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NMR Method to Detect Asphaltene Pore Plugging

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

Publishing Venue

The IP.com Prior Art Database

Abstract

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.