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Borehole Monitoring with Impulse Acoustic Sensors
Authors: Zagorodnov V., Kelley J, Stanford K and Koci B
Year: 1992
Periodical/Journal: PICO TN-92-04
Page Range: 1-2

To successfully drill deep boreholes in glaciers, it is necessary to precisely monitor the following parameters: borehole geometry (diameter and profile, inclination); position of drill instrument in the borehole; position of the ice core in the core barrel; quality and conditions of the borehole fluid.

Operational information regarding these parameters allows increased efficiency of the drilling process and decreases losses of the ice core.

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