We can provide service with the GFZ owned SlimWave Geophone Chain. It has a maximum number of 17 levels with 3-component 15 Hz geophones each (not oriented). The available spacing length between levels is 10 m. The chain can be run with a total natural GR and a CCL (casing collar locator). The temperature/pressure rating is 135 °C/100 MPa. Connection via GO7 cable head.
The geophone chain is available as service only, i.e. operated by experienced GFZ personnel. It is available with the OSG downhole logging service conditions.