| 摘要 |
Formation drilling cuttings are centrifuged and a dried sediment sample is extracted. A non-fluorescing diluant is added to the sediment. The sediment is then subjected to UV excitation. Depending upon the permeability of the sediment, the speed at which emitted fluorescence brightens is found to vary. The time and brightness of the emission are monitored. The time/brightness relationship is proportional to the permeability of the cuttings.
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