Steering device for steerable drilling tool
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United States of America Patent
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-
Aug 10, 1999
Grant Date -
N/A
app pub date -
Jun 6, 1997
filing date -
Jun 7, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention is a control device or directional drilling tool. The control device has an electromotor drive in the orienting device. The measuring and control device is situated between the orienting device and the drill string. Cable lead-throughs through the orienting device are eliminated. The electromotor drive of the orienting device can be actuated independently of drilling operations, making it possible to perform a rapid and precise performance of an orientation process while continuing drilling operations, reducing deviations from the planned drilling program.
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