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Portal to drilling documents and publications of interest to the ice drilling community. There are currently 514 documents in the Library.

Document Details

Mechanical Drill for Deep Coring in Temperate Ice
Authors: Arnason B, Bjornsson H and Theodorsson P
Year: 1974
Periodical/Journal: Journal of Glaciology
Volume: 13
Number: 67
Page Range: 133-139
Abstract:

A rotary drill for deep coring in temperate ice has been constructed and tested. The total length of the drill is 6 m and its weight is 100 kg. A steel armoured cable carries power to the 2 h.p. electric motor of the drill. The diameter of the core is 90 mm and the maximum length of core is 2 m. An antifreeze mixture at the bottom of the hole was necessary to prevent refreezing of ice chips on the cutting bits.

A 415 m deep hole was drilled during the summer of 1972 into the temperate accumulation area of Vatnajokull. Core recovery was 99 percent. Because of a fault in the cable the bottom wasn't reached.

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