Geostatistical Modelling of Petrophysical Data of Oil Fields in the Northern Croatia

P611 GEOSTATISTICAL MODELLING OF PETROPHYSICAL DATA OF OIL FIELDS IN THE NORTHERN CROATIA Z. HERNITZ 1 N. BOKOR 2 and T. MALVIC 1 by faults (FIGURE 2). EAGE 63rd Conference & Technical Exhibition — Amsterdam The Netherlands 11 - 15 June 2001 1 1 Faculty of Mining Geology and Petroleum Engineering Pierottijeva 6 10000 Zagreb Croatia 2 INA- Industry of Oil Inc. INTRODUCTION The input parameters were porosity and permeability. They were analyzed through the semivariogram analysis as a suitable geostatistical tool for the presentation of regionalized variables. The aim of the exploration was to learn the regularities or irregularities