Inductive coupler for well tools

Details Inductive coupler for well tools Inductive coupler for well tools

1994-12-19

1995-10-03

Eldred, J. Woodrow

Communications: electrical

Wellbore telemetering or control

Using a specific transmission medium

3408551, 175 40, 16625011, G01V 100

Patent

active

054555736

ABSTRACT:
An inductive coupling device for coaxially arranged tubular members where the members can be telescopically arranged and the liner member has a magnetic core assembly constructed from magnetic iron with cylinder sloped ends and the outer member has an annular magnetic assembly aligned with the core assembly. The tubular members are non-magnetic enclosures and together with a gap spacing define an effective air gap.

REFERENCES:
patent: 3209323 (1965-08-01), Grossman, Jr.
patent: 4901069 (1990-02-01), Veneruso
patent: 5052941 (1991-10-01), Hernandez-Marti et al.
patent: 5278550 (1994-01-01), Rhein-Knudsen et al.

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