Weight Indicator
25 July 2017
Yield value
25 July 2017

Well logging

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, driller’s log, drill stem test, electric well log, mud analysis, and radioactivity log.