History of Oil Generation and Oil Drilling

History of Oil Generation China is also one of the first countries in the world to discover and use petroleum. In the ‘Han Shu’ written by Ban Gu(AD 32-92) in the Eastern Han Dynasty, ‘Gaonu County has drowning water and is flammable’. Gaonu is near Yanzhang of Shanxi, and Lishui is a tributary of Yan River. ‘There [...]