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Oilfield Glossary
Oilfield Glossary
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depth matching

1. n. [Reservoir Characterization]
The practice of shifting depths of various data sets to a measurement that is known to be on depth. The general standard that is usually used is the first resistivity logs run, because those logs usually underwent the most rigorous depth control. Depth matching is usually applied to all wireline data, cores, borehole seismic data, and any other data taken in a well. Depth matching is a vital process in any well evaluation or any reservoir characterization exercise, so much so that, in its absence, accuracy and validity of the exercise must be questioned.