Look in the link I will make blow.
Because it's there. If there are oil reserves in a country you drill for them.
Drill for oil
to extract the oil out of the ground
An oil platform with an industrial drill.
It is the easiest way to find oil deposits.
Yes, the US does drill for oil. The country has extensive oil drilling operations both onshore and offshore, resulting in significant domestic oil production.
NO
The ability to drill oil has made the American economy and infrastructure what it is today. Everything that moves, seemingly is powered ultimately by oil.
Becuase oil refuses to drill itself.
One is called an oil drill.
An oil rig
approximately in 1859