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You normally find oil in the ground or under the ocean floor.
Because oil cost a lot of money.
oil is renewable because is reproduce in the ocean floor or under ground
The current oil spill in the Gulf of Mexico is from an oil well under 5,000 of water.
The particular problems there are with extracting oil from under sea will cause a Tsunami (A earthquake on the sea bed) to the Earth.
Pipelines are built under the ocean with machines that have arms. These arms put the pipes into place on the ocean floor. Divers then weld the pipes together. The weight of the pipes will settle into place.
Because under the water, there is still solid rock, for 60 km, some of this rock contains oil, that's why offshore oil exploitation exists.
Oil drilling often occurs on the seabed, that is, the very bottom of the ocean.
oil and natural gas
under the ocean
FAlSE
In offshore drilling, rigs mine oil from under the ocean floor. The oil is then carried to the surface via large pipes, so that it can be shipped away and refined into petroleum products.