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NMR Method to Detect Asphaltene Pore Plugging

IP.com Disclosure Number: IPCOM000181379D
Publication Date: 2009-Mar-31

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It is well documented in the literature that asphaltene deposition within the formation (pore plugging) can alter the wettability of the system. This wettability effect may be observed on a 2D NMR (D vs. T2,int.) plot from the NMR logging tool. In turn, we can interpret this alteration in the wettability as being caused by asphaltene deposits in the formation.