The accuracy of determining the effective layer density at gravity logging |
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Authors: | A V Efremova A A Bulychev |
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Abstract: | This paper discusses the basic kinds of uncertainties arising in gravity logging. It shows how the accuracy of density determination depends on accuracy in depth determinations, as well as in reference and routine surveying. Corrections to be used in borehole surveying are listed. Field results from gravity and gamma- gamma density logging are reported. |
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