Oilfield Glossary
Oilfield Glossary
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square log

1. n. [Formation Evaluation]
A log in which the changes in reading with depth only occur abruptly, with no transition. A square log is often an approximation of a real log, in which the continuously varying input log has been approximated by constant values and abrupt changes. A square log contains less data than a real log but can be useful for further processing.