Insulating and electrode structure for a drill string

Details Insulating and electrode structure for a drill string Insulating and electrode structure for a drill string

1985-04-25

1986-03-11

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

Using electrode arrays, circuits, structure, or supports

324369, G01V 320, E21B 4900

Patent

active

045756813

ABSTRACT:
An insulating and electrode structure for a drill string is presented. The drill string includes a drill string segment having a recess along an axial length thereof. The recess has a band of elastomeric nonconductive material therein which receives electrodes comprised of rings of conductive elastomeric material.

REFERENCES:
patent: 2400678 (1946-05-01), Archie
patent: 2941784 (1960-06-01), Martin
patent: 3134069 (1964-05-01), Clements et al.
patent: 3379963 (1968-04-01), Saurenman
patent: 4286217 (1981-08-01), Planche et al.
patent: 4356629 (1982-11-01), Jeter et al.

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