Downhole transmission system

Details Downhole transmission system Downhole transmission system

2008-01-15

2008-01-15

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Wellbore telemetering or control

Using a specific transmission medium

C340S854900, C340S855100, C439S577000, C324S333000, C324S339000, C166S381000

Reexamination Certificate

active

07319410

ABSTRACT:
A transmission system in a downhole component comprises a data transmission element in both ends of the downhole component. Each data transmission element houses an electrically conducting coil in a MCEI circular trough. An electrical conductor connects both the transmission elements. The electrical conductor comprises at least three electrically conductive elements insulated from each other. In the preferred embodiment the electrical conductor comprises an electrically conducting outer shield, an electrically conducting inner shield and an electrical conducting core. In some embodiments of the present invention, the electrical conductor comprises an electrically insulating jacket. In other embodiments, the electrical conductor comprises a pair of twisted wires. In some embodiments, the electrical conductor comprises semi-conductive material.

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PCT/US 03/16475, Published Dec. 4, 2003, Applicant Baker Hughes; International Search Report: “Documents Considered to Be Relevant”.

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