AES Tech Tip: MBT
The Methylene Blue Test (MBT) is an indicator of the apparent Cation Exchange Capacity (CEC) and an important part of a water-based mud check. In this tech tip, we run you through the fundamental test procedure and discuss what the results may be revealing about your fluid and drilling environment.

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Cation Exchange Capacity (CEC)

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AES Tech Tip: Evaluation of Lubricants

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