m3/d), which coincided with a sharp worldwide drop in the price of oil. By the summer of 1990, Kuwaiti overproduction had become a serious point of contention with Iraq. Some analysts have speculated that one of Saddam Hussein's main motivations in invading Kuwait was to punish the ruling al-Sabah family in Kuwait for not stopping its policy of overproduction, as well as his reasoning behind the destruction of said wells. It is also hypothesized that Iraq decided to destroy the oil fields to achieve a military advantage, believing the intense smoke plumes serving as smoke screens created by the burning oil wells would inhibit Coalition offensive airstrikes, foil allied precision guided weapons and spy satellites, and could screen Iraq's military movements. Furthermore, it is thought that Iraq's military leaders may have regarded the heat, smoke, and debris from hundreds of burning oil wells as presenting a formidable area denial obstacle to Coalition forces. The onset of the oil well destruction supports this military dimension to the sabotage of the wells; for example, during the early stage of the Coalition air campaign, the number of oil wells afire was relatively small but the number increased dramatically in late February with the arrival of the ground war. The Iraqi military combat engineers also released oil into low-lying areas for defensive purposes against infantry and mechanized units along Kuwait's southern border, by constructing several "fire trenches" roughly one kilometre (0.62 mi) long, and three metres (9.8 ft) wide and deep to impede the advance of Coalition ground forces. The military use of the land based fires should also be seen in context with the coinciding, deliberate, sea based Gulf War oil spill, the apparent strategic goal of which was to foil a potential amphibious landing by U.S. Marines.
Extent
As an international coalition under United States command assembled in anticipation of an invasion of Iraqi-occupied Kuwait, the Iraqi regime decided to destroy as much of Kuwait's oil reserves and infrastructure as possible before withdrawing from that country. As early as December 1990, Iraqi forces placed explosive charges on Kuwaiti oil wells. The wells were systematically sabotaged beginning on January 16, 1991, when the allies commenced air strikes against Iraqi targets. On February 8, satellite images detected the first smoke from burning oil wells. The number of oil fires peaked between February 22 and 24, when the allied ground offensive began. According to the U.S. Environmental Protection Agency's report to Congress, "the retreating Iraqi army set fire to or damaged over 700 oil wells, storage tanks, refineries, and facilities in Kuwait." Estimates placed the number of oil well fires from 605 to 732. A further thirty-four wells had been destroyed by heavy coalition bombing in January. The Kuwait Petroleum Company's estimate as of September 1991 was that there had been 610 fires, out of a total of 749 facilities damaged or on fire along with an unspecified number of oil filled low-lying areas, such as "oil lakes" and "fire trenches". These fires constituted approximately 50% of the total number of oil well fires in the history of the petroleum industry, and temporarily damaged or destroyed approximately 85% of the wells in every major Kuwaiti oil field. Concerted efforts to bring the fires and other damage under control began in April 1991. During the uncontrolled burning phase from February to April, various sources estimated that the ignited wellheads burnt through between four and six million barrels of crude oil, and between seventy and one hundred million cubic meters of natural gas per day. Seven months later, 441 facilities had been brought under control, while 308 remained uncontrolled. The last well was capped on November 6, 1991. The total amount of oil burned is generally estimated at one billion barrels or just below one percent of Kuwait's entire supply of 104 billion barrels. Daily global oil consumption in 2022 is about 99.4 million barrels; the oil lost to combustion would last 10 days at modern usage rates.
Financial losses In March 1991 the accumulated financial losses were estimated to be as much as 10% of 90 billion barrels of Kuwait oil reserves based on a statement made by a Kuwait Oil Company official. With the world prices at the time, the damages would amount to US$157.5 billion.
Military effects
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![Kuwaiti oil fires: Smoke plumes from a few of the Kuwaiti Oil Fires on April 7, 1991, as seen from Space Shuttle Atlantis during STS-37.[1][2]](https://upload.wikimedia.org/wikipedia/commons/thumb/a/aa/KuwaitiOilFires-STS037-152-91-%282%29.jpg/1280px-KuwaitiOilFires-STS037-152-91-%282%29.jpg?utm_source=en.wikipedia.org&utm_campaign=parser&utm_content=thumbnail)


