Earth formation surveying device
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United States of America Patent
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-
Jun 5, 2001
Grant Date -
N/A
app pub date -
Oct 28, 1999
filing date -
Jun 20, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A survey device for use in a borehole formed in an earth formation. The device includes a carrier body carrying earth formation survey apparatus and drilling device arranged at the front end of the device for drilling of the borehole, a device for progressing the carrier body through the borehole in correspondence with progress of drilling by the drilling device and a device for removing the rock particles resulting from the drilling process. The device for removing the rock particles comprises a device for transporting the rock particles to the rear end of the device and depositing the rock particles into the borehole behind the rear end of the device.
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