About GAO D
About Univ. Petroleum, CHN
About LIU X
About Univ. Petroleum, CHN
About Shiyou Xuebao
About drill string
About behavior
About weighted residual method
About work time
About curvature
About directional drilling
About wellbore survey
About drift(migration)
About deviation
About ボトムホールアッセンブリー
About Drilling
About bha
About 解析
About 重みつき残差法