Company list
Jilin Oilfield Company
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Tuha Oilfield Company
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Yumen Oilfield
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CNPC Greatwall Drilling Co., Ltd.(GWDC)
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CNPC Chuanqing Drilling Engineering Company Limited(CCDC)
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Bureau of Geophysical Prospecting INC.,China National Petroleum Corporation(BGP INC)
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China National Logging Corporation(CNLC)
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Research Institute of Petroleum Exploration and Development(RIPED)
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CNPC Engineering Technology R&D Company Ltd.(CPET)
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PetroChina Company Limited Petrochemical Research Institute(PRI)
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China Huanqiu Contracting & Engineering Co.,Ltd.(HQC)
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China Petroleum Pipeline Engineering Co., Ltd.(CPP)
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CNPC Jichai Power Co. Ltd(JCPC)
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China Petroleum Planning and Egineering Institute(CPPEI)
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CNPC Economics & Technology Research Institute(ETRI)
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CNPC Research Institute of Safety and Environmental Technology(RISE)
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