Research Institute of Petroleum Exploration and Development of Jianghan Oil Field Company
Research Institute of Exploration and Development of Jilin Oilfield
Research Institute of EXploration and Development of Xinjiang Petroleum Administration
Research Institute of Exploration and Development of Xinjing Petroleum Administration
Wuxi Petroleum Geology Insitute of Exploration and Development Research Institute of SINOPEC
Exploration and Development Research Institute of Jianghan Oilfield Branch Company
Northwest Branch of Research Institute of Exploration and Development
Research Institute of Oil Exploration and Development. Jilin Petroleum Administration
Northwest Subsidiary of Research Institute of Exploration and Development
Research Institute of Exploration and Development of Changqing Oilfield Company
Exploration and Development Research Institute of Jianghan Oilfield Company
Bohai Oilfield Exploration and Development Research Institute of CNOOC
Changsha City Design and Research Institute of Exploration and Surveying
Changsha Design and Research Institute of Exploration and Surveying
Exploration and Development Research Institute of Daqing Oil Field Company Ltd
Exploration and Development Research Institute of Daqing Oilfield Company Limited
大庆油田有限责任公司勘探开发研究院
中国石油大庆油田有限责任公司勘探开发研究院
Exploration and Development Research Institute of Daqing Oilfield Company Ltd
Exploration and Development Research Institute of Daqing Petroleum Administrative Bureau
Exploration and Development Research Institute of Henan Oilfield