In the oil and gas industry 2D T1-T2 low field 1H NMR has been widely proposed as a method to examine the fluids in the unconventional source rock shale samples. The assignment of these fluids, however, has thus far been conceptual and lacked any experimental verification. The objective of this study is to determine with high confidence what quantitative data can be determined from 2D T1-T2 spectra. We measured source rock shale samples usi ng Inversion-Recovery CMPG pulse-sequence on a 12 MHz NMR instrument. The acquired 2D data was inverted using an optimized inversion software, MUPen2D, and the oil and water saturation were obtained using an inhouse developed NMR MATLAB App. The saturations were compared to industry standards methods and were found to be in good agreement. This method is faster than the industry method, along with being nondestructive. The measured results can be further used to determine the production potential of a source rock well in combination with log data.
