... standar deviationsin gin cc response equation well logging neutron investigation Upstream Oil & Gas reservoirproperty application log analysis shale test example Symposium Trans loggingdata shaly sand equation Vsh self-consistent log interpretation method saturation...

... gin/cc in the hydrogen density of the oil (which is typical of the chemical analyses that were performed) can produce a & 1.0 p.u. change in the apparent porosity. The comparison for the thermal neutron detectors is less satisfactory, with the transport theory model seeming to underpredict...

... 72.@l 76.W 8 m DELTA t u%dFT FIGuRE 9 -11- SPWLA TWENTY-FOURTH ANNUAL LOGGING SYMPOSIUM, JUNE 27-30, 1983 ADJUSTMENTS MADE TO LOGS 3-5-52-8 W5 .02 gin/cc ADDED TO BULK DENSITY 1.20 POROSITY UNITS SUBTRACTED FROM THE NEUTRON LIMESTONE SCALE 13-20-52-8 W5 .08 gin/cc SUBTRACTED FROM BULK DENSITY 4-25-50...

... of the density log and of the accuracy of grain density estimates. machine learning Artificial Intelligence log analysis well logging shaly sandstone sandstone accuracy porosity deviation grain density gin cc clay mineral core porosity Neutron log standard error Upstream Oil & Gas...

... & Gas log analysis gin cc correction porosity calc Spwla Twentieth interpretation fracture vuggy porosity dolomite pyrite fraction limestone well logging gas effect Symposium Khuff Formation carbonate rock pyrite june 36 Computer Technique atma SPWLA TWENTIETH ANNUAL LOGGING...

... crossplots. Upstream Oil & Gas well logging log analysis shaly sandstone summation gin cc log porosity histogram Spwla Twentieth quality control sandstone core porosity overlay porosity grain density determination june 36 travel time density log correction Symposium standard...

..., interpretive and modeling) are identified and examples of each are presented. log analysis hole washout Spwla Eighteenth Reservoir Characterization modeling calibration Upstream Oil & Gas information well log editing editing gin cc interval travel time log editing Symposium resistivity...

... of Archie's water saturation equation requires an m value substantially greater than 2.0. Empirical studies lead to the Niagaran reef "variable m" exponent used in "Quick Sw" charts. log analysis south-central trend porosity well logging Spwla Eighteenth gin cc Michigan Laterolog carbonate...