Reporters learned on April 19 from the China National Petroleum Corporation Qinghai Oilfield Branch (hereinafter referred to as "Qinghai Oilfield"), as of April 17, the daily crude oil production of Qinghai oilfield climbed to 6,355 tons.It is reported that since the beginning of this year, the dail

A total of 66 Wells and 167 layers have been fractured in Qinghai Oilfield as of Thursday, according to the Qinghai Oilfield Branch of China National Petroleum Corporation (petrochina). Technological breakthroughs to help oil field production stability and efficiency, Qinghai oilfield crude oil outp