Improvement of tying schemes for drilling with core transporting hydraulics
Authors:
Abstract
Since the second half of 1983 at the coal fields of Vorkutinskaya GRE the KPS-300 unit has been mastered. Already drilled more than 7 thousand meters of pilot wells, the average depth of which was 110 meters, the maximum - 185 meters.
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(Archived) Without section
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None
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