Signal connection for a downhole tool string

Details Signal connection for a downhole tool string Signal connection for a downhole tool string

2006-08-29

2006-08-29

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Wellbore telemetering or control

Using a specific transmission medium

C340S853100, C340S854400, C340S854600, C340S854700, C340S854800, C340S870100, C073S152010, C166S250010

Reexamination Certificate

active

07098802

ABSTRACT:
A signal transmission connection for a tool string used in exploration and production of natural resources, namely: oil, gas, and geothermal energy resources. The connection comprises first and second annular elements deployed in cooperative association with each other. The respective elements comprise inductive transducers that are capable of two-way signal transmission between each other, with downhole components of the tool string, and with ground-level equipment. The respective inductive transducers comprise one or more conductive loops housed within ferrite troughs, or within ferrite trough segments. When energized, the conductive loops produce a magnetic field suitable for transmitting the signal. The second element may be rotational in drilling applications. The respective elements may be fitted with electronic equipment to aid and manipulate the transmission of the signal. The first element may also be in communication with the World Wide Web.

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