Changqing Oilfield was established in 1970s and headquartered in Xi, Shaanxi Province. It is mainly engaged in the exploration, development, production, storage, transportation and sales of oil and gas and associated resources in Ordos Basin. Its working area spans three provinces and regions 15 cities and 6 1 county (area, flag), with an exploration and development area of 200,000 square kilometers.

Brief introduction of Changqing Oilfield:

China Petroleum Changqing Oilfield Company is a regional oilfield company affiliated to China Petroleum and Natural Gas Co., Ltd., which is the fastest-growing oil and gas field in China in recent years. It is responsible for the safe and stable gas supply in more than ten large and medium-sized cities such as Xiang Jing, Tianjin, Shijiazhuang, Xi, Yinchuan and Hohhot, with a total of 70,848 employees and total assets of101200 million yuan. Professional and technical personnel account for 15.8% of the total number of employees.

Refer to the above? Baidu Encyclopedia-Changqing Oilfield