The reservoir of the Bozhong 26-6 oilfield is buried in metamorphic rocks beneath the seabed at a depth of over 4,500 meters, and its formation temperature can reach 178 degrees Celsius, making its ...

TIANJIN, Feb. 7 (Xinhua) -- The first phase of Bozhong 26-6 oilfield, by far the largest metamorphic rock oilfield in the world, commenced production on Friday, according to its developer, the China ...