Publisher – Zonge, 1983. Authors – Larry J. Hughes, Zonge Engineering & Research Organization, Inc., Tucson, Arizona, U.S.A. Tutorial – Mechanisms of Current Flow in the Earth and Principles of Electromagnetic Theory as Applied to Petroleum Exploration [pdf] IP-Petro_8 This document contains Chapters 8 and 9 from a larger publication entitled “Case Histories of an […]