[color:feba=blue]All over the world ,telivision reports brought us pictures of the oil rigs in Kuwaet as they burned the marines installations witch bring up gas and patroleum . [img]https://2img.net/i/fa/i/smiles/bom.png[/img]
This fires are fed from underground deposits of petroleum and a natural gas called mathanane.
Like coal petroleum also has quite a past.
It began forming at the beginning of the dinasaurs age building up in gigantic tanks.
A complete oil rig installation drills through three layers of methan petroleum and saltwater usually separated by intermedite rock .By drilling through the first layer ,it will reach the natural gas of methane.
Then going through the rocky base below the gas the drilling will reach petroleum
Finally by going through the rocky base of the layer of petrol the drilling arrives at saltwater the remains of the pre historic oceans in which plants and animals live in ..[/color]