Oilfield Glossary
Oilfield Glossary
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coherence vector map

1. n. [Reservoir Characterization]
A map that displays the degree of correlation between wells as a vector that points from one well to another, the length of the vector being related to the degree of correlation from a correlogram. These maps are used in automatic correlation of well logs across a field and indicate where formations are continuous or are terminated. Reference: Poelchau HS: Coherence Mapping - An Automated Approach to Display Goodness-of-Correlation Between Wells in a Field, Mathematical Geology 19, no. 8 (1987): 833-850.