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Figure 22A Dual Laterolog With Focused Flushed Zone Log Added Page
Sodium Chloride Solutions Separated by Membrane Page
66 other sections not shown
air or gas analysis BOREHOLE INCREASES caliper Caliper Log cement Compensated Neutron Log crossplot deep curve deep investigation curve Density Log depth column detectors determine DISTANCE FROM BOREHOLE dolomite drilling mud Dual Induction Dual Laterolog Electrical Log electrode Figure 73 flushed zone focused logs formation resistivity factor formation water resistivity fresh mud Gamma Ray Log gas effect grid Guard Log hydrocarbons hydrogen Induction Log instrument Interval number invaded zone invasion limestone lithology Log Figure Microlog microseconds Minilog mud cake thickness mud filtrate non-invaded zone ohm-meters OHMS oil or gas porosity log porosity values porous permeable formation porous spaces produce radioactive ratio reservoir resistivity curves RESISTIVITY INCREASES resistivity logs resistivity measurements Rmf/Rw rock type salty mud sample sandstone scale shale shaley sand shallow investigation curve shown in Figure solution Sonic Log SP curve Spontaneous Potential techniques temperature log track true resistivity uncased holes water saturation