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Oilfield Glossary
Oilfield Glossary
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bound-fluid log

1. n. [Formation Evaluation]
A type of nuclear magnetic resonance (NMR) log that is designed to record properly only the bound fluid. Bound fluid is characterized by a fast relaxation time, typically less than 33 ms in sandstones and 100 ms in carbonate rocks. Therefore, the wait time for a bound fluid log can be much shorter than for standard NMR logs, with the result that logging speeds are much faster.