yes
No Hawaii has no oil wells and no fossil fuels.
There are no oil wells on Southfork ranch
South Korea does not produce any significant quantity of petroleum and is a net petroleum importer.
There are approximately 175,000 active oil and gas wells in Oklahoma.
Yes, South Korea import oil.
Nitrogen is not typically extracted from oil wells. It is usually found in the atmosphere or can be produced through industrial processes like the Haber-Bosch process. Oil wells may contain nitrogen gas as a minor component, but it is not a primary product extracted from oil wells.
All 77 counties in Oklahoma have had oil wells drilled in them.
NAICS Code(s) 213111 (Drilling Oil and Gas Wells)
oil wells - yes
There are many purposes to using an oil well for any major oil companies. The main reasons to using oil wells however is to bore into the ground to access petroleum oil.
There are about 950000 oil wells in the entire world. Of those, 530000 are located in the US!
Oil wells, aside from oil, are also sources of natural gas (methane).