The Fundamentals of Electric Log Interpretation |
Contents
The Practice of Quantitative Log Interpretation | 26 |
ix | 107 |
26 | 119 |
Copyright | |
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acoustic activity actual apparent applicable average borehole clay conductivity constant contact logging containing conventional correction corresponding deflection departure curves depends depth determination Diagram diameter dirty sand discussed drilling effect electric log electrode engineer Ensure Equation estimate example fact feet Figure filter cake filtrate invasion flow formation factor give given graph greater hole important inches induction log interest interstitial water invaded zone known Laterolog less log interpretation logging devices means measured method MicroLaterolog mud filtrate neutron log noted obtained ohm-meters oil or gas oil sands particularly permeable plotted points pores porosity possible potential practice present probably quantity ratio recorded relationship result rock S. P. curve S. P. log salinity salt sandstone saturation scale shale shown shows sistivity solution spacing temperature thickness tion true resistivity two-electrode velocity virgin