1) Oil field investigation 2) Petroleum production
Found on
https://www.crosswordclues.com/clue/well-logging
Well logging, also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole. The log may be based either on visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs). Som...
Found on
http://en.wikipedia.org/wiki/Well_logging
field technique used in mineral exploration to analyze the geologic formations penetrated by a drill hole. If the hole has been drilled by using ... [2 related articles]
Found on
http://www.britannica.com/eb/a-z/w/21
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 well logging. ...
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http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.
