Using the NMR Relaxometer in Laboratory Petrophysical Analysis

In our laboratory the NMR method has been used for analysis of core samples. Inaccuracy of results has been estimated. All results have been compared with traditional methods of analysis. Pore space structure changes during different technical influence to rock, also when the drilling fluid flows through core, we used NMR relaxometer for determination and control of these changes and occurring fluid redistribution. In this paper we consider how the pore structure changing after different types of influence to core (centrifugation, uniform overall compression, filtration through core). Also the NMR method has been used for analysis non-homogeneous core samples with complex lithology (waste mantle rocks - consist of very different inhomogeneous inclusion). Traditional methods do not give good results; they can’t determinate and separate small and large pore, fracture porosity and water of clay consisting of one rock. As opposed to traditional methods, NMR allow us determine all water in sample, in each its positions and conditions. We offer standardize and use the NMR method in the laboratory (analysis cylindrical and anomalous form cores, non-consolidated cores) and in drilling site for analysis drilling cuttings because this is: profitably, accurately, more informatively, operatively.