ArchieParameters

Robert C. Ransom

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Introduction

Abstract

What are Archie’s Basic Relationships

The Graphical Model

What is Meant by the Plot of Rt versus Swtϕt

Parallel Resistivity Equations Used in Resistivity Interpretation

What is the Formation Resistivity Factor

The m Exponents

How is Exponent n Related to Exponent m

The a Coefficient

The Saturation Evaluation

Are There Limitations

Conclusions

Epilogue

Acknowledgment

Symbols Defined

References

Appendix

All Figures

About the Author

Table of Retrievable Contents:

ACKNOWLEDGMENT

I wish to acknowledge Ben W. Ebenhack, Senior Lecturer in Chemical Engineering at the University of Rochester, founder of the nonprofit AHEAD Energy Corp., and former Research Engineer and Staff Log Analyst for UNOCAL’s International Division. Mr. Ebenhack reviewed this paper and offered suggestions and encouragement for its publication.

A CLARIFYING CONCEPT OF ARCHIE'S RESISTIVITY RELATIONSHIPS AND PARAMETERS.

A MODEL AND DISCUSSION

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