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Project Acronym: GYGY | State: Completed | Expedition ID: 5011

ins.: 2008-11-24 01:00, 17 yrs ago
By: Scientists
Category: Elgygytgyn
Elgygytgyn

Elgygytgyn: 2008-11-24

The drilling has started. The casing for the first two ...
Drilling starts!

The drilling has started. The casing for the first two meters - drilled with a 220mm diameter - was placed in the hole and during the first night a progress of 10 meters was made. The drillers as well as the scientists work in 12 hour shifts 24/7. The drilling rig is a SIF 650 M. The outer diameter following the 220 mm start-up is 161 mm, with an ID of 112 mm for the actual core. The drill is driven by a pneumatic-rotary system. A compressor generates a high air pressure to get out the cutting (which are collected as well) and to guarantee for clean cores.