OSG performed natural gamma and mud parameter measurements in the vertical upper section of the SAFOD main hole with support of the USGS (winch truck, cable etc.).

This is the only OSG logging campaign at SAFOD.

SAFOD, Parkfield, California, USA           2004-JUL           603-1442 m

Tools:  MP, GR, SGR (standard sized sondes) 

Staff:  Carnein, Kück 

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