Cement Bond Log
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A cement bond log evaluates the integrity of the cement between the casing and formation. The CBL tool logs the cement bond to the casing via a principle based on resonance. A casing that is not bound has a higher resonant vibration than that which is bound.
The CBL tool is run by wireline electric line.

Typical Cement log tool.
Example of Log
external image cbl1.h6.jpg



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