here are numerous uses to the Produced Waters database. Below are a few examples of database views and queries (click on each for larger image and more information):
Number of records in the produced water database for each state
Number of records in the produced water database for each Phanerozoic period and the Precambrian
Average total dissolved solid (TDS) content of waters from oil and gas wells
Comparison of total dissolved solids content of produced water records from 6 geologic provinces as defined by the 1995 USGS National Oil and Gas Assessment
Comparing the range of total dissolved solids contents of records in the produced water database with the ranges presented in the GRI Atlas of Gas-related produced water for 1990
Concentration of calcium versus the concentration of sulfate from the Madison Group in the Williston Basin within eastern Montana