... based on porosity and basic input logs. Data from a typical Niger Delta well is used to evaluate the workflow and the results are compared with a deterministic evaluation to see the added benefits. upstream oil & gas neutron porosity response equation matrix equation well logging...

... Upstream Oil & Gas neutron porosity sand lobe gradient permeability reservoir lobe well logging society of petroleum engineers porosity sequence spectroscopy interpretation technique Introduction A horizontal wellbore in West Africa was intended to cross a sequence of inter-bedded...

... the lithofacies of the understudy formations from available well logs. For this purpose multi-resolution graph-based clustering (MRGC) technique which is a dot-pattern recognition method based on non-parametric K-nearest neighbor and graph data representation is applied on sonic, density, neutron porosity...

... achieved using the well logs directly. machine learning upstream oil & gas modeling well logging principal component spe 150776 facies multivariate analysis technique neutron porosity artificial intelligence node information core facies electrofacies petrophysical group...