ISOLATION RING ON GAP SUB

专利名称：ISOLATION RING ON GAP SUB

发明人：MILLER, Mark,MACDONALD, Craig,DOAN,

Michael

申请号：EP13829488.9申请日：20130731公开号：EP2885661B1公开日：20190313

摘要：Gap pair includes at least one, and in a preferred embodiment, and two electricisolution thread joints are in conductive tubular collar. The screw thread isolation ofconnector is separated by an isolation ring according to the current shoulder joints bynonconducting coating. The joint of annular interarea ring contact shoulder. The ring bemade of an electrically conducting material with the configuration of nonconductingcoating (1) at least one, and the annular surface of both advantageously circle, and (2)inner surface ring. Electrical contact between annular groove, which suffers restraints,prevents ring near collar portion, in each nipple.

申请人：GE Energy Oil Field Technology, Inc.

代理机构：Illingworth-Law, William Illingworth

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