Resources Professional Organisations American Association of Petroleum Geologists Society of Core Analysts Society of Petroleum Engineers Society of Petrophysicist & Well Log Analysts London Petrophysical Society Formation Evaluation Society of Australia SPWLA Abu Dhabi SPWLA Saudi Arabia Service Companies Baker Hughes Core Laboratories Corex Halliburton Schlumberger Scientific Drilling Weatherford Endorsed Petrophysics Applications Emerson Paradigm Geolog Logicom E&P NMR Miscellany Global Energy News Oil & Gas Journal One Petro Rigzone Wiki Petrophysics Wiki AAPG World Oil What is Petrophysics?