CALIBRATING OLD, NEW LOGS TO CORES NEEDED FOR PLANNING CO2 FLOOD

Dennis W. Dull Texaco Exploration & Production Inc. Midland, Tex. As part of reservoir characterization and for calculating original oil-in-place, correcting porosity logs to core data was necessary to predict the effectiveness of CO2 injection into the Mabee field. Of the Mabee field's more than 800 logs, a majority are old gamma ray-neutron logs. The modern porosity logs were calibrated to core porosity by crossplotting log against core porosity. Linear regressions were constructed which

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