1. n. [Geology]

A connection of points from well to well in which the data suggest that the points were deposited at the same time (chronostratigraphic) or have similar and related characteristics.

Alternate Form: correlate

See: chronostratigraphy,  geomagnetic polarity reversal,  paleontology,  sequence,  sequence stratigraphy

2. n. [Geophysics]

The comparison of seismic waveforms in the time domain, similar to coherence in the frequency domain.

See: autocorrelation,  check-shot survey,  crosscorrelation,  frequency domain,  pick,  polarity,  tie,  time domain,  two-dimensional survey,  waveform

3. n. [Reservoir Characterization]

A positive relationship between data samples that implies a connection or a relationship between them.