div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: piotrhadroweeblycom · According to the Schlumberger oilfield glossary well log is the measurement of the certain physical quantities versus depth or time in or around the well src=https:reader033fdocumentsinreader033viewer20220422135eb65bcc9289df53da7d36a1html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv