Providing electrical isolation for a downhole device

Details Providing electrical isolation for a downhole device Providing electrical isolation for a downhole device

E - Fixed Constructions

21

B

E21B 43/119 (2006.01) E21B 17/00 (2006.01) E21B 47/12 (2006.01) G08C 13/00 (2006.01)

Patent

CA 2450337

An isolation apparatus is provided between an electrical conductor and an electrically-activated well tool. The isolation apparatus has a blocking element to enable a signal having a first electrical polarity to pass through the element. The blocking element blocks a signal having a second electrical polarity.

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