Electrical isolation connector subassembly for use in...

Details Electrical isolation connector subassembly for use in... Electrical isolation connector subassembly for use in...

2006-04-25

2006-04-25

Bochna, David (Department: 3679)

Pipe joints or couplings

With casing, lining or protector

Insulated

C285S053000, C285S333000, C175S320000

Reexamination Certificate

active

07032930

ABSTRACT:
An electrical isolation connector subassembly for interconnecting adjacent tubular drill rods of a drilling system used in drilling bore holes in earth formations, the connector comprising an electrically insulative sleeve being sandwiched between two electrically isolated subassembly components, the sleeve providing an exterior gap between the edges of the spaced apart electrically isolated components, the exterior gap having a width of less than 50 cm.

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patent: 5394141 (1995-02-01), Soulier
patent: 5467832 (1995-11-01), Orban
patent: 6050353 (2000-04-01), Logan et al.
patent: 6158532 (2000-12-01), Logan et al.
patent: 6572152 (2003-06-01), Dopf et al.
patent: 2151525 (1996-12-01), None

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