Insulating and electrode structure for a drill string
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United States of America Patent
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Mar 11, 1986
Issued Date -
N/A
app pub date -
Apr 25, 1985
filing date -
Nov 12, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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