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A proposed improved CSL rating criteria

Updated: May 31, 2022

A task force of industry experts was formed to review the existing crosshole sonic logging (CSL) rating criteria and propose improvements where appropriate. The recommendations were presented in a Terminology & Evaluation Criteria of Crosshole Sonic Logging (CSL) paper that presents the consensus of the task force and which suggests it will be incorporated into future criteria, codes, and specifications. See criteria diagram above Piletest already implemented the criteria into its CHUM, crosshole CSL ultrasonic monitor software in the form of a “classification bar”. Once enabled, a colored bar appears at the left of each profile and clearly shows the classification at that point. In addition, hovering the mouse pointer over the profile shows the location of the pulse within the classification “map”. See snapshot below.

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