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Geophysical Logs for Determination of Saline Groundwater in Selected Aquifers in Texas, 2021

Dates

Publication Date
Start Date
2021-05-04
End Date
2021-08-25

Citation

Ging, P.B., Teeple, A.P., Payne, J.D., Pasley, N.K., and Hiler, M.D., 2022, Data release for water-quality data and geophysical logs for determination of saline groundwater in selected aquifers in Texas, 2021: U.S. Geological Survey data release, https://doi.org/10.5066/P9WXWGJB.

Summary

Groundwater-quality data and geophysical information for relatively deep wells (wells generally more than 300 feet deep) containing saline water (dissolved-solids concentrations greater than 2,000 milligrams per liter) are limited throughout the state of Texas. Information derived from geophysical well logs can be used to estimate groundwater salinity. Geophysical logs were collected in 2021 from 10 of the 12 wells completed in selected aquifers (Trinity, Edwards-Trinity (Plateau), Carrizo-Wilcox, Sparta, and Yegua-Jackson) in Texas.

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Attached Files

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Rusk_Logging_5.jpg
“Geophysical Logging (photo by Robert Thorton, Rusk County GCD)”
thumbnail 197.48 KB image/jpeg
291514097345301_06-22-21.las 676.54 KB text/plain
291930097444101_06-24-21.las 982.69 KB text/plain
292031097320701_06-23-21.las 789.06 KB text/plain
293347098572501_05-19-21.las 32.37 MB text/plain
301038098234101_06-22-21.las 854.51 KB text/plain
303743102292101_05-04-21.las 277.4 MB text/plain
303833102314401_05-04-21.las 3.84 MB text/plain
304241096514501_06-08-21.las 282.23 KB text/plain
315338094461301_08-25-21.las 1.08 MB text/plain
321753094523101_06-08-21.las 799.71 KB text/plain
WellLocations.txt 994 Bytes text/plain

Purpose

The purpose of this data release is to present the results of geophysical logs collected at 10 of the 12 total wells in selected aquifers (Trinity, Edwards-Trinity (Plateau), Carrizo-Wilcox, Sparta, and Yegua-Jackson) in Texas. The geophysical logs collected included a suite of conventional geophysical logs such as caliper, natural gamma, self-potential, induction resistivity, short-normal resistivity, long-normal resistivity, single-point resistance, lateral resistivity, fluid temperature, and fluid resistivity as well as an advanced geophysical log of either full-waveform sonic or nuclear magnetic resonance to estimate formation porosity. Resistivity and porosity information can be used to estimate groundwater salinity in locations lacking water-quality data.

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