Upward continuation

Upward continuation is a method used in oil exploration and geophysics to estimate the values of a gravitational or magnetic field by using measurements at a lower elevation and extrapolating upward, assuming continuity. This technique is commonly used to merge different measurements to a common level so as to reduce scatter and allow for easier analysis.

• Upward Continuation in Schlumberger's Oilfield Glossary
• Downward Continuation in Schlumberger's Oilfield Glossary

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