Twenty years ago, the objectives of the ?rst edition of this book were numerous and ambitious: todemystifytheprocessofwellloganalysis;toexaminethephysicalbasis of the multitude of geophysical measurements known collectively as well logging; to clearly lay out the assumptions and approximations routinely used to extract pet- physical information from these geophysical measurements; to expose the vast range of well logging instrumentation and techniques to the larger geophysical community. Finally, therewastheimportantgoalofprovidingatextbookforuniversityandgra- atestudents inGeophysics...
Twenty years ago, the objectives of the ?rst edition of this book were numerous and ambitious: todemystifytheprocessofwellloganalysis;toexaminethephys...