Abstract

Petrophysical measurements of drill cuttings are vital for determining reservoir quality in organic mudstone plays, where the highly deviated (horizontal/lateral) production wells are rarely logged. We demonstrate a methodology to measure the porosity of irregularly shaped drill-cutting samples using multinuclear 1H–19F NMR measurements at medium frequencies (12 MHz). The methodology is successfully demonstrated on both core and irregularly shaped simulated cuttings from conventional and unconventional shale plays.

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