Well logging in groundwater development Vol. 9, 1989

1. Introduction. 2. General remarks. 2.1 Technical comments. 2.2 Designations of methods and their posibble applications. 3. The tables Explanations to table 1. 3.1 Table 1:The most important methods and their possible applications. 3.2 Table 2: Functions of the methods. 3.3 Table 3: Grouping of methods of measurement. 4. The methods of measurement. 4.1 Measurement of the natural gamma radiations:Gamma Ray,GR. 4.2 Measurement of rock density: Density,D,FD. 4.3 Measurement of the sonic velocity in rock: Sonic log,Akustiklog,SV. 4..Assessment of the porosity-sensitive methods cement bond log.CBL. 4.6 Measurement of rock resistivity in multiple point array;Electric log ES,EL. 4.7 Measurement of the electric self potential;self potential,SP. 4.8 Measurement of resistivity in focused array; Focused electric log,laterolog,FEL,LL. 4.9 Measurement of rock conductivity (focused induction method);induction Log,IES,IEL. 4.9.8 Principles of the resistivity methods technical realization of resistivity measurements. 4.9.9 Fields of application of resistivity methods. 4.10 Measurement of resistivity in the borehole vicinity ; Microlog,microlaterolog, ML,MLL. 4.11 Measurement of resistivity in the borehole fluid (water or mud); salinometer,SAL. 4.12 Measurement of the temperature of the borehole fluid (water or mud); Temperature, TEMP. 4.13 Measurement of the borehole or casing diameter; Caliper,CAL. 4.14 Casing collar locator in steel casing; Casing collar locator,CCL. 4.15 Measurement of the vertical fluidsflow in boreholes or wells; Flowmeter, FLOW. 4.16 Measurement of the borehole deviation from the vertical: Deviation,DV. 4.17 Measurement of the strike and dip of the rock layers:Dipmeter,DIP. 4.18 Sampling (water or mud);Sampler tool SAMP. 4.19 Optical investigations: Borehole camera,TV camera,OPT. 5. Quantitative interpretation of borehole logs. 5.1 Principles of calcuting the clay and shale content. 5.2 Principles of calcuting porosity. 5.3 Determination of pore water salinity. 5.4 Appoarch to hydraulic conductivity. 6. Some presentations regrading basic principles of some of the methods. 6.1 Borehole correction and calibration with Gamma Ray measurement. 6.2 General information on the multiple point resistivity method in boreholes. 6.3 FEL measurement principles. 7. Log quality control. 8. Conversation tables. 9. Explanation to the log samples. 10. References;concluding remarks.

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