Electrical Well Logging

Study Group members.—This report is a summary of the work done over a period of several months, by the Houston Geological Society study group interested in electrical well logging. Members of the group were: J. L. Mathieu, leader, Ralph Cantrell, Paul K. Goodrich, John Graham, Ford Hubbard, M. M. Kornfeld, Leigh Masterson, Frank C. Roper, G. J. Smith, K. K. Spooner, John D. Todd, and Joseph Zaba. Acknowledgments.—Various members of the group have contributed different parts of the paper, particularly Zaba on the self-potential curve, Smith on the resistivity curve, Spooner and Masterson on sands, Graham and Cantrell on reactions in salt. The group is indebted to J. L. Mathieu who gave freely of his time. However, the ideas and conclusions expressed in the report represent the personal work and opinion of the members contributing each section of the paper. Mathieu disclaims all responsibility for the statements and conclusions which appear in the report.