This is because oil well fires are extinguished,or put out, at the wellhead just above ground.

VOA: special.2009.03.22

Actor John Wayne played an oil well firefighter from Houston,Texas whose life was similar to Adair's.

VOA: special.2009.03.22

Adair also developed special equipment made of bronze metal to help extinguish oil well fires.

VOA: special.2009.03.22

None of his workers were ever killed while putting out oil well or gas fires.

VOA: special.2009.03.22

He was famous for putting out dangerous oil well fires around the world.

VOA: special.2009.03.22

Putting out oil well fires can be difficult.

VOA: special.2009.03.22

We have been doing business with them." British Petroleum plans to plug the leaking oil well with an experimental well cap.

VOA: standard.2010.05.08

President Obama will speak after returning from his fourth trip to the Gulf region since the April 20 explosion and fire, which killed 11 workers and ruptured a deep-sea oil well.

VOA: standard.2010.06.15

BP is trying different ways to stop the leak from a damaged undersea well and control the spilled oil.

VOA: special.2010.05.04

But,once the fire is out, the well still needs to be covered,or capped, to stop the flow of oil.

VOA: special.2009.03.22

Oil has been flowing from its damaged well in the Gulf of Mexico for almost seven weeks.

VOA: special.2010.06.04

Oil is flowing from a damaged well one thousand five hundred meters under the sea.

VOA: special.2010.05.01

Also,the damaged well did not stop the flow of oil as it should have.

VOA: special.2010.05.01

It contains hemp oil as well as the smell of orange and patchouli.

VOA: special.2011.03.09

While clean-up continues in Louisiana,Alabama and Mississippi, officials in Florida are watching to guard against oil damage here as well.

VOA: standard.2010.07.05

A new underwater video - released as the latest hearings began - shows oil continuing to spill from the deep water well.

VOA: standard.2010.05.18

BP is continuing efforts to increase the amount of oil being captured from its damaged underwater well.

VOA: standard.2010.06.14

"Well,if the oil did get into the interior of the wetlands it could be very devastating.

VOA: standard.2010.05.09

Meanwhile,on Capitol Hill, top executives of other major oil companies told lawmakers their companies would not have drilled the well the way BP did.

VOA: standard.2010.06.15

The BP oil company, which provided the video, says it has been siphoning about 2000 barrels of oil a day using a narrow tube inserted in the well.

VOA: standard.2010.05.18

The president told reporters the cap and other devices are expected to capture as much as 80,000 barrels of oil a day, until a relief well is completed.

VOA: standard.2010.07.16

The oil that is still leaking from the well could seriously damage the economy and the environment of our Gulf states, and it could extend for a long time.

VOA: standard.2010.05.02

"The new cap is good news." "Either we will be able to use it to stop the flow, or we will be able to use it to capture almost all of the oil until the relief well is done.

VOA: standard.2010.07.16

Referring to last week's upward revision of the amount of oil leaking from the well, with substantially higher numbers than originally estimated by BP, Admiral Allen said President Obama and government officials want to make sure that BP is applying sufficient resources to deal with the spill.

VOA: standard.2010.06.14