Oil and gas was first discovered by the Chinese in 347 AD. Only with bamboo, they were able to drill to a depth of more than 800 feet and get oil and gas for the first time. "Not America, not Europe. But China. They are indeed a smart nation," said the man who is familiarly called Mike. ...

Petroleum, often referred to as "black gold", is a viscous, dark brown, or greenish flammable liquid that occurs in the upper layers of certain areas of the earth's crust. Petroleum contains only crude oil, but in daily use it is also used in the form of other solid, liquid an ...