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The Theory of Quantitative Log Interpretation
The Practice of Quantitative Log Interpretation
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apparent resistivities recorded average bed of interest bed thickness borehole diameter calculated conductivity connate water contact logging devices current flow current focusing devices departure curves dependent Di/d Diagram Dimensionless dirty sand disseminated clay dolomite drilling muds elec Electrical Resistivity electrochemical potential Equation fluid formation factor graph H. G. Doll Halliburton high resistivity hole inches induction log interstitial water resistivity invaded zone ions Laterolog log data low resistivity measure MicroLaterolog mud activity mud cake mud filter cake mud filtrate invasion mud filtrate resistivity mud resistivity neutron log ohm-meters oil or gas oil-base mud permeable bed plotted quantity ratio resis resistiv resistivity index resistivity logs Rmf/Rw rock resistivity Rt/Rm S. P. curve S. P. deflection S. P. log saline salt concentration salt solution sand-line Schlumberger sedimentary rocks shale baseline sistivity sodium chloride spacing streaming potential tion tivity true resistivity virgin formation water saturation water-sands zone of filtrate