Borehole drilling for sewage disposal at Asuka Station, East Antarctica
A borehole for sewage disposal was drilled at Asuka Station (71°31′34″S, 24°08′17″E, 930m a. s. l.) in January 1987. The borehole, 400mm in diameter and 27.5m in depth, was drilled 50m distant from the main hut using a steam drilling system. The drilling speed was 4m/h between the snow surface and 2...
Main Authors: | , |
---|---|
Format: | Report |
Language: | English |
Published: |
National Institute of Polar Research/Geo Tec Co. Ltd.
1994
|
Subjects: | |
Online Access: | https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=2225 http://id.nii.ac.jp/1291/00002225/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2225&item_no=1&attribute_id=18&file_no=1 |
Summary: | A borehole for sewage disposal was drilled at Asuka Station (71°31′34″S, 24°08′17″E, 930m a. s. l.) in January 1987. The borehole, 400mm in diameter and 27.5m in depth, was drilled 50m distant from the main hut using a steam drilling system. The drilling speed was 4m/h between the snow surface and 20m depth. The total amount of kerosene used for melting snow and steam generation was 110/. Sewage stored in the tank was directed to the borehole through a heated pipe. The cumulative amount of sewage was 1077k/ for 5 years, and the bottom of the hole rose 14m. |
---|