Knowledge of the rock type, formation fluid, stratigraphical relationships and depositional environment of the geology encountered during drilling is of vital importance to petroleum geologists. It enables them to make informed inferences about the nature and quality of the asset under their feet.
At present, one way to obtain this valuable information is by well logging. Interpretation of well logs is, therefore, one of the most useful and important tools available to the petroleum geologist in the hunt for economically viable hydrocarbon reserves.
This eGuide will shed some light on well logs and the science of well log interpretation. It will enable geologists to confidently provide answers to some of the basic questions about the geology 'down-hole' such as lithology, porosity, permeability and the saturations of water and hydrocarbons.


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