Usually water.
false
Natural gas and water may be produced along with the crude oil. For this reason, when the crude oil is produced, it must be processed and the gas and water separated out, so the oil can be sold to refineries.
About 300 Deg.
When oil is taken out of the ground in the oil fields, new oil replaces it. When an oil well no longer produces oil, water usually replaces the space.
heck ya if it comes from the ground its oily:=-
"Petroleum" products are distilled from crude oil, so what comes out of the ground is crude oil.
Either it comes gushing out because it is under pressure (many feet of heavy rock above) or they pump some liquid (water) down to push the oil out.
When it comes to cars, oil and water don't mix. Oil has its own reservoir as does water.
Water and oil are not miscible.
Crude Oil
Crude oil.
Crude Oil