The telemetry module is the topmost tool in the stack. Its main function is to collect and combine digital data from all other tools and to transmit this in a digital form via the logging wireline to the surface acquisition system. It also provides control functions and tool power to the other logging tools.
All tools in the stack communicate with the telemetry module over a common internal RS485 data bus. The telemetry module organises this data and transmits it to the surface using proprietary high-speed telemetry. Data is acquired on a depth basis with a sample interval selected to optimise measurement resolution/logging speed.
FEATURES
Bi-directional digital transmissions with variable baud rate
Compatible with industry-standard cables and cableheads
MEASUREMENTS
Natural gamma
Mud resistivity (optional)
Casing collar locator CCL (optional)
Borehole inclination (optional)
APPLICATIONS
Natural gamma
Lithology indication
Shale measurement
Bed-boundary/ bed-thickness measurement
Correlation between logs and wells
Mud resistivity
Correction of resistivity/ conductivity logs
Casing-collar locator (CCL)
Location of casing joints and shoe
Depth correlation between cased-hole logs
Borehole tilt (optional)
QA of borehole construction
Bed thickness correction
