Compared with the fifth week, the sea freight of casing centralizers and ESP cable protectors decreased this week.

On August 15th of 2021, the 12th Annual Youth Academic Conference of China Petroleum Society--”Invigorate Youth Vitality and Boost Energy Development" hosted by the Youth Working Committee of Chinese Petroleum Society, jointly hosted by Northeast Petroleum University, Daqing Oilfield Co., Ltd., Jili...