... simulation machine learning reservoir characterisation artificial intelligence reservoir characterization antonio costa silva upstream oil & gas multiplier cggp geological modeling spe 58995 luis guerreiro variogram fracture numerical simulation model complex reservoir integrated...

... connectivity and spatial distribution, porosity associated to the rock, and vugs stochastic imaging. Porosity was obtained from computed tomography images, and calibrated with core data. From these images, exhaustive porosity variograms were obtained, showing a correlation range of about 20 millimeters...