دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the recording of information about subsurface geologic formations, including records kept by the driller and records of mud and cutting analyses, core analysis, drill stem tests, and electric, acoustic, and radioactivity procedures. See acoustic log, core analysis, drillers log, drill stem test, electric well log, mud analysis, and radioactivity log.

n: Electric logs are run on a wire line to obtain information concerning the porosity,permeability,fluids content of the formations drilled and other information .The drilling-fluid characteristics may need to be altered to obtain good logs.