Figure 4: (a) Laboratory measurement device for nuclear magnetic resonance (NMR) in the Earth’s magnetic field for supporting surface NMR in the field, (b) laboratory device for NMR measurements in an artificial permanent magnetic field for detailed material studies, (c) measured NMR relaxation time T2 of core samples (borehole B1, test field Barnewitz/Nauen) as function of hydraulic conductivity
Figure 4: (a) Laboratory measurement device for nuclear magnetic resonance (NMR) in the Earth’s magnetic field for supporting surface NMR in the field, (b) laboratory device for NMR measurements in an artificial permanent magnetic field for detailed material studies, (c) measured NMR relaxation time T2 of core samples (borehole B1, test field Barnewitz/Nauen) as function of hydraulic conductivity
Source: BGR