Oil well
01
油井, 石油井
a drilled hole or structure used to extract petroleum (crude oil) or natural gas from underground reservoirs
例
The oil well in Texas is one of the oldest in the United States, still producing significant amounts of crude oil.
テキサス州の油井はアメリカ合衆国で最も古いものの一つで、今でも大量の原油を生産しています。
