About Lan Kai
About Drilling Engineering Technology Institute, SINOPEC Zhongyuan Oilfield Service Corporation
About Liu Mingguo
About Drilling Engineering Technology Institute, SINOPEC Zhongyuan Oilfield Service Corporation
About Zheng Hua
About Drilling Engineering Technology Institute, SINOPEC Zhongyuan Oilfield Service Corporation
About Chao Wenxue
About Drilling Engineering Technology Institute, SINOPEC Zhongyuan Oilfield Service Corporation
About Kong Hua
About Drilling Engineering Technology Institute, SINOPEC Zhongyuan Oilfield Service Corporation
About Dizhi Keji Qingbao
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About hydration
About twist drill
About simplification
About shale
About oil field
About adhesion(surface chemistry)
About horizontal well
About inclined shaft
About filtrate
About isotropy
About permeability
About well(oil and gas)
About rock
About drilling mud
About 圧力差
About mudstone and shale
About borehole stability
About differential pressure sticking
About well structure optimization
About drilling fluid
About bottom hole assembly
About Oil reservoir engineering
About 圧力差
About 裸眼
About 斜坑
About 泥
About 岩
About 掘削
About 安全技術