Jam clearing process for rotary telemetry tools
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United States of America Patent
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Jan 23, 2018
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N/A
app pub date -
Nov 7, 2016
filing date -
Nov 5, 2015
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Abstract
A clearing or unjamming process utilizes bidirectional agitation and non-deterministic behavior to clear debris that is jamming a downhole rotary tool. In accordance to at least one embodiment the clearing or unjamming process uses irregular oscillation of the jamming debris which may be produced by varying pause times in a bidirectional movement of the rotor. In some embodiments the rate of acceleration and deceleration of the rotor is maintained constant during the unjamming process.
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