Seaboard International Inc.

Albert Demny

Paul Horton, Jr

In order to prevent potential electrical hazards associated with supplying power downhole, a hanger is provided for either casing or tubing strings, or a plurality of casing or tubing strings, that electrically insulates the internal suspension mechanism of the hanger from the hanger's external seal. Electrical power is typically transferred through a hanger by way of the internal suspension mechanism. If electrical umbilicals are used, connecting devices may be located within the internal suspension mechanism for connecting an upper and lower umbilical and transferring power trough the hanger. If a rigid tubular conductor is used, the suspension mechanism may be ported to allow the passage of electrical feedthroughs or, in the case of tubing hangers, the tubing itself may be charged with electrical power. By insulating the suspension mechanism from the external seal potential electrical hazards are eliminated.

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Houston, TX, United States of America

Albert Demny