Televiewers

The Optical Televiewer provides continuous logs of oriented, high resolution unwrapped video images of borehole walls. Further processing allows for the computation and

display of standard information on fractures and other geological features.
Unlike the Acoustic Televiewer, the Optical Televiewer can be run in both air filled and (clear) water filled holes. The sonde can be supplied with only a data modem and acquisition software if no other Geovista sondes are required at the time.

The Acoustic Televiewer provides continuous logs of oriented, unwrapped images of borehole walls. Further processing allows for the computation and display of standard information on fractures and other geological features.
Unlike the Optical Televiewer, the Acoustic Televiewer can be run in both clear and opaque mud.
Unlike the Acoustic Televiewer, the Optical Televiewer can be run in both air filled and (clear) water filled holes. The sonde can be supplied with only a data modem and acquisition software if no other Geovista sondes are required at the time.

Some images below of the difference between the optical and acoustic televiewers. Click on the thumbnails to view a larger image.