Downhole differentiation of light oil and oil-based filtrates by nmr with oleophilic nanoparticles
作者： Ronald E. Cherry , Songhua Chen , Mangdalena Sandor
DOI:
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摘要: Downhole nuclear magnetic resonance (NMR) methods that utilize oleophilic nanoparticle may allow for differentiation of light oil and oil-based filtrates. For example, a method involve drilling wellbore penetrating subterranean formation using an fluid comprises base plurality nanoparticles; performing NMR measurements at depths investigation (DOI) near-wellbore portion the formation; producing invasion profile filtrate into based on measurements.
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