About Zhang Weishan
About Well Logging Company, Bohai Drilling Engineering CO. LTD., CNPC
About Ouyang Fei
About Well Logging Company, Bohai Drilling Engineering CO. LTD., CNPC
About Sui Chaoming
About Well Logging Company, Bohai Drilling Engineering CO. LTD., CNPC
About Wang Xianchao
About Well Logging Company, Bohai Drilling Engineering CO. LTD., CNPC
About Hu Jinhui
About Well Logging Company, Bohai Drilling Engineering CO. LTD., CNPC
About Tang Qilin
About Chuannan Energy Technology CO. LTD.
About Ce Jing Jishu
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About People's Republic of China
About pressure control
About piercing
About well(oil and gas)
About low explosive
About shock(mechanics)
About shear(mechanics)
About oil pressure
About energy conversion
About safety
About time delay system
About initiation
About reliability(property)
About 遅延時間
About 流動抵抗
About perforating technology
About exploder-based delay technology
About hydraulic delay firing technology
About combination of mechanic structure and pressure control process
About delayed-time system
About Well completion and tests
About 液
About ロール
About 穿孔
About 起爆装置
About 開発
About 応用