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Petrophysics 40 (01).
Paper Number: SPWLA-1999-v40n1a3
Published: 01 January 1999
... is the calculated density, F the free-air gradient, Az the vertical separation between two adjacent measurement stations, Ag the difference in gravity readings, and G the universal gravitational constant. Equation (1) has been given for the infinite uniform horizontal slab model in the seminal papers of borehole...
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