中国石油化工股份有限公司华东石油局录井公司
Logging Company of East China Petroleum Bureau
china petroleum chemical corporation
中国石油华北油田公司勘探开发研究院
Exploration and Development Research Institute
PetroChina Huabei Oilfield Company
中国石油华北油田分公司勘探开发研究院
bonding between fresh and old concrete
Research Institute of Exploration and Development
huabei oilfield company
PetroChina
中国石油东方地球物理勘探有限责任公司
Bureau of Geophysical Prospecting
CNPC
中国石油大学；辽河油田分公司勘探开发研究院
China University of Petroleum
中国石油大庆油田有限责任公司勘探开发研究院
Research Institute of Exploration and Development
daqing oilfield company ltd.
PetroChina
Research Institute of Exploration and Devdopment
PetroChina Daqing Oilfield Company
Exploration and Development Research Institute of Daqing Oilfield Company Limited
CNPC
PetroChina Daqing Oilfield Company Limited
中国石油大港油田勘探开发研究院
Research Institute of Exploration Development
dagang oilfield company
PetroChina
Research Institute of Exploration and Development
中国石油大港油田公司油气勘探开发技术研究中心
Dagang Oil Field Hydrocarbon Exploration and Development Technology Research Center
China petroleum
中国石油大港油田公司勘探开发研究院
dagang oilfield company
PetroChina
Research Institute of Exploration and Development
中国石油长庆油田分公司勘探开发研究院
Research Institute of Exploration and Development
changqing oilfield company
PetroChina
中国石化中原油田分公司
Zhongyuan oilfield
Sinopec
zhongyuan oil field company
中国石化中原油气高新股份有限公司
Zhongyuan Oil and Natural Gas High-technique Limited Company
Sinopec
中国石化新星石油公司西南石油局
Southwest Bureau of Petroleum
Sinopec