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公开(公告)号:EP3631160A1
公开(公告)日:2020-04-08
申请号:EP18810801.3
申请日:2018-06-01
申请人: GeoDynamics, Inc.
发明人: HARDESTY, John, T. , ROESSLER, Dennis, E. , CHURCH, Paul, Andrew , MACLEOD, Iain, Morrison , ELRICK, Andrew, John , JOINER, Peter, Alan
IPC分类号: E21B43/1185 , F42D1/05 , F41A19/58