Groundwater And Environmental Applications Of Advanced Geophysical Logging Tools: Geochemical And Magnetic Resonance Tool Reviews

High-quality data and highly-skilled technical analysis are the keys to good decision-making about groundwater resource management and environmental site assessment issues. Typical water well geophysical logs are used qualitatively in the groundwater industry to identify potential changes in lithology and/or water quality. Advanced logging technologies, on the other hand, are used quantitatively to constrain aquifer properties, define aquifer heterogeneity, and determine water quality, leading to improved aquifer characterization, more accurate flow modeling, and more reliable fluid transport modeling. Two advanced logging technologies are particularly valuable to the groundwater and environmental industries: (1) electronic pulsed neutron geochemical logs and (2) nuclear magnetic resonance logs. This paper introduces the physical principles of these two advanced logging technologies and their respective applications.