Depth-porosity relationships and virgin specific storage estimates for the upper Santa Fe Group aquifer system, central Albuquerque Basin, New Mexico

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Abstract

Model depth-porosity curves fitted to geophysical log porosity data for five water wells in the Albuquerque area show that depth-porosity relationships in upper Santa Fe Group sediments follow trends similar to those in other basins. Goodness-of-fit values suggest that compaction may account for 10% to 50% of the observed porosity variability. The remainder is attributed to stratigraphic variability. Depth-averaged virgin specific storage values range from approximately 2 × 10-4 to 5 × 10-4 m-1. Specific compaction estimates ranged from 0.02 to 0.10 m/m. The absence of widespread subsidence in the basin suggests that Santa Fe Group sediments in the Albuquerque Basin are overconsolidated; thus, land subsidence caused by the dewatering of upper Santa Fe Group aquifers should not become a significant problem until the preconsolidation stress is exceeded. -from Author

Original languageEnglish
Pages (from-to)62-71
Number of pages10
JournalNew Mexico Geology
Volume17
Issue number4
StatePublished - 1995

ASJC Scopus subject areas

  • Geology

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