长庆油田地处黄土高原半荒漠化的戈壁滩涂、浩瀚的毛乌素沙地边缘,生态环境恶劣。从70年代开始,长庆油田坚持开展全民义务植树运动,形成了大树大绿、以绿为主的绿化格局。九十年代中期以来,新建基地和陇东老基地绿化建设共同发展,向立体化、园林化、产业化方向迈进。到2001年底,油田绿化面积达 Changqing Oilfield is located in semi-desert Gobi Tidal Flat on the Loess Plateau, the vast border of the Mu Us desert, poor ecological environment. Since the 1970s, Changqing Oilfield has insisted on carrying out the voluntary nationwide tree-planting campaign and formed a large-green tree-based greening pattern. Since the mid-1990s, the new base and the greening of the old base in east Gansu have enjoyed common development with a view to three-dimensionalization, landscaping and industrialization. By the end of 2001, the green area of ​​the oil field reached