Depths larger than 2000 m and/or heavy sondes can be handled using the two GFZ owned logging winch units:
- full size logging winch unit CW7000
- off-shore logging winch unit CW3600
Winch Specifications (PDF)
These winches are available as service only, i.e. operated by experienced GFZ personnel. They are available with standard OSG downhole logging service conditions.