Well Logging in Cased Holes

In-Line Temperature Conductivity Sonde

The sonde uses one transmitter and two receiver modules
Cement Bond Log Sonde

CCL sonde is used to locate casing joints in a borehole
Casing Collar Locator Sonde

The Optical Televiewer provides continuous logs of oriented, high resolution unwrapped video images of borehole walls
Optical Televiewer

The fibre optic gyroscope (FOG) provides extremely precise rotational information.
North Seeking Gyro Sonde (FOG)