Advanced drill string inground isolator housing in an MWD system and associated method
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United States of America Patent
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Jun 25, 2019
Grant Date -
Dec 1, 2016
app pub date -
Aug 8, 2016
filing date -
Mar 14, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A housing defines a through passage along its length and is configured to support a group of electrical isolators surrounding the through passage to form an electrically isolating break in a drill string such that each isolator of the group of isolators is subject to no more than a compressive force responsive to extension and retraction of the drill string. The housing defines a housing cavity to receive an electronics package having a signal port and is configured for electrical connection of the signal port across the electrically isolating break. A housing lid can cooperate with a main housing body to define elongated slots for purposes of enhancing the emanation of a locating signal. A housing arrangement can support electrical connections from an electronics package to bridge an electrically isolating gap.
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