borehole seismic data | Energy Glossary

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borehole seismic data

1. n. [Geophysics]

Seismic data measured with receivers, sources or both in a well, such as a check-shot survey, vertical seismic profile (VSP), crosswell seismic data, or single-well imaging. By directly measuring the acoustic velocity of each formation encountered in a well, the well logs and borehole seismic data can be correlated to surface seismic data more easily. Borehole seismic data, including both S-waves and P-waves, can be gathered in a cased or openhole. This term is commonly used to distinguish between borehole sonic data (with frequencies typically greater than 1,000 Hz) and borehole seismic data (with frequencies typically less than 1,000 Hz).

See: hodogramlogP-wavequicklookradial refractionS-wave