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Oilfield Glossary
Oilfield Glossary
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1. n. [Geology]
The value of the separation between two adjacent contours. A net pay isopach map might have a contour interval of 10 feet [3 m], whereas a structure contour map might have a contour interval of 1000 feet [300 m]. Contour intervals are chosen according to the map scale and the amount and distribution of control points.
Alternate Form: contour interval