Daily Science Report 41 -- Friday, 21 January 2011
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Location
Site U1374 on 28.6°S Guyot
28° 35' 44.9988" S, 173° 16' 46.8012" W
Region:
Louisville Seamount Trail
Elevation:
0 m above sea level
The extensive downhole logging program in Hole U1374A is completed. The Formation Micro Scanner (acquires high-resolution electrical images of the borehole wall and its structures) was run two times, the Ultrasonic Borehole Imager (provides acoustic amplitude images with 100% borehole wall coverage) acquired high-resolution data from 5 main sections of the hole and the downhole magnetometer was run a second time to complement the data set from yesterdays first run of the instrument. Unfortunately, the upper part of the formation (that is surrounding the buried end of the drill pipe) became increasingly unstable towards the end of the logging program. In the late evening the drill string became irretrievably stuck.
Created by Anthony Koppers on Tuesday, 25 January 2011
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