![]() ![]() The following content describes Kentucky’s QA-QC process, kindly shared by Brandon Nuttall and Liz Adams. Kentucky Geological Survey uses PETRA® and LAS Certify software, and Python scripts for the conversion. Some state geological surveys convert TIFF to LAS files for selected wells of interest to project investigations. LAS file size is smaller than TIFF, and provides ability to perform calculations, such as determining porosity and lithology, and use in other applications. Some geological surveys send log scans to private vendors convert the TIFF to LAS files, because the task is too labor intensive to be cost effective. ![]() Converting well logs from TIFF to Log ASCII Standard (LAS) formatted files is resource intensive, requiring knowledge about software and geological characteristics. Geophysical well logs in paper format are scanned, saved, and distributed in tagged image file format (TIFF). The borehole geophysical logging truck during field work (Public domain.)
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