Motivation: The Sonoran Desert cities of Phoenix and Tucson face long-term challenges for maintaining sustainable water supplies for existing populations and anticipated future growth. Phoenix and Tucson rely on groundwater to meet a significant portion of their water needs, and both cities are expanding their aquifer storage and recovery operations. Optimized management of these critical … Continued
This page provides background information on NMR geophysics, case studies on the use of Vista Clara’s products, and links to other online resources.
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Motivation: Two major civil infrastructure projects in the United Kingdom required accurate and precise mapping of subsurface porosity and permeability to ensure that underlying sediment formations were suitable for the intended construction. In the city of Ipswich, a new crossing over the River Orwell faced engineering risks associated with unmapped soft sediments and zones of dissolution in … Continued
Motivation: The Indian Wells Valley in the Mojave Desert of California is home to the China Lake Naval Air Warfare Station, the city of Ridgecrest, and significant agricultural and mining interests. Residents and industries in the valley depend on groundwater, which has been depleted due to overuse since the 1960s. The Indian Wells Valley Groundwater Authority required … Continued
Motivation: Denver Water required high resolution information on aquifer properties beneath the city of Denver to support planning for future aquifer storage and recovery operations. Project consultant Leonard Rice Associates recommended NMR logging as a low cost and high resolution methodology and selected the Vista Clara Javelin® NMR logging tool for the project. Technical Approach: Four exploration wells were drilled at … Continued
Motivation: The US Geological Survey and water managers in California required improved understanding of saltwater intrusion in deep, coastal Southern California aquifers. In San Diego, the groundwater managers needed unambiguous, high-resolution information on the hydrologic properties of water-bearing formations beneath San Diego Harbor, to depths of up to 3000 feet, to identify and assess the … Continued