2018
DOI: 10.1016/j.mineng.2018.03.038
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NMR derived water content from high magnetic susceptibility rock cuttings

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Cited by 10 publications
(3 citation statements)
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“…Hence, it was possible that the mineralogy of the soil particles affected this trend. Carroll et al tested water-saturated synthetic samples (magnetite/maghemite/hematite mixed with borosilicate glass beads) as a function of iron content and showed a standard error of estimated water content of 6.4 wt %. Keating and Knight tested 1.4 wt % Fe synthetic magnetite samples at the highest concentrations and showed that diffusion relaxation significantly contributes to the overall relaxation rate.…”
Section: Results and Discussionmentioning
confidence: 99%
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“…Hence, it was possible that the mineralogy of the soil particles affected this trend. Carroll et al tested water-saturated synthetic samples (magnetite/maghemite/hematite mixed with borosilicate glass beads) as a function of iron content and showed a standard error of estimated water content of 6.4 wt %. Keating and Knight tested 1.4 wt % Fe synthetic magnetite samples at the highest concentrations and showed that diffusion relaxation significantly contributes to the overall relaxation rate.…”
Section: Results and Discussionmentioning
confidence: 99%
“…NMR analysis can guarantee the accuracy described above for capturing water contents. However, we should note that the presence of magnetic materials (e.g., iron, nickel, and chromium) increases the T 2 relaxation rate and decreases the magnitude of the NMR signal. …”
Section: Methodsmentioning
confidence: 99%
“…The accurate estimation of these two parameters is essential for the petrophysical characterization of porous rocks, reservoir evaluations, and productivity predictions in hydrocarbon exploration and development (Dunn et al, 2002;Testamanti & Rezaee, 2017;Zheng et al, 2019). Nuclear magnetic resonance (NMR) is an effective technique that has been widely used to investigate the properties of porous media (Carroll et al, 2018;Chen et al, 2011;Fridjonsson et al, 2013;Ge et al, 2018;Song & Kausik, 2019;Xiao & Balcom, 2019). An inversion process is typically required to determine the transverse relaxation time (T 2 ) distribution from the echo data acquired by NMR measurements (Gruber, Venkataramanan, Habashy, Singer, & Freed, 2013;Guo et al, 2018).…”
Section: Introductionmentioning
confidence: 99%