GeolOil (pronounced geo-loil) is a software company specialized in petrophysics and 3D oil & gas reservoir modeling. Our user friendly LAS well logs editor and viewer allows to plot curves immediately, achieving a top quality display. Our Sequential Petrophysical Functions computations approach, allows to immediately change any parameter and update all the petrophysical analysis interpretation re-computed with a single click. Our Log Upscaler computes Net-Pay, Petrophysical Cutoffs, Water Saturation and more.