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Oil is a fossil fuel.
Just as Coal is the remains of land plants that have been covered over by sand and then squashed into rock, Oil is formed from the remains of microscopic sea plants and sea creatures that died and fell to the floor of the ocean, there to be incorporated into the sediments.
Over time, as these sediments are squashed and heated, the remains get changed into oil which flows through these rocks towards the surface until it becomes trapped against a layer of rocks through which it can not flow.
In this situation it accumulates (in the spaces between the mineral grains of the rocks) beneath the trap rocks, forming an 'oil field'.
What else can I help you with?
Where does oil come from in fish oil?
It should come from the flesh, pressed to remove the oil.
What cause oil light to come on after oil change?
Why does oil light come blink on 2003 Jetta 2.0 after oil change
Does Lauric acid come from coconut oil?
Lauric acid can come from coconut oil
What causes the oil to come out the dipstick tube?
why does oil come out of dipstick on a1996 12v commin
Why does the Oil light not come on when oil is low?
Oil light senses oil pressure not oil level
How do you separate oil from a mixture of oil and chloroform?
spin it out! - Oil will come to the top
What make a oil light come on?
Low oil pressure
Will the check engine light come on with no oil in the car?
No, the check engine light has nothing to do with the oil level in the vehicle. The check engine light will come on when there is a problem with the emission system. The red oil warning light will come on if your vehicle is low on oil.
Can Faulty oil level Sensory In a 2001 vw Passat cause the oil pressure light to come on?
No, it would cause the "low oil" light to come on.
Why does your oil light come on seconds after start up?
The oil light will always come on for just a second after a car is started. If the oil light stays on, the oil could be low or need to be changed.
Why does the oil light come on before you crank the motor?
an oil light is designed to come on when there is NO oil pressure or LITTLE oil pressure. that said, when your oil light is on before you start your engine there is NO oil pressure to turn it off until you start the engine.
Why does your oil light come on when sitting or at idle?
why does oil light come on Oil level is low, pressure is low do to plugged filter or worn engine, or sensor is bad.
