Catalog of South Texas Formation Water Resistivities (RW)

CCGS 017 RW-USB. Catalog of South Texas Formation Water Resistivities (R_W). B. E. Gaither, ed. 173 p., 1986. USB (digital) format.


About This Product
This publication contains analyses of formation water from more than 2,600 wells in Railroad Commission of Texas Districts 1, 2, 3, and 4, encompassing 65 counties in South Texas. This is a USB (flashdrive) produced in 2018, replacing the ring binders of the original.


Keywords: formation water, resistivities, R_w, South Texas, Texas

CONTENTS
Acknowledgments
Introduction
                R_w Defined
                Range of Expected Values
                Influence of Temperature
                Relationship of R_wto Chlorides (Cl^-) and TDS
                 Relationship of R_w to Depth

Sources of R_W Information
                Measured Samples
                “Local Knowledge”
                Estimation from Log Response in Adjacent “Water Sand”
                Calculation from Log-Derived E_ssp
                      Usingthe “Minimum R_wRule”

How to Use This Catalog
               About the Data
               Accuracy, Reliability, and Applicability of Data
               Using the Catalog
               When All Else Fails…What To Do When You Can’t Find a Value
               Additional Data

Catalog of South Texas Formation Water
               Resistivities (R_w)

Appendices
             Appendix A.: Counties Included in This Report
             Appendix B: Generalized Geologic Column for South Texas
             Appendix C: Blank Forms for Additional Data

Figures
1. Estimation of Formation Temperature
2. Resistivities of NaCl Solutions
3. Resistivities of Solutions
4. R_weq Determination from E_ssp
5. R_W versus R_weq and Formation Temperature


Citation
Gaither, B. E., ed., 1986, Catalog of South Texas Formation Water Resistivities (R_W): Corpus Christi Geological Society, CCGS 017 Rw-USB, 173 p.